1# <pre> 2# This file is in the public domain, so clarified as of 3# 2009-05-17 by Arthur David Olson. 4 5# This data is by no means authoritative; if you think you know better, 6# go ahead and edit the file (and please send any changes to 7# tz@iana.org for general use in the future). 8 9# From Paul Eggert (2006-03-22): 10# A good source for time zone historical data outside the U.S. is 11# Thomas G. Shanks and Rique Pottenger, The International Atlas (6th edition), 12# San Diego: ACS Publications, Inc. (2003). 13# 14# Gwillim Law writes that a good source 15# for recent time zone data is the International Air Transport 16# Association's Standard Schedules Information Manual (IATA SSIM), 17# published semiannually. Law sent in several helpful summaries 18# of the IATA's data after 1990. 19# 20# Except where otherwise noted, Shanks & Pottenger is the source for 21# entries through 1991, and IATA SSIM is the source for entries afterwards. 22# 23# Other sources occasionally used include: 24# 25# Edward W. Whitman, World Time Differences, 26# Whitman Publishing Co, 2 Niagara Av, Ealing, London (undated), 27# which I found in the UCLA library. 28# 29# <a href="http://www.pettswoodvillage.co.uk/Daylight_Savings_William_Willett.pdf"> 30# William Willett, The Waste of Daylight, 19th edition 31# </a> (1914-03) 32# 33# Milne J. Civil time. Geogr J. 1899 Feb;13(2):173-94 34# <http://www.jstor.org/stable/1774359>. He writes: 35# "It is requested that corrections and additions to these tables 36# may be sent to Mr. John Milne, Royal Geographical Society, 37# Savile Row, London." Nowadays please email them to tz@iana.org. 38# 39# Brazil's Departamento Servico da Hora (DSH), 40# <a href="http://pcdsh01.on.br/HISTHV.htm"> 41# History of Summer Time 42# </a> (1998-09-21, in Portuguese) 43 44# 45# I invented the abbreviations marked `*' in the following table; 46# the rest are from earlier versions of this file, or from other sources. 47# Corrections are welcome! 48# std dst 2dst 49# LMT Local Mean Time 50# -4:00 AST ADT Atlantic 51# -3:00 WGT WGST Western Greenland* 52# -1:00 EGT EGST Eastern Greenland* 53# 0:00 GMT BST BDST Greenwich, British Summer 54# 0:00 GMT IST Greenwich, Irish Summer 55# 0:00 WET WEST WEMT Western Europe 56# 0:19:32.13 AMT NST Amsterdam, Netherlands Summer (1835-1937)* 57# 0:20 NET NEST Netherlands (1937-1940)* 58# 1:00 CET CEST CEMT Central Europe 59# 1:00:14 SET Swedish (1879-1899)* 60# 2:00 EET EEST Eastern Europe 61# 3:00 MSK MSD Moscow 62# 63# A reliable and entertaining source about time zones, especially in Britain, 64# Derek Howse, Greenwich time and longitude, Philip Wilson Publishers (1997). 65 66# From Peter Ilieve (1994-12-04), 67# The original six [EU members]: Belgium, France, (West) Germany, Italy, 68# Luxembourg, the Netherlands. 69# Plus, from 1 Jan 73: Denmark, Ireland, United Kingdom. 70# Plus, from 1 Jan 81: Greece. 71# Plus, from 1 Jan 86: Spain, Portugal. 72# Plus, from 1 Jan 95: Austria, Finland, Sweden. (Norway negotiated terms for 73# entry but in a referendum on 28 Nov 94 the people voted No by 52.2% to 47.8% 74# on a turnout of 88.6%. This was almost the same result as Norway's previous 75# referendum in 1972, they are the only country to have said No twice. 76# Referendums in the other three countries voted Yes.) 77# ... 78# Estonia ... uses EU dates but not at 01:00 GMT, they use midnight GMT. 79# I don't think they know yet what they will do from 1996 onwards. 80# ... 81# There shouldn't be any [current members who are not using EU rules]. 82# A Directive has the force of law, member states are obliged to enact 83# national law to implement it. The only contentious issue was the 84# different end date for the UK and Ireland, and this was always allowed 85# in the Directive. 86 87 88############################################################################### 89 90# Britain (United Kingdom) and Ireland (Eire) 91 92# From Peter Ilieve (1994-07-06): 93# 94# On 17 Jan 1994 the Independent, a UK quality newspaper, had a piece about 95# historical vistas along the Thames in west London. There was a photo 96# and a sketch map showing some of the sightlines involved. One paragraph 97# of the text said: 98# 99# `An old stone obelisk marking a forgotten terrestrial meridian stands 100# beside the river at Kew. In the 18th century, before time and longitude 101# was standardised by the Royal Observatory in Greenwich, scholars observed 102# this stone and the movement of stars from Kew Observatory nearby. They 103# made their calculations and set the time for the Horse Guards and Parliament, 104# but now the stone is obscured by scrubwood and can only be seen by walking 105# along the towpath within a few yards of it.' 106# 107# I have a one inch to one mile map of London and my estimate of the stone's 108# position is 51 deg. 28' 30" N, 0 deg. 18' 45" W. The longitude should 109# be within about +-2". The Ordnance Survey grid reference is TQ172761. 110# 111# [This yields GMTOFF = -0:01:15 for London LMT in the 18th century.] 112 113# From Paul Eggert (1993-11-18): 114# 115# Howse writes that Britain was the first country to use standard time. 116# The railways cared most about the inconsistencies of local mean time, 117# and it was they who forced a uniform time on the country. 118# The original idea was credited to Dr. William Hyde Wollaston (1766-1828) 119# and was popularized by Abraham Follett Osler (1808-1903). 120# The first railway to adopt London time was the Great Western Railway 121# in November 1840; other railways followed suit, and by 1847 most 122# (though not all) railways used London time. On 1847-09-22 the 123# Railway Clearing House, an industry standards body, recommended that GMT be 124# adopted at all stations as soon as the General Post Office permitted it. 125# The transition occurred on 12-01 for the L&NW, the Caledonian, 126# and presumably other railways; the January 1848 Bradshaw's lists many 127# railways as using GMT. By 1855 the vast majority of public 128# clocks in Britain were set to GMT (though some, like the great clock 129# on Tom Tower at Christ Church, Oxford, were fitted with two minute hands, 130# one for local time and one for GMT). The last major holdout was the legal 131# system, which stubbornly stuck to local time for many years, leading 132# to oddities like polls opening at 08:13 and closing at 16:13. 133# The legal system finally switched to GMT when the Statutes (Definition 134# of Time) Act took effect; it received the Royal Assent on 1880-08-02. 135# 136# In the tables below, we condense this complicated story into a single 137# transition date for London, namely 1847-12-01. We don't know as much 138# about Dublin, so we use 1880-08-02, the legal transition time. 139 140# From Paul Eggert (2003-09-27): 141# Summer Time was first seriously proposed by William Willett (1857-1915), 142# a London builder and member of the Royal Astronomical Society 143# who circulated a pamphlet ``The Waste of Daylight'' (1907) 144# that proposed advancing clocks 20 minutes on each of four Sundays in April, 145# and retarding them by the same amount on four Sundays in September. 146# A bill was drafted in 1909 and introduced in Parliament several times, 147# but it met with ridicule and opposition, especially from farming interests. 148# Later editions of the pamphlet proposed one-hour summer time, and 149# it was eventually adopted as a wartime measure in 1916. 150# See: Summer Time Arrives Early, The Times (2000-05-18). 151# A monument to Willett was unveiled on 1927-05-21, in an open space in 152# a 45-acre wood near Chislehurst, Kent that was purchased by popular 153# subscription and open to the public. On the south face of the monolith, 154# designed by G. W. Miller, is the...William Willett Memorial Sundial, 155# which is permanently set to Summer Time. 156 157# From Winston Churchill (1934-04-28): 158# It is one of the paradoxes of history that we should owe the boon of 159# summer time, which gives every year to the people of this country 160# between 160 and 170 hours more daylight leisure, to a war which 161# plunged Europe into darkness for four years, and shook the 162# foundations of civilization throughout the world. 163# -- <a href="http://www.winstonchurchill.org/fh114willett.htm"> 164# "A Silent Toast to William Willett", Pictorial Weekly 165# </a> 166 167# From Paul Eggert (1996-09-03): 168# The OED Supplement says that the English originally said ``Daylight Saving'' 169# when they were debating the adoption of DST in 1908; but by 1916 this 170# term appears only in quotes taken from DST's opponents, whereas the 171# proponents (who eventually won the argument) are quoted as using ``Summer''. 172 173# From Arthur David Olson (1989-01-19): 174# 175# A source at the British Information Office in New York avers that it's 176# known as "British" Summer Time in all parts of the United Kingdom. 177 178# Date: 4 Jan 89 08:57:25 GMT (Wed) 179# From: Jonathan Leffler 180# [British Summer Time] is fixed annually by Act of Parliament. 181# If you can predict what Parliament will do, you should be in 182# politics making a fortune, not computing. 183 184# From Chris Carrier (1996-06-14): 185# I remember reading in various wartime issues of the London Times the 186# acronym BDST for British Double Summer Time. Look for the published 187# time of sunrise and sunset in The Times, when BDST was in effect, and 188# if you find a zone reference it will say, "All times B.D.S.T." 189 190# From Joseph S. Myers (1999-09-02): 191# ... some military cables (WO 219/4100 - this is a copy from the 192# main SHAEF archives held in the US National Archives, SHAEF/5252/8/516) 193# agree that the usage is BDST (this appears in a message dated 17 Feb 1945). 194 195# From Joseph S. Myers (2000-10-03): 196# On 18th April 1941, Sir Stephen Tallents of the BBC wrote to Sir 197# Alexander Maxwell of the Home Office asking whether there was any 198# official designation; the reply of the 21st was that there wasn't 199# but he couldn't think of anything better than the "Double British 200# Summer Time" that the BBC had been using informally. 201# http://student.cusu.cam.ac.uk/~jsm28/british-time/bbc-19410418.png 202# http://student.cusu.cam.ac.uk/~jsm28/british-time/ho-19410421.png 203 204# From Sir Alexander Maxwell in the above-mentioned letter (1941-04-21): 205# [N]o official designation has as far as I know been adopted for the time 206# which is to be introduced in May.... 207# I cannot think of anything better than "Double British Summer Time" 208# which could not be said to run counter to any official description. 209 210# From Paul Eggert (2000-10-02): 211# Howse writes (p 157) `DBST' too, but `BDST' seems to have been common 212# and follows the more usual convention of putting the location name first, 213# so we use `BDST'. 214 215# Peter Ilieve (1998-04-19) described at length 216# the history of summer time legislation in the United Kingdom. 217# Since 1998 Joseph S. Myers has been updating 218# and extending this list, which can be found in 219# http://student.cusu.cam.ac.uk/~jsm28/british-time/ 220# <a href="http://www.polyomino.org.uk/british-time/"> 221# History of legal time in Britain 222# </a> 223# Rob Crowther (2012-01-04) reports that that URL no longer 224# exists, and the article can now be found at: 225# <a href="http://www.polyomino.org.uk/british-time/"> 226# http://www.polyomino.org.uk/british-time/ 227# </a> 228 229# From Joseph S. Myers (1998-01-06): 230# 231# The legal time in the UK outside of summer time is definitely GMT, not UTC; 232# see Lord Tanlaw's speech 233# <a href="http://www.parliament.the-stationery-office.co.uk/pa/ld199697/ldhansrd/pdvn/lds97/text/70611-20.htm#70611-20_head0"> 234# (Lords Hansard 11 June 1997 columns 964 to 976) 235# </a>. 236 237# From Paul Eggert (2006-03-22): 238# 239# For lack of other data, follow Shanks & Pottenger for Eire in 1940-1948. 240# 241# Given Ilieve and Myers's data, the following claims by Shanks & Pottenger 242# are incorrect: 243# * Wales did not switch from GMT to daylight saving time until 244# 1921 Apr 3, when they began to conform with the rest of Great Britain. 245# Actually, Wales was identical after 1880. 246# * Eire had two transitions on 1916 Oct 1. 247# It actually just had one transition. 248# * Northern Ireland used single daylight saving time throughout WW II. 249# Actually, it conformed to Britain. 250# * GB-Eire changed standard time to 1 hour ahead of GMT on 1968-02-18. 251# Actually, that date saw the usual switch to summer time. 252# Standard time was not changed until 1968-10-27 (the clocks didn't change). 253# 254# Here is another incorrect claim by Shanks & Pottenger: 255# * Jersey, Guernsey, and the Isle of Man did not switch from GMT 256# to daylight saving time until 1921 Apr 3, when they began to 257# conform with Great Britain. 258# S.R.&O. 1916, No. 382 and HO 45/10811/312364 (quoted above) say otherwise. 259# 260# The following claim by Shanks & Pottenger is possible though doubtful; 261# we'll ignore it for now. 262# * Dublin's 1971-10-31 switch was at 02:00, even though London's was 03:00. 263# 264# 265# Whitman says Dublin Mean Time was -0:25:21, which is more precise than 266# Shanks & Pottenger. 267# Perhaps this was Dunsink Observatory Time, as Dunsink Observatory 268# (8 km NW of Dublin's center) seemingly was to Dublin as Greenwich was 269# to London. For example: 270# 271# "Timeball on the ballast office is down. Dunsink time." 272# -- James Joyce, Ulysses 273 274# From Joseph S. Myers (2005-01-26): 275# Irish laws are available online at www.irishstatutebook.ie. These include 276# various relating to legal time, for example: 277# 278# ZZA13Y1923.html ZZA12Y1924.html ZZA8Y1925.html ZZSIV20PG1267.html 279# 280# ZZSI71Y1947.html ZZSI128Y1948.html ZZSI23Y1949.html ZZSI41Y1950.html 281# ZZSI27Y1951.html ZZSI73Y1952.html 282# 283# ZZSI11Y1961.html ZZSI232Y1961.html ZZSI182Y1962.html 284# ZZSI167Y1963.html ZZSI257Y1964.html ZZSI198Y1967.html 285# ZZA23Y1968.html ZZA17Y1971.html 286# 287# ZZSI67Y1981.html ZZSI212Y1982.html ZZSI45Y1986.html 288# ZZSI264Y1988.html ZZSI52Y1990.html ZZSI371Y1992.html 289# ZZSI395Y1994.html ZZSI484Y1997.html ZZSI506Y2001.html 290# 291# [These are all relative to the root, e.g., the first is 292# <http://www.irishstatutebook.ie/ZZA13Y1923.html>.] 293# 294# (These are those I found, but there could be more. In any case these 295# should allow various updates to the comments in the europe file to cover 296# the laws applicable in Ireland.) 297# 298# (Note that the time in the Republic of Ireland since 1968 has been defined 299# in terms of standard time being GMT+1 with a period of winter time when it 300# is GMT, rather than standard time being GMT with a period of summer time 301# being GMT+1.) 302 303# From Paul Eggert (1999-03-28): 304# Clive Feather (<news:859845706.26043.0@office.demon.net>, 1997-03-31) 305# reports that Folkestone (Cheriton) Shuttle Terminal uses Concession Time 306# (CT), equivalent to French civil time. 307# Julian Hill (<news:36118128.5A14@virgin.net>, 1998-09-30) reports that 308# trains between Dollands Moor (the freight facility next door) 309# and Frethun run in CT. 310# My admittedly uninformed guess is that the terminal has two authorities, 311# the French concession operators and the British civil authorities, 312# and that the time depends on who you're talking to. 313# If, say, the British police were called to the station for some reason, 314# I would expect the official police report to use GMT/BST and not CET/CEST. 315# This is a borderline case, but for now let's stick to GMT/BST. 316 317# From an anonymous contributor (1996-06-02): 318# The law governing time in Ireland is under Statutory Instrument SI 395/94, 319# which gives force to European Union 7th Council Directive # 94/21/EC. 320# Under this directive, the Minister for Justice in Ireland makes appropriate 321# regulations. I spoke this morning with the Secretary of the Department of 322# Justice (tel +353 1 678 9711) who confirmed to me that the correct name is 323# "Irish Summer Time", abbreviated to "IST". 324 325# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 326# Summer Time Act, 1916 327Rule GB-Eire 1916 only - May 21 2:00s 1:00 BST 328Rule GB-Eire 1916 only - Oct 1 2:00s 0 GMT 329# S.R.&O. 1917, No. 358 330Rule GB-Eire 1917 only - Apr 8 2:00s 1:00 BST 331Rule GB-Eire 1917 only - Sep 17 2:00s 0 GMT 332# S.R.&O. 1918, No. 274 333Rule GB-Eire 1918 only - Mar 24 2:00s 1:00 BST 334Rule GB-Eire 1918 only - Sep 30 2:00s 0 GMT 335# S.R.&O. 1919, No. 297 336Rule GB-Eire 1919 only - Mar 30 2:00s 1:00 BST 337Rule GB-Eire 1919 only - Sep 29 2:00s 0 GMT 338# S.R.&O. 1920, No. 458 339Rule GB-Eire 1920 only - Mar 28 2:00s 1:00 BST 340# S.R.&O. 1920, No. 1844 341Rule GB-Eire 1920 only - Oct 25 2:00s 0 GMT 342# S.R.&O. 1921, No. 363 343Rule GB-Eire 1921 only - Apr 3 2:00s 1:00 BST 344Rule GB-Eire 1921 only - Oct 3 2:00s 0 GMT 345# S.R.&O. 1922, No. 264 346Rule GB-Eire 1922 only - Mar 26 2:00s 1:00 BST 347Rule GB-Eire 1922 only - Oct 8 2:00s 0 GMT 348# The Summer Time Act, 1922 349Rule GB-Eire 1923 only - Apr Sun>=16 2:00s 1:00 BST 350Rule GB-Eire 1923 1924 - Sep Sun>=16 2:00s 0 GMT 351Rule GB-Eire 1924 only - Apr Sun>=9 2:00s 1:00 BST 352Rule GB-Eire 1925 1926 - Apr Sun>=16 2:00s 1:00 BST 353# The Summer Time Act, 1925 354Rule GB-Eire 1925 1938 - Oct Sun>=2 2:00s 0 GMT 355Rule GB-Eire 1927 only - Apr Sun>=9 2:00s 1:00 BST 356Rule GB-Eire 1928 1929 - Apr Sun>=16 2:00s 1:00 BST 357Rule GB-Eire 1930 only - Apr Sun>=9 2:00s 1:00 BST 358Rule GB-Eire 1931 1932 - Apr Sun>=16 2:00s 1:00 BST 359Rule GB-Eire 1933 only - Apr Sun>=9 2:00s 1:00 BST 360Rule GB-Eire 1934 only - Apr Sun>=16 2:00s 1:00 BST 361Rule GB-Eire 1935 only - Apr Sun>=9 2:00s 1:00 BST 362Rule GB-Eire 1936 1937 - Apr Sun>=16 2:00s 1:00 BST 363Rule GB-Eire 1938 only - Apr Sun>=9 2:00s 1:00 BST 364Rule GB-Eire 1939 only - Apr Sun>=16 2:00s 1:00 BST 365# S.R.&O. 1939, No. 1379 366Rule GB-Eire 1939 only - Nov Sun>=16 2:00s 0 GMT 367# S.R.&O. 1940, No. 172 and No. 1883 368Rule GB-Eire 1940 only - Feb Sun>=23 2:00s 1:00 BST 369# S.R.&O. 1941, No. 476 370Rule GB-Eire 1941 only - May Sun>=2 1:00s 2:00 BDST 371Rule GB-Eire 1941 1943 - Aug Sun>=9 1:00s 1:00 BST 372# S.R.&O. 1942, No. 506 373Rule GB-Eire 1942 1944 - Apr Sun>=2 1:00s 2:00 BDST 374# S.R.&O. 1944, No. 932 375Rule GB-Eire 1944 only - Sep Sun>=16 1:00s 1:00 BST 376# S.R.&O. 1945, No. 312 377Rule GB-Eire 1945 only - Apr Mon>=2 1:00s 2:00 BDST 378Rule GB-Eire 1945 only - Jul Sun>=9 1:00s 1:00 BST 379# S.R.&O. 1945, No. 1208 380Rule GB-Eire 1945 1946 - Oct Sun>=2 2:00s 0 GMT 381Rule GB-Eire 1946 only - Apr Sun>=9 2:00s 1:00 BST 382# The Summer Time Act, 1947 383Rule GB-Eire 1947 only - Mar 16 2:00s 1:00 BST 384Rule GB-Eire 1947 only - Apr 13 1:00s 2:00 BDST 385Rule GB-Eire 1947 only - Aug 10 1:00s 1:00 BST 386Rule GB-Eire 1947 only - Nov 2 2:00s 0 GMT 387# Summer Time Order, 1948 (S.I. 1948/495) 388Rule GB-Eire 1948 only - Mar 14 2:00s 1:00 BST 389Rule GB-Eire 1948 only - Oct 31 2:00s 0 GMT 390# Summer Time Order, 1949 (S.I. 1949/373) 391Rule GB-Eire 1949 only - Apr 3 2:00s 1:00 BST 392Rule GB-Eire 1949 only - Oct 30 2:00s 0 GMT 393# Summer Time Order, 1950 (S.I. 1950/518) 394# Summer Time Order, 1951 (S.I. 1951/430) 395# Summer Time Order, 1952 (S.I. 1952/451) 396Rule GB-Eire 1950 1952 - Apr Sun>=14 2:00s 1:00 BST 397Rule GB-Eire 1950 1952 - Oct Sun>=21 2:00s 0 GMT 398# revert to the rules of the Summer Time Act, 1925 399Rule GB-Eire 1953 only - Apr Sun>=16 2:00s 1:00 BST 400Rule GB-Eire 1953 1960 - Oct Sun>=2 2:00s 0 GMT 401Rule GB-Eire 1954 only - Apr Sun>=9 2:00s 1:00 BST 402Rule GB-Eire 1955 1956 - Apr Sun>=16 2:00s 1:00 BST 403Rule GB-Eire 1957 only - Apr Sun>=9 2:00s 1:00 BST 404Rule GB-Eire 1958 1959 - Apr Sun>=16 2:00s 1:00 BST 405Rule GB-Eire 1960 only - Apr Sun>=9 2:00s 1:00 BST 406# Summer Time Order, 1961 (S.I. 1961/71) 407# Summer Time (1962) Order, 1961 (S.I. 1961/2465) 408# Summer Time Order, 1963 (S.I. 1963/81) 409Rule GB-Eire 1961 1963 - Mar lastSun 2:00s 1:00 BST 410Rule GB-Eire 1961 1968 - Oct Sun>=23 2:00s 0 GMT 411# Summer Time (1964) Order, 1963 (S.I. 1963/2101) 412# Summer Time Order, 1964 (S.I. 1964/1201) 413# Summer Time Order, 1967 (S.I. 1967/1148) 414Rule GB-Eire 1964 1967 - Mar Sun>=19 2:00s 1:00 BST 415# Summer Time Order, 1968 (S.I. 1968/117) 416Rule GB-Eire 1968 only - Feb 18 2:00s 1:00 BST 417# The British Standard Time Act, 1968 418# (no summer time) 419# The Summer Time Act, 1972 420Rule GB-Eire 1972 1980 - Mar Sun>=16 2:00s 1:00 BST 421Rule GB-Eire 1972 1980 - Oct Sun>=23 2:00s 0 GMT 422# Summer Time Order, 1980 (S.I. 1980/1089) 423# Summer Time Order, 1982 (S.I. 1982/1673) 424# Summer Time Order, 1986 (S.I. 1986/223) 425# Summer Time Order, 1988 (S.I. 1988/931) 426Rule GB-Eire 1981 1995 - Mar lastSun 1:00u 1:00 BST 427Rule GB-Eire 1981 1989 - Oct Sun>=23 1:00u 0 GMT 428# Summer Time Order, 1989 (S.I. 1989/985) 429# Summer Time Order, 1992 (S.I. 1992/1729) 430# Summer Time Order 1994 (S.I. 1994/2798) 431Rule GB-Eire 1990 1995 - Oct Sun>=22 1:00u 0 GMT 432# Summer Time Order 1997 (S.I. 1997/2982) 433# See EU for rules starting in 1996. 434 435# Zone NAME GMTOFF RULES FORMAT [UNTIL] 436Zone Europe/London -0:01:15 - LMT 1847 Dec 1 0:00s 437 0:00 GB-Eire %s 1968 Oct 27 438 1:00 - BST 1971 Oct 31 2:00u 439 0:00 GB-Eire %s 1996 440 0:00 EU GMT/BST 441Link Europe/London Europe/Jersey 442Link Europe/London Europe/Guernsey 443Link Europe/London Europe/Isle_of_Man 444Zone Europe/Dublin -0:25:00 - LMT 1880 Aug 2 445 -0:25:21 - DMT 1916 May 21 2:00 446 -0:25:21 1:00 IST 1916 Oct 1 2:00s 447 0:00 GB-Eire %s 1921 Dec 6 # independence 448 0:00 GB-Eire GMT/IST 1940 Feb 25 2:00 449 0:00 1:00 IST 1946 Oct 6 2:00 450 0:00 - GMT 1947 Mar 16 2:00 451 0:00 1:00 IST 1947 Nov 2 2:00 452 0:00 - GMT 1948 Apr 18 2:00 453 0:00 GB-Eire GMT/IST 1968 Oct 27 454 1:00 - IST 1971 Oct 31 2:00u 455 0:00 GB-Eire GMT/IST 1996 456 0:00 EU GMT/IST 457 458############################################################################### 459 460# Europe 461 462# EU rules are for the European Union, previously known as the EC, EEC, 463# Common Market, etc. 464 465# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 466Rule EU 1977 1980 - Apr Sun>=1 1:00u 1:00 S 467Rule EU 1977 only - Sep lastSun 1:00u 0 - 468Rule EU 1978 only - Oct 1 1:00u 0 - 469Rule EU 1979 1995 - Sep lastSun 1:00u 0 - 470Rule EU 1981 max - Mar lastSun 1:00u 1:00 S 471Rule EU 1996 max - Oct lastSun 1:00u 0 - 472# The most recent directive covers the years starting in 2002. See: 473# <a="http://eur-lex.europa.eu/LexUriServ/LexUriServ.do?uri=CELEX:32000L0084:EN:NOT"> 474# Directive 2000/84/EC of the European Parliament and of the Council 475# of 19 January 2001 on summer-time arrangements. 476# </a> 477 478# W-Eur differs from EU only in that W-Eur uses standard time. 479Rule W-Eur 1977 1980 - Apr Sun>=1 1:00s 1:00 S 480Rule W-Eur 1977 only - Sep lastSun 1:00s 0 - 481Rule W-Eur 1978 only - Oct 1 1:00s 0 - 482Rule W-Eur 1979 1995 - Sep lastSun 1:00s 0 - 483Rule W-Eur 1981 max - Mar lastSun 1:00s 1:00 S 484Rule W-Eur 1996 max - Oct lastSun 1:00s 0 - 485 486# Older C-Eur rules are for convenience in the tables. 487# From 1977 on, C-Eur differs from EU only in that C-Eur uses standard time. 488Rule C-Eur 1916 only - Apr 30 23:00 1:00 S 489Rule C-Eur 1916 only - Oct 1 1:00 0 - 490Rule C-Eur 1917 1918 - Apr Mon>=15 2:00s 1:00 S 491Rule C-Eur 1917 1918 - Sep Mon>=15 2:00s 0 - 492Rule C-Eur 1940 only - Apr 1 2:00s 1:00 S 493Rule C-Eur 1942 only - Nov 2 2:00s 0 - 494Rule C-Eur 1943 only - Mar 29 2:00s 1:00 S 495Rule C-Eur 1943 only - Oct 4 2:00s 0 - 496Rule C-Eur 1944 1945 - Apr Mon>=1 2:00s 1:00 S 497# Whitman gives 1944 Oct 7; go with Shanks & Pottenger. 498Rule C-Eur 1944 only - Oct 2 2:00s 0 - 499# From Jesper Norgaard Welen (2008-07-13): 500# 501# I found what is probably a typo of 2:00 which should perhaps be 2:00s 502# in the C-Eur rule from tz database version 2008d (this part was 503# corrected in version 2008d). The circumstancial evidence is simply the 504# tz database itself, as seen below: 505# 506# Zone Europe/Paris 0:09:21 - LMT 1891 Mar 15 0:01 507# 0:00 France WE%sT 1945 Sep 16 3:00 508# 509# Zone Europe/Monaco 0:29:32 - LMT 1891 Mar 15 510# 0:00 France WE%sT 1945 Sep 16 3:00 511# 512# Zone Europe/Belgrade 1:22:00 - LMT 1884 513# 1:00 1:00 CEST 1945 Sep 16 2:00s 514# 515# Rule France 1945 only - Sep 16 3:00 0 - 516# Rule Belgium 1945 only - Sep 16 2:00s 0 - 517# Rule Neth 1945 only - Sep 16 2:00s 0 - 518# 519# The rule line to be changed is: 520# 521# Rule C-Eur 1945 only - Sep 16 2:00 0 - 522# 523# It seems that Paris, Monaco, Rule France, Rule Belgium all agree on 524# 2:00 standard time, e.g. 3:00 local time. However there are no 525# countries that use C-Eur rules in September 1945, so the only items 526# affected are apparently these ficticious zones that translates acronyms 527# CET and MET: 528# 529# Zone CET 1:00 C-Eur CE%sT 530# Zone MET 1:00 C-Eur ME%sT 531# 532# It this is right then the corrected version would look like: 533# 534# Rule C-Eur 1945 only - Sep 16 2:00s 0 - 535# 536# A small step for mankind though 8-) 537Rule C-Eur 1945 only - Sep 16 2:00s 0 - 538Rule C-Eur 1977 1980 - Apr Sun>=1 2:00s 1:00 S 539Rule C-Eur 1977 only - Sep lastSun 2:00s 0 - 540Rule C-Eur 1978 only - Oct 1 2:00s 0 - 541Rule C-Eur 1979 1995 - Sep lastSun 2:00s 0 - 542Rule C-Eur 1981 max - Mar lastSun 2:00s 1:00 S 543Rule C-Eur 1996 max - Oct lastSun 2:00s 0 - 544 545# E-Eur differs from EU only in that E-Eur switches at midnight local time. 546Rule E-Eur 1977 1980 - Apr Sun>=1 0:00 1:00 S 547Rule E-Eur 1977 only - Sep lastSun 0:00 0 - 548Rule E-Eur 1978 only - Oct 1 0:00 0 - 549Rule E-Eur 1979 1995 - Sep lastSun 0:00 0 - 550Rule E-Eur 1981 max - Mar lastSun 0:00 1:00 S 551Rule E-Eur 1996 max - Oct lastSun 0:00 0 - 552 553# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 554Rule Russia 1917 only - Jul 1 23:00 1:00 MST # Moscow Summer Time 555Rule Russia 1917 only - Dec 28 0:00 0 MMT # Moscow Mean Time 556Rule Russia 1918 only - May 31 22:00 2:00 MDST # Moscow Double Summer Time 557Rule Russia 1918 only - Sep 16 1:00 1:00 MST 558Rule Russia 1919 only - May 31 23:00 2:00 MDST 559Rule Russia 1919 only - Jul 1 2:00 1:00 S 560Rule Russia 1919 only - Aug 16 0:00 0 - 561Rule Russia 1921 only - Feb 14 23:00 1:00 S 562Rule Russia 1921 only - Mar 20 23:00 2:00 M # Midsummer 563Rule Russia 1921 only - Sep 1 0:00 1:00 S 564Rule Russia 1921 only - Oct 1 0:00 0 - 565# Act No.925 of the Council of Ministers of the USSR (1980-10-24): 566Rule Russia 1981 1984 - Apr 1 0:00 1:00 S 567Rule Russia 1981 1983 - Oct 1 0:00 0 - 568# Act No.967 of the Council of Ministers of the USSR (1984-09-13), repeated in 569# Act No.227 of the Council of Ministers of the USSR (1989-03-14): 570Rule Russia 1984 1991 - Sep lastSun 2:00s 0 - 571Rule Russia 1985 1991 - Mar lastSun 2:00s 1:00 S 572# 573Rule Russia 1992 only - Mar lastSat 23:00 1:00 S 574Rule Russia 1992 only - Sep lastSat 23:00 0 - 575Rule Russia 1993 2010 - Mar lastSun 2:00s 1:00 S 576Rule Russia 1993 1995 - Sep lastSun 2:00s 0 - 577Rule Russia 1996 2010 - Oct lastSun 2:00s 0 - 578 579# From Alexander Krivenyshev (2011-06-14): 580# According to Kremlin press service, Russian President Dmitry Medvedev 581# signed a federal law "On calculation of time" on June 9, 2011. 582# According to the law Russia is abolishing daylight saving time. 583# 584# Medvedev signed a law "On the Calculation of Time" (in russian): 585# <a href="http://bmockbe.ru/events/?ID=7583"> 586# http://bmockbe.ru/events/?ID=7583 587# </a> 588# 589# Medvedev signed a law on the calculation of the time (in russian): 590# <a href="http://www.regnum.ru/news/polit/1413906.html"> 591# http://www.regnum.ru/news/polit/1413906.html 592# </a> 593 594# From Arthur David Olson (2011-06-15): 595# Take "abolishing daylight saving time" to mean that time is now considered 596# to be standard. 597 598# These are for backward compatibility with older versions. 599 600# Zone NAME GMTOFF RULES FORMAT [UNTIL] 601Zone WET 0:00 EU WE%sT 602Zone CET 1:00 C-Eur CE%sT 603Zone MET 1:00 C-Eur ME%sT 604Zone EET 2:00 EU EE%sT 605 606# Previous editions of this database used abbreviations like MET DST 607# for Central European Summer Time, but this didn't agree with common usage. 608 609# From Markus Kuhn (1996-07-12): 610# The official German names ... are 611# 612# Mitteleuropaeische Zeit (MEZ) = UTC+01:00 613# Mitteleuropaeische Sommerzeit (MESZ) = UTC+02:00 614# 615# as defined in the German Time Act (Gesetz ueber die Zeitbestimmung (ZeitG), 616# 1978-07-25, Bundesgesetzblatt, Jahrgang 1978, Teil I, S. 1110-1111).... 617# I wrote ... to the German Federal Physical-Technical Institution 618# 619# Physikalisch-Technische Bundesanstalt (PTB) 620# Laboratorium 4.41 "Zeiteinheit" 621# Postfach 3345 622# D-38023 Braunschweig 623# phone: +49 531 592-0 624# 625# ... I received today an answer letter from Dr. Peter Hetzel, head of the PTB 626# department for time and frequency transmission. He explained that the 627# PTB translates MEZ and MESZ into English as 628# 629# Central European Time (CET) = UTC+01:00 630# Central European Summer Time (CEST) = UTC+02:00 631 632 633# Albania 634# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 635Rule Albania 1940 only - Jun 16 0:00 1:00 S 636Rule Albania 1942 only - Nov 2 3:00 0 - 637Rule Albania 1943 only - Mar 29 2:00 1:00 S 638Rule Albania 1943 only - Apr 10 3:00 0 - 639Rule Albania 1974 only - May 4 0:00 1:00 S 640Rule Albania 1974 only - Oct 2 0:00 0 - 641Rule Albania 1975 only - May 1 0:00 1:00 S 642Rule Albania 1975 only - Oct 2 0:00 0 - 643Rule Albania 1976 only - May 2 0:00 1:00 S 644Rule Albania 1976 only - Oct 3 0:00 0 - 645Rule Albania 1977 only - May 8 0:00 1:00 S 646Rule Albania 1977 only - Oct 2 0:00 0 - 647Rule Albania 1978 only - May 6 0:00 1:00 S 648Rule Albania 1978 only - Oct 1 0:00 0 - 649Rule Albania 1979 only - May 5 0:00 1:00 S 650Rule Albania 1979 only - Sep 30 0:00 0 - 651Rule Albania 1980 only - May 3 0:00 1:00 S 652Rule Albania 1980 only - Oct 4 0:00 0 - 653Rule Albania 1981 only - Apr 26 0:00 1:00 S 654Rule Albania 1981 only - Sep 27 0:00 0 - 655Rule Albania 1982 only - May 2 0:00 1:00 S 656Rule Albania 1982 only - Oct 3 0:00 0 - 657Rule Albania 1983 only - Apr 18 0:00 1:00 S 658Rule Albania 1983 only - Oct 1 0:00 0 - 659Rule Albania 1984 only - Apr 1 0:00 1:00 S 660# Zone NAME GMTOFF RULES FORMAT [UNTIL] 661Zone Europe/Tirane 1:19:20 - LMT 1914 662 1:00 - CET 1940 Jun 16 663 1:00 Albania CE%sT 1984 Jul 664 1:00 EU CE%sT 665 666# Andorra 667# Zone NAME GMTOFF RULES FORMAT [UNTIL] 668Zone Europe/Andorra 0:06:04 - LMT 1901 669 0:00 - WET 1946 Sep 30 670 1:00 - CET 1985 Mar 31 2:00 671 1:00 EU CE%sT 672 673# Austria 674 675# Milne says Vienna time was 1:05:21. 676 677# From Paul Eggert (2006-03-22): Shanks & Pottenger give 1918-06-16 and 678# 1945-11-18, but the Austrian Federal Office of Metrology and 679# Surveying (BEV) gives 1918-09-16 and for Vienna gives the "alleged" 680# date of 1945-04-12 with no time. For the 1980-04-06 transition 681# Shanks & Pottenger give 02:00, the BEV 00:00. Go with the BEV, 682# and guess 02:00 for 1945-04-12. 683 684# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 685Rule Austria 1920 only - Apr 5 2:00s 1:00 S 686Rule Austria 1920 only - Sep 13 2:00s 0 - 687Rule Austria 1946 only - Apr 14 2:00s 1:00 S 688Rule Austria 1946 1948 - Oct Sun>=1 2:00s 0 - 689Rule Austria 1947 only - Apr 6 2:00s 1:00 S 690Rule Austria 1948 only - Apr 18 2:00s 1:00 S 691Rule Austria 1980 only - Apr 6 0:00 1:00 S 692Rule Austria 1980 only - Sep 28 0:00 0 - 693# Zone NAME GMTOFF RULES FORMAT [UNTIL] 694Zone Europe/Vienna 1:05:21 - LMT 1893 Apr 695 1:00 C-Eur CE%sT 1920 696 1:00 Austria CE%sT 1940 Apr 1 2:00s 697 1:00 C-Eur CE%sT 1945 Apr 2 2:00s 698 1:00 1:00 CEST 1945 Apr 12 2:00s 699 1:00 - CET 1946 700 1:00 Austria CE%sT 1981 701 1:00 EU CE%sT 702 703# Belarus 704# From Yauhen Kharuzhy (2011-09-16): 705# By latest Belarus government act Europe/Minsk timezone was changed to 706# GMT+3 without DST (was GMT+2 with DST). 707# 708# Sources (Russian language): 709# 1. 710# <a href="http://www.belta.by/ru/all_news/society/V-Belarusi-otmenjaetsja-perexod-na-sezonnoe-vremja_i_572952.html"> 711# http://www.belta.by/ru/all_news/society/V-Belarusi-otmenjaetsja-perexod-na-sezonnoe-vremja_i_572952.html 712# </a> 713# 2. 714# <a href="http://naviny.by/rubrics/society/2011/09/16/ic_articles_116_175144/"> 715# http://naviny.by/rubrics/society/2011/09/16/ic_articles_116_175144/ 716# </a> 717# 3. 718# <a href="http://news.tut.by/society/250578.html"> 719# http://news.tut.by/society/250578.html 720# </a> 721# Zone NAME GMTOFF RULES FORMAT [UNTIL] 722Zone Europe/Minsk 1:50:16 - LMT 1880 723 1:50 - MMT 1924 May 2 # Minsk Mean Time 724 2:00 - EET 1930 Jun 21 725 3:00 - MSK 1941 Jun 28 726 1:00 C-Eur CE%sT 1944 Jul 3 727 3:00 Russia MSK/MSD 1990 728 3:00 - MSK 1991 Mar 31 2:00s 729 2:00 1:00 EEST 1991 Sep 29 2:00s 730 2:00 - EET 1992 Mar 29 0:00s 731 2:00 1:00 EEST 1992 Sep 27 0:00s 732 2:00 Russia EE%sT 2011 Mar 27 2:00s 733 3:00 - FET # Further-eastern European Time 734 735# Belgium 736# 737# From Paul Eggert (1997-07-02): 738# Entries from 1918 through 1991 are taken from: 739# Annuaire de L'Observatoire Royal de Belgique, 740# Avenue Circulaire, 3, B-1180 BRUXELLES, CLVIIe annee, 1991 741# (Imprimerie HAYEZ, s.p.r.l., Rue Fin, 4, 1080 BRUXELLES, MCMXC), 742# pp 8-9. 743# LMT before 1892 was 0:17:30, according to the official journal of Belgium: 744# Moniteur Belge, Samedi 30 Avril 1892, N.121. 745# Thanks to Pascal Delmoitie for these references. 746# The 1918 rules are listed for completeness; they apply to unoccupied Belgium. 747# Assume Brussels switched to WET in 1918 when the armistice took effect. 748# 749# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 750Rule Belgium 1918 only - Mar 9 0:00s 1:00 S 751Rule Belgium 1918 1919 - Oct Sat>=1 23:00s 0 - 752Rule Belgium 1919 only - Mar 1 23:00s 1:00 S 753Rule Belgium 1920 only - Feb 14 23:00s 1:00 S 754Rule Belgium 1920 only - Oct 23 23:00s 0 - 755Rule Belgium 1921 only - Mar 14 23:00s 1:00 S 756Rule Belgium 1921 only - Oct 25 23:00s 0 - 757Rule Belgium 1922 only - Mar 25 23:00s 1:00 S 758Rule Belgium 1922 1927 - Oct Sat>=1 23:00s 0 - 759Rule Belgium 1923 only - Apr 21 23:00s 1:00 S 760Rule Belgium 1924 only - Mar 29 23:00s 1:00 S 761Rule Belgium 1925 only - Apr 4 23:00s 1:00 S 762# DSH writes that a royal decree of 1926-02-22 specified the Sun following 3rd 763# Sat in Apr (except if it's Easter, in which case it's one Sunday earlier), 764# to Sun following 1st Sat in Oct, and that a royal decree of 1928-09-15 765# changed the transition times to 02:00 GMT. 766Rule Belgium 1926 only - Apr 17 23:00s 1:00 S 767Rule Belgium 1927 only - Apr 9 23:00s 1:00 S 768Rule Belgium 1928 only - Apr 14 23:00s 1:00 S 769Rule Belgium 1928 1938 - Oct Sun>=2 2:00s 0 - 770Rule Belgium 1929 only - Apr 21 2:00s 1:00 S 771Rule Belgium 1930 only - Apr 13 2:00s 1:00 S 772Rule Belgium 1931 only - Apr 19 2:00s 1:00 S 773Rule Belgium 1932 only - Apr 3 2:00s 1:00 S 774Rule Belgium 1933 only - Mar 26 2:00s 1:00 S 775Rule Belgium 1934 only - Apr 8 2:00s 1:00 S 776Rule Belgium 1935 only - Mar 31 2:00s 1:00 S 777Rule Belgium 1936 only - Apr 19 2:00s 1:00 S 778Rule Belgium 1937 only - Apr 4 2:00s 1:00 S 779Rule Belgium 1938 only - Mar 27 2:00s 1:00 S 780Rule Belgium 1939 only - Apr 16 2:00s 1:00 S 781Rule Belgium 1939 only - Nov 19 2:00s 0 - 782Rule Belgium 1940 only - Feb 25 2:00s 1:00 S 783Rule Belgium 1944 only - Sep 17 2:00s 0 - 784Rule Belgium 1945 only - Apr 2 2:00s 1:00 S 785Rule Belgium 1945 only - Sep 16 2:00s 0 - 786Rule Belgium 1946 only - May 19 2:00s 1:00 S 787Rule Belgium 1946 only - Oct 7 2:00s 0 - 788# Zone NAME GMTOFF RULES FORMAT [UNTIL] 789Zone Europe/Brussels 0:17:30 - LMT 1880 790 0:17:30 - BMT 1892 May 1 12:00 # Brussels MT 791 0:00 - WET 1914 Nov 8 792 1:00 - CET 1916 May 1 0:00 793 1:00 C-Eur CE%sT 1918 Nov 11 11:00u 794 0:00 Belgium WE%sT 1940 May 20 2:00s 795 1:00 C-Eur CE%sT 1944 Sep 3 796 1:00 Belgium CE%sT 1977 797 1:00 EU CE%sT 798 799# Bosnia and Herzegovina 800# see Serbia 801 802# Bulgaria 803# 804# From Plamen Simenov via Steffen Thorsen (1999-09-09): 805# A document of Government of Bulgaria (No.94/1997) says: 806# EET --> EETDST is in 03:00 Local time in last Sunday of March ... 807# EETDST --> EET is in 04:00 Local time in last Sunday of October 808# 809# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 810Rule Bulg 1979 only - Mar 31 23:00 1:00 S 811Rule Bulg 1979 only - Oct 1 1:00 0 - 812Rule Bulg 1980 1982 - Apr Sat>=1 23:00 1:00 S 813Rule Bulg 1980 only - Sep 29 1:00 0 - 814Rule Bulg 1981 only - Sep 27 2:00 0 - 815# Zone NAME GMTOFF RULES FORMAT [UNTIL] 816Zone Europe/Sofia 1:33:16 - LMT 1880 817 1:56:56 - IMT 1894 Nov 30 # Istanbul MT? 818 2:00 - EET 1942 Nov 2 3:00 819 1:00 C-Eur CE%sT 1945 820 1:00 - CET 1945 Apr 2 3:00 821 2:00 - EET 1979 Mar 31 23:00 822 2:00 Bulg EE%sT 1982 Sep 26 2:00 823 2:00 C-Eur EE%sT 1991 824 2:00 E-Eur EE%sT 1997 825 2:00 EU EE%sT 826 827# Croatia 828# see Serbia 829 830# Cyprus 831# Please see the `asia' file for Asia/Nicosia. 832 833# Czech Republic 834# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 835Rule Czech 1945 only - Apr 8 2:00s 1:00 S 836Rule Czech 1945 only - Nov 18 2:00s 0 - 837Rule Czech 1946 only - May 6 2:00s 1:00 S 838Rule Czech 1946 1949 - Oct Sun>=1 2:00s 0 - 839Rule Czech 1947 only - Apr 20 2:00s 1:00 S 840Rule Czech 1948 only - Apr 18 2:00s 1:00 S 841Rule Czech 1949 only - Apr 9 2:00s 1:00 S 842# Zone NAME GMTOFF RULES FORMAT [UNTIL] 843Zone Europe/Prague 0:57:44 - LMT 1850 844 0:57:44 - PMT 1891 Oct # Prague Mean Time 845 1:00 C-Eur CE%sT 1944 Sep 17 2:00s 846 1:00 Czech CE%sT 1979 847 1:00 EU CE%sT 848 849# Denmark, Faroe Islands, and Greenland 850 851# From Jesper Norgaard Welen (2005-04-26): 852# http://www.hum.aau.dk/~poe/tid/tine/DanskTid.htm says that the law 853# [introducing standard time] was in effect from 1894-01-01.... 854# The page http://www.retsinfo.dk/_GETDOCI_/ACCN/A18930008330-REGL 855# confirms this, and states that the law was put forth 1893-03-29. 856# 857# The EU treaty with effect from 1973: 858# http://www.retsinfo.dk/_GETDOCI_/ACCN/A19722110030-REGL 859# 860# This provoked a new law from 1974 to make possible summer time changes 861# in subsequenet decrees with the law 862# http://www.retsinfo.dk/_GETDOCI_/ACCN/A19740022330-REGL 863# 864# It seems however that no decree was set forward until 1980. I have 865# not found any decree, but in another related law, the effecting DST 866# changes are stated explicitly to be from 1980-04-06 at 02:00 to 867# 1980-09-28 at 02:00. If this is true, this differs slightly from 868# the EU rule in that DST runs to 02:00, not 03:00. We don't know 869# when Denmark began using the EU rule correctly, but we have only 870# confirmation of the 1980-time, so I presume it was correct in 1981: 871# The law is about the management of the extra hour, concerning 872# working hours reported and effect on obligatory-rest rules (which 873# was suspended on that night): 874# http://www.retsinfo.dk/_GETDOCI_/ACCN/C19801120554-REGL 875 876# From Jesper Norgaard Welen (2005-06-11): 877# The Herning Folkeblad (1980-09-26) reported that the night between 878# Saturday and Sunday the clock is set back from three to two. 879 880# From Paul Eggert (2005-06-11): 881# Hence the "02:00" of the 1980 law refers to standard time, not 882# wall-clock time, and so the EU rules were in effect in 1980. 883 884# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 885Rule Denmark 1916 only - May 14 23:00 1:00 S 886Rule Denmark 1916 only - Sep 30 23:00 0 - 887Rule Denmark 1940 only - May 15 0:00 1:00 S 888Rule Denmark 1945 only - Apr 2 2:00s 1:00 S 889Rule Denmark 1945 only - Aug 15 2:00s 0 - 890Rule Denmark 1946 only - May 1 2:00s 1:00 S 891Rule Denmark 1946 only - Sep 1 2:00s 0 - 892Rule Denmark 1947 only - May 4 2:00s 1:00 S 893Rule Denmark 1947 only - Aug 10 2:00s 0 - 894Rule Denmark 1948 only - May 9 2:00s 1:00 S 895Rule Denmark 1948 only - Aug 8 2:00s 0 - 896# 897# Zone NAME GMTOFF RULES FORMAT [UNTIL] 898Zone Europe/Copenhagen 0:50:20 - LMT 1890 899 0:50:20 - CMT 1894 Jan 1 # Copenhagen MT 900 1:00 Denmark CE%sT 1942 Nov 2 2:00s 901 1:00 C-Eur CE%sT 1945 Apr 2 2:00 902 1:00 Denmark CE%sT 1980 903 1:00 EU CE%sT 904Zone Atlantic/Faroe -0:27:04 - LMT 1908 Jan 11 # Torshavn 905 0:00 - WET 1981 906 0:00 EU WE%sT 907# 908# From Paul Eggert (2004-10-31): 909# During World War II, Germany maintained secret manned weather stations in 910# East Greenland and Franz Josef Land, but we don't know their time zones. 911# My source for this is Wilhelm Dege's book mentioned under Svalbard. 912# 913# From Paul Eggert (2006-03-22): 914# Greenland joined the EU as part of Denmark, obtained home rule on 1979-05-01, 915# and left the EU on 1985-02-01. It therefore should have been using EU 916# rules at least through 1984. Shanks & Pottenger say Scoresbysund and Godthab 917# used C-Eur rules after 1980, but IATA SSIM (1991/1996) says they use EU 918# rules since at least 1991. Assume EU rules since 1980. 919 920# From Gwillin Law (2001-06-06), citing 921# <http://www.statkart.no/efs/efshefter/2001/efs5-2001.pdf> (2001-03-15), 922# and with translations corrected by Steffen Thorsen: 923# 924# Greenland has four local times, and the relation to UTC 925# is according to the following time line: 926# 927# The military zone near Thule UTC-4 928# Standard Greenland time UTC-3 929# Scoresbysund UTC-1 930# Danmarkshavn UTC 931# 932# In the military area near Thule and in Danmarkshavn DST will not be 933# introduced. 934 935# From Rives McDow (2001-11-01): 936# 937# I correspond regularly with the Dansk Polarcenter, and wrote them at 938# the time to clarify the situation in Thule. Unfortunately, I have 939# not heard back from them regarding my recent letter. [But I have 940# info from earlier correspondence.] 941# 942# According to the center, a very small local time zone around Thule 943# Air Base keeps the time according to UTC-4, implementing daylight 944# savings using North America rules, changing the time at 02:00 local time.... 945# 946# The east coast of Greenland north of the community of Scoresbysund 947# uses UTC in the same way as in Iceland, year round, with no dst. 948# There are just a few stations on this coast, including the 949# Danmarkshavn ICAO weather station mentioned in your September 29th 950# email. The other stations are two sledge patrol stations in 951# Mestersvig and Daneborg, the air force base at Station Nord, and the 952# DPC research station at Zackenberg. 953# 954# Scoresbysund and two small villages nearby keep time UTC-1 and use 955# the same daylight savings time period as in West Greenland (Godthab). 956# 957# The rest of Greenland, including Godthab (this area, although it 958# includes central Greenland, is known as west Greenland), keeps time 959# UTC-3, with daylight savings methods according to European rules. 960# 961# It is common procedure to use UTC 0 in the wilderness of East and 962# North Greenland, because it is mainly Icelandic aircraft operators 963# maintaining traffic in these areas. However, the official status of 964# this area is that it sticks with Godthab time. This area might be 965# considered a dual time zone in some respects because of this. 966 967# From Rives McDow (2001-11-19): 968# I heard back from someone stationed at Thule; the time change took place 969# there at 2:00 AM. 970 971# From Paul Eggert (2006-03-22): 972# From 1997 on the CIA map shows Danmarkshavn on GMT; 973# the 1995 map as like Godthab. 974# For lack of better info, assume they were like Godthab before 1996. 975# startkart.no says Thule does not observe DST, but this is clearly an error, 976# so go with Shanks & Pottenger for Thule transitions until this year. 977# For 2007 on assume Thule will stay in sync with US DST rules. 978# 979# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 980Rule Thule 1991 1992 - Mar lastSun 2:00 1:00 D 981Rule Thule 1991 1992 - Sep lastSun 2:00 0 S 982Rule Thule 1993 2006 - Apr Sun>=1 2:00 1:00 D 983Rule Thule 1993 2006 - Oct lastSun 2:00 0 S 984Rule Thule 2007 max - Mar Sun>=8 2:00 1:00 D 985Rule Thule 2007 max - Nov Sun>=1 2:00 0 S 986# 987# Zone NAME GMTOFF RULES FORMAT [UNTIL] 988Zone America/Danmarkshavn -1:14:40 - LMT 1916 Jul 28 989 -3:00 - WGT 1980 Apr 6 2:00 990 -3:00 EU WG%sT 1996 991 0:00 - GMT 992Zone America/Scoresbysund -1:27:52 - LMT 1916 Jul 28 # Ittoqqortoormiit 993 -2:00 - CGT 1980 Apr 6 2:00 994 -2:00 C-Eur CG%sT 1981 Mar 29 995 -1:00 EU EG%sT 996Zone America/Godthab -3:26:56 - LMT 1916 Jul 28 # Nuuk 997 -3:00 - WGT 1980 Apr 6 2:00 998 -3:00 EU WG%sT 999Zone America/Thule -4:35:08 - LMT 1916 Jul 28 # Pituffik air base 1000 -4:00 Thule A%sT 1001 1002# Estonia 1003# From Peter Ilieve (1994-10-15): 1004# A relative in Tallinn confirms the accuracy of the data for 1989 onwards 1005# [through 1994] and gives the legal authority for it, 1006# a regulation of the Government of Estonia, No. 111 of 1989.... 1007# 1008# From Peter Ilieve (1996-10-28): 1009# [IATA SSIM (1992/1996) claims that the Baltic republics switch at 01:00s, 1010# but a relative confirms that Estonia still switches at 02:00s, writing:] 1011# ``I do not [know] exactly but there are some little different 1012# (confusing) rules for International Air and Railway Transport Schedules 1013# conversion in Sunday connected with end of summer time in Estonia.... 1014# A discussion is running about the summer time efficiency and effect on 1015# human physiology. It seems that Estonia maybe will not change to 1016# summer time next spring.'' 1017 1018# From Peter Ilieve (1998-11-04), heavily edited: 1019# <a href="http://trip.rk.ee/cgi-bin/thw?${BASE}=akt&${OOHTML}=rtd&TA=1998&TO=1&AN=1390"> 1020# The 1998-09-22 Estonian time law 1021# </a> 1022# refers to the Eighth Directive and cites the association agreement between 1023# the EU and Estonia, ratified by the Estonian law (RT II 1995, 22--27, 120). 1024# 1025# I also asked [my relative] whether they use any standard abbreviation 1026# for their standard and summer times. He says no, they use "suveaeg" 1027# (summer time) and "talveaeg" (winter time). 1028 1029# From <a href="http://www.baltictimes.com/">The Baltic Times</a> (1999-09-09) 1030# via Steffen Thorsen: 1031# This year will mark the last time Estonia shifts to summer time, 1032# a council of the ruling coalition announced Sept. 6.... 1033# But what this could mean for Estonia's chances of joining the European 1034# Union are still unclear. In 1994, the EU declared summer time compulsory 1035# for all member states until 2001. Brussels has yet to decide what to do 1036# after that. 1037 1038# From Mart Oruaas (2000-01-29): 1039# Regulation no. 301 (1999-10-12) obsoletes previous regulation 1040# no. 206 (1998-09-22) and thus sticks Estonia to +02:00 GMT for all 1041# the year round. The regulation is effective 1999-11-01. 1042 1043# From Toomas Soome (2002-02-21): 1044# The Estonian government has changed once again timezone politics. 1045# Now we are using again EU rules. 1046# 1047# From Urmet Jaanes (2002-03-28): 1048# The legislative reference is Government decree No. 84 on 2002-02-21. 1049 1050# Zone NAME GMTOFF RULES FORMAT [UNTIL] 1051Zone Europe/Tallinn 1:39:00 - LMT 1880 1052 1:39:00 - TMT 1918 Feb # Tallinn Mean Time 1053 1:00 C-Eur CE%sT 1919 Jul 1054 1:39:00 - TMT 1921 May 1055 2:00 - EET 1940 Aug 6 1056 3:00 - MSK 1941 Sep 15 1057 1:00 C-Eur CE%sT 1944 Sep 22 1058 3:00 Russia MSK/MSD 1989 Mar 26 2:00s 1059 2:00 1:00 EEST 1989 Sep 24 2:00s 1060 2:00 C-Eur EE%sT 1998 Sep 22 1061 2:00 EU EE%sT 1999 Nov 1 1062 2:00 - EET 2002 Feb 21 1063 2:00 EU EE%sT 1064 1065# Finland 1066 1067# From Hannu Strang (1994-09-25 06:03:37 UTC): 1068# Well, here in Helsinki we're just changing from summer time to regular one, 1069# and it's supposed to change at 4am... 1070 1071# From Janne Snabb (2010-0715): 1072# 1073# I noticed that the Finland data is not accurate for years 1981 and 1982. 1074# During these two first trial years the DST adjustment was made one hour 1075# earlier than in forthcoming years. Starting 1983 the adjustment was made 1076# according to the central European standards. 1077# 1078# This is documented in Heikki Oja: Aikakirja 2007, published by The Almanac 1079# Office of University of Helsinki, ISBN 952-10-3221-9, available online (in 1080# Finnish) at 1081# 1082# <a href="http://almanakka.helsinki.fi/aikakirja/Aikakirja2007kokonaan.pdf"> 1083# http://almanakka.helsinki.fi/aikakirja/Aikakirja2007kokonaan.pdf 1084# </a> 1085# 1086# Page 105 (56 in PDF version) has a handy table of all past daylight savings 1087# transitions. It is easy enough to interpret without Finnish skills. 1088# 1089# This is also confirmed by Finnish Broadcasting Company's archive at: 1090# 1091# <a href="http://www.yle.fi/elavaarkisto/?s=s&g=1&ag=5&t=&a=3401"> 1092# http://www.yle.fi/elavaarkisto/?s=s&g=1&ag=5&t=&a=3401 1093# </a> 1094# 1095# The news clip from 1981 says that "the time between 2 and 3 o'clock does not 1096# exist tonight." 1097 1098# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 1099Rule Finland 1942 only - Apr 3 0:00 1:00 S 1100Rule Finland 1942 only - Oct 3 0:00 0 - 1101Rule Finland 1981 1982 - Mar lastSun 2:00 1:00 S 1102Rule Finland 1981 1982 - Sep lastSun 3:00 0 - 1103# Zone NAME GMTOFF RULES FORMAT [UNTIL] 1104Zone Europe/Helsinki 1:39:52 - LMT 1878 May 31 1105 1:39:52 - HMT 1921 May # Helsinki Mean Time 1106 2:00 Finland EE%sT 1983 1107 2:00 EU EE%sT 1108 1109# Aaland Is 1110Link Europe/Helsinki Europe/Mariehamn 1111 1112 1113# France 1114 1115# From Ciro Discepolo (2000-12-20): 1116# 1117# Henri Le Corre, Regimes Horaires pour le monde entier, Editions 1118# Traditionnelles - Paris 2 books, 1993 1119# 1120# Gabriel, Traite de l'heure dans le monde, Guy Tredaniel editeur, 1121# Paris, 1991 1122# 1123# Francoise Gauquelin, Problemes de l'heure resolus en astrologie, 1124# Guy tredaniel, Paris 1987 1125 1126 1127# 1128# Shank & Pottenger seem to use `24:00' ambiguously; resolve it with Whitman. 1129# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 1130Rule France 1916 only - Jun 14 23:00s 1:00 S 1131Rule France 1916 1919 - Oct Sun>=1 23:00s 0 - 1132Rule France 1917 only - Mar 24 23:00s 1:00 S 1133Rule France 1918 only - Mar 9 23:00s 1:00 S 1134Rule France 1919 only - Mar 1 23:00s 1:00 S 1135Rule France 1920 only - Feb 14 23:00s 1:00 S 1136Rule France 1920 only - Oct 23 23:00s 0 - 1137Rule France 1921 only - Mar 14 23:00s 1:00 S 1138Rule France 1921 only - Oct 25 23:00s 0 - 1139Rule France 1922 only - Mar 25 23:00s 1:00 S 1140# DSH writes that a law of 1923-05-24 specified 3rd Sat in Apr at 23:00 to 1st 1141# Sat in Oct at 24:00; and that in 1930, because of Easter, the transitions 1142# were Apr 12 and Oct 5. Go with Shanks & Pottenger. 1143Rule France 1922 1938 - Oct Sat>=1 23:00s 0 - 1144Rule France 1923 only - May 26 23:00s 1:00 S 1145Rule France 1924 only - Mar 29 23:00s 1:00 S 1146Rule France 1925 only - Apr 4 23:00s 1:00 S 1147Rule France 1926 only - Apr 17 23:00s 1:00 S 1148Rule France 1927 only - Apr 9 23:00s 1:00 S 1149Rule France 1928 only - Apr 14 23:00s 1:00 S 1150Rule France 1929 only - Apr 20 23:00s 1:00 S 1151Rule France 1930 only - Apr 12 23:00s 1:00 S 1152Rule France 1931 only - Apr 18 23:00s 1:00 S 1153Rule France 1932 only - Apr 2 23:00s 1:00 S 1154Rule France 1933 only - Mar 25 23:00s 1:00 S 1155Rule France 1934 only - Apr 7 23:00s 1:00 S 1156Rule France 1935 only - Mar 30 23:00s 1:00 S 1157Rule France 1936 only - Apr 18 23:00s 1:00 S 1158Rule France 1937 only - Apr 3 23:00s 1:00 S 1159Rule France 1938 only - Mar 26 23:00s 1:00 S 1160Rule France 1939 only - Apr 15 23:00s 1:00 S 1161Rule France 1939 only - Nov 18 23:00s 0 - 1162Rule France 1940 only - Feb 25 2:00 1:00 S 1163# The French rules for 1941-1944 were not used in Paris, but Shanks & Pottenger 1164# write that they were used in Monaco and in many French locations. 1165# Le Corre writes that the upper limit of the free zone was Arneguy, Orthez, 1166# Mont-de-Marsan, Bazas, Langon, Lamotte-Montravel, Marouil, La 1167# Rochefoucault, Champagne-Mouton, La Roche-Posay, La Haye-Descartes, 1168# Loches, Montrichard, Vierzon, Bourges, Moulins, Digoin, 1169# Paray-le-Monial, Montceau-les-Mines, Chalons-sur-Saone, Arbois, 1170# Dole, Morez, St-Claude, and Collonges (Haute-Savoie). 1171Rule France 1941 only - May 5 0:00 2:00 M # Midsummer 1172# Shanks & Pottenger say this transition occurred at Oct 6 1:00, 1173# but go with Denis Excoffier (1997-12-12), 1174# who quotes the Ephemerides Astronomiques for 1998 from Bureau des Longitudes 1175# as saying 5/10/41 22hUT. 1176Rule France 1941 only - Oct 6 0:00 1:00 S 1177Rule France 1942 only - Mar 9 0:00 2:00 M 1178Rule France 1942 only - Nov 2 3:00 1:00 S 1179Rule France 1943 only - Mar 29 2:00 2:00 M 1180Rule France 1943 only - Oct 4 3:00 1:00 S 1181Rule France 1944 only - Apr 3 2:00 2:00 M 1182Rule France 1944 only - Oct 8 1:00 1:00 S 1183Rule France 1945 only - Apr 2 2:00 2:00 M 1184Rule France 1945 only - Sep 16 3:00 0 - 1185# Shanks & Pottenger give Mar 28 2:00 and Sep 26 3:00; 1186# go with Excoffier's 28/3/76 0hUT and 25/9/76 23hUT. 1187Rule France 1976 only - Mar 28 1:00 1:00 S 1188Rule France 1976 only - Sep 26 1:00 0 - 1189# Shanks & Pottenger give 0:09:20 for Paris Mean Time, and Whitman 0:09:05, 1190# but Howse quotes the actual French legislation as saying 0:09:21. 1191# Go with Howse. Howse writes that the time in France was officially based 1192# on PMT-0:09:21 until 1978-08-09, when the time base finally switched to UTC. 1193# Zone NAME GMTOFF RULES FORMAT [UNTIL] 1194Zone Europe/Paris 0:09:21 - LMT 1891 Mar 15 0:01 1195 0:09:21 - PMT 1911 Mar 11 0:01 # Paris MT 1196# Shanks & Pottenger give 1940 Jun 14 0:00; go with Excoffier and Le Corre. 1197 0:00 France WE%sT 1940 Jun 14 23:00 1198# Le Corre says Paris stuck with occupied-France time after the liberation; 1199# go with Shanks & Pottenger. 1200 1:00 C-Eur CE%sT 1944 Aug 25 1201 0:00 France WE%sT 1945 Sep 16 3:00 1202 1:00 France CE%sT 1977 1203 1:00 EU CE%sT 1204 1205# Germany 1206 1207# From Markus Kuhn (1998-09-29): 1208# The German time zone web site by the Physikalisch-Technische 1209# Bundesanstalt contains DST information back to 1916. 1210# [See tz-link.htm for the URL.] 1211 1212# From Joerg Schilling (2002-10-23): 1213# In 1945, Berlin was switched to Moscow Summer time (GMT+4) by 1214# <a href="http://www.dhm.de/lemo/html/biografien/BersarinNikolai/"> 1215# General [Nikolai] Bersarin</a>. 1216 1217# From Paul Eggert (2003-03-08): 1218# <a href="http://www.parlament-berlin.de/pds-fraktion.nsf/727459127c8b66ee8525662300459099/defc77cb784f180ac1256c2b0030274b/$FILE/bersarint.pdf"> 1219# http://www.parlament-berlin.de/pds-fraktion.nsf/727459127c8b66ee8525662300459099/defc77cb784f180ac1256c2b0030274b/$FILE/bersarint.pdf 1220# </a> 1221# says that Bersarin issued an order to use Moscow time on May 20. 1222# However, Moscow did not observe daylight saving in 1945, so 1223# this was equivalent to CEMT (GMT+3), not GMT+4. 1224 1225 1226# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 1227Rule Germany 1946 only - Apr 14 2:00s 1:00 S 1228Rule Germany 1946 only - Oct 7 2:00s 0 - 1229Rule Germany 1947 1949 - Oct Sun>=1 2:00s 0 - 1230# http://www.ptb.de/de/org/4/44/441/salt.htm says the following transition 1231# occurred at 3:00 MEZ, not the 2:00 MEZ given in Shanks & Pottenger. 1232# Go with the PTB. 1233Rule Germany 1947 only - Apr 6 3:00s 1:00 S 1234Rule Germany 1947 only - May 11 2:00s 2:00 M 1235Rule Germany 1947 only - Jun 29 3:00 1:00 S 1236Rule Germany 1948 only - Apr 18 2:00s 1:00 S 1237Rule Germany 1949 only - Apr 10 2:00s 1:00 S 1238 1239Rule SovietZone 1945 only - May 24 2:00 2:00 M # Midsummer 1240Rule SovietZone 1945 only - Sep 24 3:00 1:00 S 1241Rule SovietZone 1945 only - Nov 18 2:00s 0 - 1242 1243# Zone NAME GMTOFF RULES FORMAT [UNTIL] 1244Zone Europe/Berlin 0:53:28 - LMT 1893 Apr 1245 1:00 C-Eur CE%sT 1945 May 24 2:00 1246 1:00 SovietZone CE%sT 1946 1247 1:00 Germany CE%sT 1980 1248 1:00 EU CE%sT 1249 1250# From Tobias Conradi (2011-09-12): 1251# Busingen <http://www.buesingen.de>, surrounded by the Swiss canton 1252# Schaffhausen, did not start observing DST in 1980 as the rest of DE 1253# (West Germany at that time) and DD (East Germany at that time) did. 1254# DD merged into DE, the area is currently covered by code DE in ISO 3166-1, 1255# which in turn is covered by the zone Europe/Berlin. 1256# 1257# Source for the time in Busingen 1980: 1258# http://www.srf.ch/player/video?id=c012c029-03b7-4c2b-9164-aa5902cd58d3 1259 1260# From Arthur David Olson (2012-03-03): 1261# Busingen and Zurich have shared clocks since 1970. 1262 1263Link Europe/Zurich Europe/Busingen 1264 1265# Georgia 1266# Please see the "asia" file for Asia/Tbilisi. 1267# Herodotus (Histories, IV.45) says Georgia north of the Phasis (now Rioni) 1268# is in Europe. Our reference location Tbilisi is in the Asian part. 1269 1270# Gibraltar 1271# Zone NAME GMTOFF RULES FORMAT [UNTIL] 1272Zone Europe/Gibraltar -0:21:24 - LMT 1880 Aug 2 0:00s 1273 0:00 GB-Eire %s 1957 Apr 14 2:00 1274 1:00 - CET 1982 1275 1:00 EU CE%sT 1276 1277# Greece 1278# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 1279# Whitman gives 1932 Jul 5 - Nov 1; go with Shanks & Pottenger. 1280Rule Greece 1932 only - Jul 7 0:00 1:00 S 1281Rule Greece 1932 only - Sep 1 0:00 0 - 1282# Whitman gives 1941 Apr 25 - ?; go with Shanks & Pottenger. 1283Rule Greece 1941 only - Apr 7 0:00 1:00 S 1284# Whitman gives 1942 Feb 2 - ?; go with Shanks & Pottenger. 1285Rule Greece 1942 only - Nov 2 3:00 0 - 1286Rule Greece 1943 only - Mar 30 0:00 1:00 S 1287Rule Greece 1943 only - Oct 4 0:00 0 - 1288# Whitman gives 1944 Oct 3 - Oct 31; go with Shanks & Pottenger. 1289Rule Greece 1952 only - Jul 1 0:00 1:00 S 1290Rule Greece 1952 only - Nov 2 0:00 0 - 1291Rule Greece 1975 only - Apr 12 0:00s 1:00 S 1292Rule Greece 1975 only - Nov 26 0:00s 0 - 1293Rule Greece 1976 only - Apr 11 2:00s 1:00 S 1294Rule Greece 1976 only - Oct 10 2:00s 0 - 1295Rule Greece 1977 1978 - Apr Sun>=1 2:00s 1:00 S 1296Rule Greece 1977 only - Sep 26 2:00s 0 - 1297Rule Greece 1978 only - Sep 24 4:00 0 - 1298Rule Greece 1979 only - Apr 1 9:00 1:00 S 1299Rule Greece 1979 only - Sep 29 2:00 0 - 1300Rule Greece 1980 only - Apr 1 0:00 1:00 S 1301Rule Greece 1980 only - Sep 28 0:00 0 - 1302# Zone NAME GMTOFF RULES FORMAT [UNTIL] 1303Zone Europe/Athens 1:34:52 - LMT 1895 Sep 14 1304 1:34:52 - AMT 1916 Jul 28 0:01 # Athens MT 1305 2:00 Greece EE%sT 1941 Apr 30 1306 1:00 Greece CE%sT 1944 Apr 4 1307 2:00 Greece EE%sT 1981 1308 # Shanks & Pottenger say it switched to C-Eur in 1981; 1309 # go with EU instead, since Greece joined it on Jan 1. 1310 2:00 EU EE%sT 1311 1312# Hungary 1313# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 1314Rule Hungary 1918 only - Apr 1 3:00 1:00 S 1315Rule Hungary 1918 only - Sep 29 3:00 0 - 1316Rule Hungary 1919 only - Apr 15 3:00 1:00 S 1317Rule Hungary 1919 only - Sep 15 3:00 0 - 1318Rule Hungary 1920 only - Apr 5 3:00 1:00 S 1319Rule Hungary 1920 only - Sep 30 3:00 0 - 1320Rule Hungary 1945 only - May 1 23:00 1:00 S 1321Rule Hungary 1945 only - Nov 3 0:00 0 - 1322Rule Hungary 1946 only - Mar 31 2:00s 1:00 S 1323Rule Hungary 1946 1949 - Oct Sun>=1 2:00s 0 - 1324Rule Hungary 1947 1949 - Apr Sun>=4 2:00s 1:00 S 1325Rule Hungary 1950 only - Apr 17 2:00s 1:00 S 1326Rule Hungary 1950 only - Oct 23 2:00s 0 - 1327Rule Hungary 1954 1955 - May 23 0:00 1:00 S 1328Rule Hungary 1954 1955 - Oct 3 0:00 0 - 1329Rule Hungary 1956 only - Jun Sun>=1 0:00 1:00 S 1330Rule Hungary 1956 only - Sep lastSun 0:00 0 - 1331Rule Hungary 1957 only - Jun Sun>=1 1:00 1:00 S 1332Rule Hungary 1957 only - Sep lastSun 3:00 0 - 1333Rule Hungary 1980 only - Apr 6 1:00 1:00 S 1334# Zone NAME GMTOFF RULES FORMAT [UNTIL] 1335Zone Europe/Budapest 1:16:20 - LMT 1890 Oct 1336 1:00 C-Eur CE%sT 1918 1337 1:00 Hungary CE%sT 1941 Apr 6 2:00 1338 1:00 C-Eur CE%sT 1945 1339 1:00 Hungary CE%sT 1980 Sep 28 2:00s 1340 1:00 EU CE%sT 1341 1342# Iceland 1343# 1344# From Adam David (1993-11-06): 1345# The name of the timezone in Iceland for system / mail / news purposes is GMT. 1346# 1347# (1993-12-05): 1348# This material is paraphrased from the 1988 edition of the University of 1349# Iceland Almanak. 1350# 1351# From January 1st, 1908 the whole of Iceland was standardised at 1 hour 1352# behind GMT. Previously, local mean solar time was used in different parts 1353# of Iceland, the almanak had been based on Reykjavik mean solar time which 1354# was 1 hour and 28 minutes behind GMT. 1355# 1356# "first day of winter" referred to [below] means the first day of the 26 weeks 1357# of winter, according to the old icelandic calendar that dates back to the 1358# time the norsemen first settled Iceland. The first day of winter is always 1359# Saturday, but is not dependent on the Julian or Gregorian calendars. 1360# 1361# (1993-12-10): 1362# I have a reference from the Oxford Icelandic-English dictionary for the 1363# beginning of winter, which ties it to the ecclesiastical calendar (and thus 1364# to the julian/gregorian calendar) over the period in question. 1365# the winter begins on the Saturday next before St. Luke's day 1366# (old style), or on St. Luke's day, if a Saturday. 1367# St. Luke's day ought to be traceable from ecclesiastical sources. "old style" 1368# might be a reference to the Julian calendar as opposed to Gregorian, or it 1369# might mean something else (???). 1370# 1371# From Paul Eggert (2006-03-22): 1372# The Iceland Almanak, Shanks & Pottenger, and Whitman disagree on many points. 1373# We go with the Almanak, except for one claim from Shanks & Pottenger, namely 1374# that Reykavik was 21W57 from 1837 to 1908, local mean time before that. 1375# 1376# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 1377Rule Iceland 1917 1918 - Feb 19 23:00 1:00 S 1378Rule Iceland 1917 only - Oct 21 1:00 0 - 1379Rule Iceland 1918 only - Nov 16 1:00 0 - 1380Rule Iceland 1939 only - Apr 29 23:00 1:00 S 1381Rule Iceland 1939 only - Nov 29 2:00 0 - 1382Rule Iceland 1940 only - Feb 25 2:00 1:00 S 1383Rule Iceland 1940 only - Nov 3 2:00 0 - 1384Rule Iceland 1941 only - Mar 2 1:00s 1:00 S 1385Rule Iceland 1941 only - Nov 2 1:00s 0 - 1386Rule Iceland 1942 only - Mar 8 1:00s 1:00 S 1387Rule Iceland 1942 only - Oct 25 1:00s 0 - 1388# 1943-1946 - first Sunday in March until first Sunday in winter 1389Rule Iceland 1943 1946 - Mar Sun>=1 1:00s 1:00 S 1390Rule Iceland 1943 1948 - Oct Sun>=22 1:00s 0 - 1391# 1947-1967 - first Sunday in April until first Sunday in winter 1392Rule Iceland 1947 1967 - Apr Sun>=1 1:00s 1:00 S 1393# 1949 Oct transition delayed by 1 week 1394Rule Iceland 1949 only - Oct 30 1:00s 0 - 1395Rule Iceland 1950 1966 - Oct Sun>=22 1:00s 0 - 1396Rule Iceland 1967 only - Oct 29 1:00s 0 - 1397# Zone NAME GMTOFF RULES FORMAT [UNTIL] 1398Zone Atlantic/Reykjavik -1:27:24 - LMT 1837 1399 -1:27:48 - RMT 1908 # Reykjavik Mean Time? 1400 -1:00 Iceland IS%sT 1968 Apr 7 1:00s 1401 0:00 - GMT 1402 1403# Italy 1404# 1405# From Paul Eggert (2001-03-06): 1406# Sicily and Sardinia each had their own time zones from 1866 to 1893, 1407# called Palermo Time (+00:53:28) and Cagliari Time (+00:36:32). 1408# During World War II, German-controlled Italy used German time. 1409# But these events all occurred before the 1970 cutoff, 1410# so record only the time in Rome. 1411# 1412# From Paul Eggert (2006-03-22): 1413# For Italian DST we have three sources: Shanks & Pottenger, Whitman, and 1414# F. Pollastri 1415# <a href="http://toi.iriti.cnr.it/uk/ienitlt.html"> 1416# Day-light Saving Time in Italy (2006-02-03) 1417# </a> 1418# (`FP' below), taken from an Italian National Electrotechnical Institute 1419# publication. When the three sources disagree, guess who's right, as follows: 1420# 1421# year FP Shanks&P. (S) Whitman (W) Go with: 1422# 1916 06-03 06-03 24:00 06-03 00:00 FP & W 1423# 09-30 09-30 24:00 09-30 01:00 FP; guess 24:00s 1424# 1917 04-01 03-31 24:00 03-31 00:00 FP & S 1425# 09-30 09-29 24:00 09-30 01:00 FP & W 1426# 1918 03-09 03-09 24:00 03-09 00:00 FP & S 1427# 10-06 10-05 24:00 10-06 01:00 FP & W 1428# 1919 03-01 03-01 24:00 03-01 00:00 FP & S 1429# 10-04 10-04 24:00 10-04 01:00 FP; guess 24:00s 1430# 1920 03-20 03-20 24:00 03-20 00:00 FP & S 1431# 09-18 09-18 24:00 10-01 01:00 FP; guess 24:00s 1432# 1944 04-02 04-03 02:00 S (see C-Eur) 1433# 09-16 10-02 03:00 FP; guess 24:00s 1434# 1945 09-14 09-16 24:00 FP; guess 24:00s 1435# 1970 05-21 05-31 00:00 S 1436# 09-20 09-27 00:00 S 1437# 1438# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 1439Rule Italy 1916 only - Jun 3 0:00s 1:00 S 1440Rule Italy 1916 only - Oct 1 0:00s 0 - 1441Rule Italy 1917 only - Apr 1 0:00s 1:00 S 1442Rule Italy 1917 only - Sep 30 0:00s 0 - 1443Rule Italy 1918 only - Mar 10 0:00s 1:00 S 1444Rule Italy 1918 1919 - Oct Sun>=1 0:00s 0 - 1445Rule Italy 1919 only - Mar 2 0:00s 1:00 S 1446Rule Italy 1920 only - Mar 21 0:00s 1:00 S 1447Rule Italy 1920 only - Sep 19 0:00s 0 - 1448Rule Italy 1940 only - Jun 15 0:00s 1:00 S 1449Rule Italy 1944 only - Sep 17 0:00s 0 - 1450Rule Italy 1945 only - Apr 2 2:00 1:00 S 1451Rule Italy 1945 only - Sep 15 0:00s 0 - 1452Rule Italy 1946 only - Mar 17 2:00s 1:00 S 1453Rule Italy 1946 only - Oct 6 2:00s 0 - 1454Rule Italy 1947 only - Mar 16 0:00s 1:00 S 1455Rule Italy 1947 only - Oct 5 0:00s 0 - 1456Rule Italy 1948 only - Feb 29 2:00s 1:00 S 1457Rule Italy 1948 only - Oct 3 2:00s 0 - 1458Rule Italy 1966 1968 - May Sun>=22 0:00 1:00 S 1459Rule Italy 1966 1969 - Sep Sun>=22 0:00 0 - 1460Rule Italy 1969 only - Jun 1 0:00 1:00 S 1461Rule Italy 1970 only - May 31 0:00 1:00 S 1462Rule Italy 1970 only - Sep lastSun 0:00 0 - 1463Rule Italy 1971 1972 - May Sun>=22 0:00 1:00 S 1464Rule Italy 1971 only - Sep lastSun 1:00 0 - 1465Rule Italy 1972 only - Oct 1 0:00 0 - 1466Rule Italy 1973 only - Jun 3 0:00 1:00 S 1467Rule Italy 1973 1974 - Sep lastSun 0:00 0 - 1468Rule Italy 1974 only - May 26 0:00 1:00 S 1469Rule Italy 1975 only - Jun 1 0:00s 1:00 S 1470Rule Italy 1975 1977 - Sep lastSun 0:00s 0 - 1471Rule Italy 1976 only - May 30 0:00s 1:00 S 1472Rule Italy 1977 1979 - May Sun>=22 0:00s 1:00 S 1473Rule Italy 1978 only - Oct 1 0:00s 0 - 1474Rule Italy 1979 only - Sep 30 0:00s 0 - 1475# Zone NAME GMTOFF RULES FORMAT [UNTIL] 1476Zone Europe/Rome 0:49:56 - LMT 1866 Sep 22 1477 0:49:56 - RMT 1893 Nov 1 0:00s # Rome Mean 1478 1:00 Italy CE%sT 1942 Nov 2 2:00s 1479 1:00 C-Eur CE%sT 1944 Jul 1480 1:00 Italy CE%sT 1980 1481 1:00 EU CE%sT 1482 1483Link Europe/Rome Europe/Vatican 1484Link Europe/Rome Europe/San_Marino 1485 1486# Latvia 1487 1488# From Liene Kanepe (1998-09-17): 1489 1490# I asked about this matter Scientific Secretary of the Institute of Astronomy 1491# of The University of Latvia Dr. paed Mr. Ilgonis Vilks. I also searched the 1492# correct data in juridical acts and I found some juridical documents about 1493# changes in the counting of time in Latvia from 1981.... 1494# 1495# Act No.35 of the Council of Ministers of Latvian SSR of 1981-01-22 ... 1496# according to the Act No.925 of the Council of Ministers of USSR of 1980-10-24 1497# ...: all year round the time of 2nd time zone + 1 hour, in addition turning 1498# the hands of the clock 1 hour forward on 1 April at 00:00 (GMT 31 March 21:00) 1499# and 1 hour backward on the 1 October at 00:00 (GMT 30 September 20:00). 1500# 1501# Act No.592 of the Council of Ministers of Latvian SSR of 1984-09-24 ... 1502# according to the Act No.967 of the Council of Ministers of USSR of 1984-09-13 1503# ...: all year round the time of 2nd time zone + 1 hour, in addition turning 1504# the hands of the clock 1 hour forward on the last Sunday of March at 02:00 1505# (GMT 23:00 on the previous day) and 1 hour backward on the last Sunday of 1506# September at 03:00 (GMT 23:00 on the previous day). 1507# 1508# Act No.81 of the Council of Ministers of Latvian SSR of 1989-03-22 ... 1509# according to the Act No.227 of the Council of Ministers of USSR of 1989-03-14 1510# ...: since the last Sunday of March 1989 in Lithuanian SSR, Latvian SSR, 1511# Estonian SSR and Kaliningrad region of Russian Federation all year round the 1512# time of 2nd time zone (Moscow time minus one hour). On the territory of Latvia 1513# transition to summer time is performed on the last Sunday of March at 02:00 1514# (GMT 00:00), turning the hands of the clock 1 hour forward. The end of 1515# daylight saving time is performed on the last Sunday of September at 03:00 1516# (GMT 00:00), turning the hands of the clock 1 hour backward. Exception is 1517# 1989-03-26, when we must not turn the hands of the clock.... 1518# 1519# The Regulations of the Cabinet of Ministers of the Republic of Latvia of 1520# 1997-01-21 on transition to Summer time ... established the same order of 1521# daylight savings time settings as in the States of the European Union. 1522 1523# From Andrei Ivanov (2000-03-06): 1524# This year Latvia will not switch to Daylight Savings Time (as specified in 1525# <a href="http://www.lv-laiks.lv/wwwraksti/2000/071072/vd4.htm"> 1526# The Regulations of the Cabinet of Ministers of the Rep. of Latvia of 1527# 29-Feb-2000 (#79)</a>, in Latvian for subscribers only). 1528 1529# <a href="http://www.rferl.org/newsline/2001/01/3-CEE/cee-030101.html"> 1530# From RFE/RL Newsline (2001-01-03), noted after a heads-up by Rives McDow: 1531# </a> 1532# The Latvian government on 2 January decided that the country will 1533# institute daylight-saving time this spring, LETA reported. 1534# Last February the three Baltic states decided not to turn back their 1535# clocks one hour in the spring.... 1536# Minister of Economy Aigars Kalvitis noted that Latvia had too few 1537# daylight hours and thus decided to comply with a draft European 1538# Commission directive that provides for instituting daylight-saving 1539# time in EU countries between 2002 and 2006. The Latvian government 1540# urged Lithuania and Estonia to adopt a similar time policy, but it 1541# appears that they will not do so.... 1542 1543# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 1544Rule Latvia 1989 1996 - Mar lastSun 2:00s 1:00 S 1545Rule Latvia 1989 1996 - Sep lastSun 2:00s 0 - 1546# Zone NAME GMTOFF RULES FORMAT [UNTIL] 1547Zone Europe/Riga 1:36:24 - LMT 1880 1548 1:36:24 - RMT 1918 Apr 15 2:00 #Riga Mean Time 1549 1:36:24 1:00 LST 1918 Sep 16 3:00 #Latvian Summer 1550 1:36:24 - RMT 1919 Apr 1 2:00 1551 1:36:24 1:00 LST 1919 May 22 3:00 1552 1:36:24 - RMT 1926 May 11 1553 2:00 - EET 1940 Aug 5 1554 3:00 - MSK 1941 Jul 1555 1:00 C-Eur CE%sT 1944 Oct 13 1556 3:00 Russia MSK/MSD 1989 Mar lastSun 2:00s 1557 2:00 1:00 EEST 1989 Sep lastSun 2:00s 1558 2:00 Latvia EE%sT 1997 Jan 21 1559 2:00 EU EE%sT 2000 Feb 29 1560 2:00 - EET 2001 Jan 2 1561 2:00 EU EE%sT 1562 1563# Liechtenstein 1564# Zone NAME GMTOFF RULES FORMAT [UNTIL] 1565Zone Europe/Vaduz 0:38:04 - LMT 1894 Jun 1566 1:00 - CET 1981 1567 1:00 EU CE%sT 1568 1569# Lithuania 1570 1571# From Paul Eggert (1996-11-22): 1572# IATA SSIM (1992/1996) says Lithuania uses W-Eur rules, but since it is 1573# known to be wrong about Estonia and Latvia, assume it's wrong here too. 1574 1575# From Marius Gedminas (1998-08-07): 1576# I would like to inform that in this year Lithuanian time zone 1577# (Europe/Vilnius) was changed. 1578 1579# From <a href="http://www.elta.lt/">ELTA</a> No. 972 (2582) (1999-09-29), 1580# via Steffen Thorsen: 1581# Lithuania has shifted back to the second time zone (GMT plus two hours) 1582# to be valid here starting from October 31, 1583# as decided by the national government on Wednesday.... 1584# The Lithuanian government also announced plans to consider a 1585# motion to give up shifting to summer time in spring, as it was 1586# already done by Estonia. 1587 1588# From the <a href="http://www.tourism.lt/informa/ff.htm"> 1589# Fact File, Lithuanian State Department of Tourism 1590# </a> (2000-03-27): Local time is GMT+2 hours ..., no daylight saving. 1591 1592# From a user via Klaus Marten (2003-02-07): 1593# As a candidate for membership of the European Union, Lithuania will 1594# observe Summer Time in 2003, changing its clocks at the times laid 1595# down in EU Directive 2000/84 of 19.I.01 (i.e. at the same times as its 1596# neighbour Latvia). The text of the Lithuanian government Order of 1597# 7.XI.02 to this effect can be found at 1598# http://www.lrvk.lt/nut/11/n1749.htm 1599 1600 1601# Zone NAME GMTOFF RULES FORMAT [UNTIL] 1602Zone Europe/Vilnius 1:41:16 - LMT 1880 1603 1:24:00 - WMT 1917 # Warsaw Mean Time 1604 1:35:36 - KMT 1919 Oct 10 # Kaunas Mean Time 1605 1:00 - CET 1920 Jul 12 1606 2:00 - EET 1920 Oct 9 1607 1:00 - CET 1940 Aug 3 1608 3:00 - MSK 1941 Jun 24 1609 1:00 C-Eur CE%sT 1944 Aug 1610 3:00 Russia MSK/MSD 1991 Mar 31 2:00s 1611 2:00 1:00 EEST 1991 Sep 29 2:00s 1612 2:00 C-Eur EE%sT 1998 1613 2:00 - EET 1998 Mar 29 1:00u 1614 1:00 EU CE%sT 1999 Oct 31 1:00u 1615 2:00 - EET 2003 Jan 1 1616 2:00 EU EE%sT 1617 1618# Luxembourg 1619# Whitman disagrees with most of these dates in minor ways; 1620# go with Shanks & Pottenger. 1621# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 1622Rule Lux 1916 only - May 14 23:00 1:00 S 1623Rule Lux 1916 only - Oct 1 1:00 0 - 1624Rule Lux 1917 only - Apr 28 23:00 1:00 S 1625Rule Lux 1917 only - Sep 17 1:00 0 - 1626Rule Lux 1918 only - Apr Mon>=15 2:00s 1:00 S 1627Rule Lux 1918 only - Sep Mon>=15 2:00s 0 - 1628Rule Lux 1919 only - Mar 1 23:00 1:00 S 1629Rule Lux 1919 only - Oct 5 3:00 0 - 1630Rule Lux 1920 only - Feb 14 23:00 1:00 S 1631Rule Lux 1920 only - Oct 24 2:00 0 - 1632Rule Lux 1921 only - Mar 14 23:00 1:00 S 1633Rule Lux 1921 only - Oct 26 2:00 0 - 1634Rule Lux 1922 only - Mar 25 23:00 1:00 S 1635Rule Lux 1922 only - Oct Sun>=2 1:00 0 - 1636Rule Lux 1923 only - Apr 21 23:00 1:00 S 1637Rule Lux 1923 only - Oct Sun>=2 2:00 0 - 1638Rule Lux 1924 only - Mar 29 23:00 1:00 S 1639Rule Lux 1924 1928 - Oct Sun>=2 1:00 0 - 1640Rule Lux 1925 only - Apr 5 23:00 1:00 S 1641Rule Lux 1926 only - Apr 17 23:00 1:00 S 1642Rule Lux 1927 only - Apr 9 23:00 1:00 S 1643Rule Lux 1928 only - Apr 14 23:00 1:00 S 1644Rule Lux 1929 only - Apr 20 23:00 1:00 S 1645# Zone NAME GMTOFF RULES FORMAT [UNTIL] 1646Zone Europe/Luxembourg 0:24:36 - LMT 1904 Jun 1647 1:00 Lux CE%sT 1918 Nov 25 1648 0:00 Lux WE%sT 1929 Oct 6 2:00s 1649 0:00 Belgium WE%sT 1940 May 14 3:00 1650 1:00 C-Eur WE%sT 1944 Sep 18 3:00 1651 1:00 Belgium CE%sT 1977 1652 1:00 EU CE%sT 1653 1654# Macedonia 1655# see Serbia 1656 1657# Malta 1658# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 1659Rule Malta 1973 only - Mar 31 0:00s 1:00 S 1660Rule Malta 1973 only - Sep 29 0:00s 0 - 1661Rule Malta 1974 only - Apr 21 0:00s 1:00 S 1662Rule Malta 1974 only - Sep 16 0:00s 0 - 1663Rule Malta 1975 1979 - Apr Sun>=15 2:00 1:00 S 1664Rule Malta 1975 1980 - Sep Sun>=15 2:00 0 - 1665Rule Malta 1980 only - Mar 31 2:00 1:00 S 1666# Zone NAME GMTOFF RULES FORMAT [UNTIL] 1667Zone Europe/Malta 0:58:04 - LMT 1893 Nov 2 0:00s # Valletta 1668 1:00 Italy CE%sT 1942 Nov 2 2:00s 1669 1:00 C-Eur CE%sT 1945 Apr 2 2:00s 1670 1:00 Italy CE%sT 1973 Mar 31 1671 1:00 Malta CE%sT 1981 1672 1:00 EU CE%sT 1673 1674# Moldova 1675 1676# From Paul Eggert (2006-03-22): 1677# A previous version of this database followed Shanks & Pottenger, who write 1678# that Tiraspol switched to Moscow time on 1992-01-19 at 02:00. 1679# However, this is most likely an error, as Moldova declared independence 1680# on 1991-08-27 (the 1992-01-19 date is that of a Russian decree). 1681# In early 1992 there was large-scale interethnic violence in the area 1682# and it's possible that some Russophones continued to observe Moscow time. 1683# But [two people] separately reported via 1684# Jesper Norgaard that as of 2001-01-24 Tiraspol was like Chisinau. 1685# The Tiraspol entry has therefore been removed for now. 1686# 1687# From Alexander Krivenyshev (2011-10-17): 1688# Pridnestrovian Moldavian Republic (PMR, also known as 1689# "Pridnestrovie") has abolished seasonal clock change (no transition 1690# to the Winter Time). 1691# 1692# News (in Russian): 1693# <a href="http://www.kyivpost.ua/russia/news/pridnestrove-otkazalos-ot-perehoda-na-zimnee-vremya-30954.html"> 1694# http://www.kyivpost.ua/russia/news/pridnestrove-otkazalos-ot-perehoda-na-zimnee-vremya-30954.html 1695# </a> 1696# 1697# <a href="http://www.allmoldova.com/moldova-news/1249064116.html"> 1698# http://www.allmoldova.com/moldova-news/1249064116.html 1699# </a> 1700# 1701# The substance of this change (reinstatement of the Tiraspol entry) 1702# is from a patch from Petr Machata (2011-10-17) 1703# 1704# From Tim Parenti (2011-10-19) 1705# In addition, being situated at +4651+2938 would give Tiraspol 1706# a pre-1880 LMT offset of 1:58:32. 1707# 1708# (which agrees with the earlier entry that had been removed) 1709# 1710# From Alexander Krivenyshev (2011-10-26) 1711# NO need to divide Moldova into two timezones at this point. 1712# As of today, Transnistria (Pridnestrovie)- Tiraspol reversed its own 1713# decision to abolish DST this winter. 1714# Following Moldova and neighboring Ukraine- Transnistria (Pridnestrovie)- 1715# Tiraspol will go back to winter time on October 30, 2011. 1716# News from Moldova (in russian): 1717# <a href="http://ru.publika.md/link_317061.html"> 1718# http://ru.publika.md/link_317061.html 1719# </a> 1720 1721 1722# Zone NAME GMTOFF RULES FORMAT [UNTIL] 1723Zone Europe/Chisinau 1:55:20 - LMT 1880 1724 1:55 - CMT 1918 Feb 15 # Chisinau MT 1725 1:44:24 - BMT 1931 Jul 24 # Bucharest MT 1726 2:00 Romania EE%sT 1940 Aug 15 1727 2:00 1:00 EEST 1941 Jul 17 1728 1:00 C-Eur CE%sT 1944 Aug 24 1729 3:00 Russia MSK/MSD 1990 1730 3:00 - MSK 1990 May 6 1731 2:00 - EET 1991 1732 2:00 Russia EE%sT 1992 1733 2:00 E-Eur EE%sT 1997 1734# See Romania commentary for the guessed 1997 transition to EU rules. 1735 2:00 EU EE%sT 1736 1737# Monaco 1738# Shanks & Pottenger give 0:09:20 for Paris Mean Time; go with Howse's 1739# more precise 0:09:21. 1740# Zone NAME GMTOFF RULES FORMAT [UNTIL] 1741Zone Europe/Monaco 0:29:32 - LMT 1891 Mar 15 1742 0:09:21 - PMT 1911 Mar 11 # Paris Mean Time 1743 0:00 France WE%sT 1945 Sep 16 3:00 1744 1:00 France CE%sT 1977 1745 1:00 EU CE%sT 1746 1747# Montenegro 1748# see Serbia 1749 1750# Netherlands 1751 1752# Howse writes that the Netherlands' railways used GMT between 1892 and 1940, 1753# but for other purposes the Netherlands used Amsterdam mean time. 1754 1755# However, Robert H. van Gent writes (2001-04-01): 1756# Howse's statement is only correct up to 1909. From 1909-05-01 (00:00:00 1757# Amsterdam mean time) onwards, the whole of the Netherlands (including 1758# the Dutch railways) was required by law to observe Amsterdam mean time 1759# (19 minutes 32.13 seconds ahead of GMT). This had already been the 1760# common practice (except for the railways) for many decades but it was 1761# not until 1909 when the Dutch government finally defined this by law. 1762# On 1937-07-01 this was changed to 20 minutes (exactly) ahead of GMT and 1763# was generally known as Dutch Time ("Nederlandse Tijd"). 1764# 1765# (2001-04-08): 1766# 1892-05-01 was the date when the Dutch railways were by law required to 1767# observe GMT while the remainder of the Netherlands adhered to the common 1768# practice of following Amsterdam mean time. 1769# 1770# (2001-04-09): 1771# In 1835 the authorities of the province of North Holland requested the 1772# municipal authorities of the towns and cities in the province to observe 1773# Amsterdam mean time but I do not know in how many cases this request was 1774# actually followed. 1775# 1776# From 1852 onwards the Dutch telegraph offices were by law required to 1777# observe Amsterdam mean time. As the time signals from the observatory of 1778# Leiden were also distributed by the telegraph system, I assume that most 1779# places linked up with the telegraph (and railway) system automatically 1780# adopted Amsterdam mean time. 1781# 1782# Although the early Dutch railway companies initially observed a variety 1783# of times, most of them had adopted Amsterdam mean time by 1858 but it 1784# was not until 1866 when they were all required by law to observe 1785# Amsterdam mean time. 1786 1787# The data before 1945 are taken from 1788# <http://www.phys.uu.nl/~vgent/wettijd/wettijd.htm>. 1789 1790# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 1791Rule Neth 1916 only - May 1 0:00 1:00 NST # Netherlands Summer Time 1792Rule Neth 1916 only - Oct 1 0:00 0 AMT # Amsterdam Mean Time 1793Rule Neth 1917 only - Apr 16 2:00s 1:00 NST 1794Rule Neth 1917 only - Sep 17 2:00s 0 AMT 1795Rule Neth 1918 1921 - Apr Mon>=1 2:00s 1:00 NST 1796Rule Neth 1918 1921 - Sep lastMon 2:00s 0 AMT 1797Rule Neth 1922 only - Mar lastSun 2:00s 1:00 NST 1798Rule Neth 1922 1936 - Oct Sun>=2 2:00s 0 AMT 1799Rule Neth 1923 only - Jun Fri>=1 2:00s 1:00 NST 1800Rule Neth 1924 only - Mar lastSun 2:00s 1:00 NST 1801Rule Neth 1925 only - Jun Fri>=1 2:00s 1:00 NST 1802# From 1926 through 1939 DST began 05-15, except that it was delayed by a week 1803# in years when 05-15 fell in the Pentecost weekend. 1804Rule Neth 1926 1931 - May 15 2:00s 1:00 NST 1805Rule Neth 1932 only - May 22 2:00s 1:00 NST 1806Rule Neth 1933 1936 - May 15 2:00s 1:00 NST 1807Rule Neth 1937 only - May 22 2:00s 1:00 NST 1808Rule Neth 1937 only - Jul 1 0:00 1:00 S 1809Rule Neth 1937 1939 - Oct Sun>=2 2:00s 0 - 1810Rule Neth 1938 1939 - May 15 2:00s 1:00 S 1811Rule Neth 1945 only - Apr 2 2:00s 1:00 S 1812Rule Neth 1945 only - Sep 16 2:00s 0 - 1813# 1814# Amsterdam Mean Time was +00:19:32.13 exactly, but the .13 is omitted 1815# below because the current format requires GMTOFF to be an integer. 1816# Zone NAME GMTOFF RULES FORMAT [UNTIL] 1817Zone Europe/Amsterdam 0:19:32 - LMT 1835 1818 0:19:32 Neth %s 1937 Jul 1 1819 0:20 Neth NE%sT 1940 May 16 0:00 # Dutch Time 1820 1:00 C-Eur CE%sT 1945 Apr 2 2:00 1821 1:00 Neth CE%sT 1977 1822 1:00 EU CE%sT 1823 1824# Norway 1825# http://met.no/met/met_lex/q_u/sommertid.html (2004-01) agrees with Shanks & 1826# Pottenger. 1827# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 1828Rule Norway 1916 only - May 22 1:00 1:00 S 1829Rule Norway 1916 only - Sep 30 0:00 0 - 1830Rule Norway 1945 only - Apr 2 2:00s 1:00 S 1831Rule Norway 1945 only - Oct 1 2:00s 0 - 1832Rule Norway 1959 1964 - Mar Sun>=15 2:00s 1:00 S 1833Rule Norway 1959 1965 - Sep Sun>=15 2:00s 0 - 1834Rule Norway 1965 only - Apr 25 2:00s 1:00 S 1835# Zone NAME GMTOFF RULES FORMAT [UNTIL] 1836Zone Europe/Oslo 0:43:00 - LMT 1895 Jan 1 1837 1:00 Norway CE%sT 1940 Aug 10 23:00 1838 1:00 C-Eur CE%sT 1945 Apr 2 2:00 1839 1:00 Norway CE%sT 1980 1840 1:00 EU CE%sT 1841 1842# Svalbard & Jan Mayen 1843 1844# From Steffen Thorsen (2001-05-01): 1845# Although I could not find it explicitly, it seems that Jan Mayen and 1846# Svalbard have been using the same time as Norway at least since the 1847# time they were declared as parts of Norway. Svalbard was declared 1848# as a part of Norway by law of 1925-07-17 no 11, section 4 and Jan 1849# Mayen by law of 1930-02-27 no 2, section 2. (From 1850# http://www.lovdata.no/all/nl-19250717-011.html and 1851# http://www.lovdata.no/all/nl-19300227-002.html). The law/regulation 1852# for normal/standard time in Norway is from 1894-06-29 no 1 (came 1853# into operation on 1895-01-01) and Svalbard/Jan Mayen seem to be a 1854# part of this law since 1925/1930. (From 1855# http://www.lovdata.no/all/nl-18940629-001.html ) I have not been 1856# able to find if Jan Mayen used a different time zone (e.g. -0100) 1857# before 1930. Jan Mayen has only been "inhabitated" since 1921 by 1858# Norwegian meteorologists and maybe used the same time as Norway ever 1859# since 1921. Svalbard (Arctic/Longyearbyen) has been inhabited since 1860# before 1895, and therefore probably changed the local time somewhere 1861# between 1895 and 1925 (inclusive). 1862 1863# From Paul Eggert (2001-05-01): 1864# 1865# Actually, Jan Mayen was never occupied by Germany during World War II, 1866# so it must have diverged from Oslo time during the war, as Oslo was 1867# keeping Berlin time. 1868# 1869# <http://home.no.net/janmayen/history.htm> says that the meteorologists 1870# burned down their station in 1940 and left the island, but returned in 1871# 1941 with a small Norwegian garrison and continued operations despite 1872# frequent air ttacks from Germans. In 1943 the Americans established a 1873# radiolocating station on the island, called "Atlantic City". Possibly 1874# the UTC offset changed during the war, but I think it unlikely that 1875# Jan Mayen used German daylight-saving rules. 1876# 1877# Svalbard is more complicated, as it was raided in August 1941 by an 1878# Allied party that evacuated the civilian population to England (says 1879# <http://www.bartleby.com/65/sv/Svalbard.html>). The Svalbard FAQ 1880# <http://www.svalbard.com/SvalbardFAQ.html> says that the Germans were 1881# expelled on 1942-05-14. However, small parties of Germans did return, 1882# and according to Wilhelm Dege's book "War North of 80" (1954) 1883# <http://www.ucalgary.ca/UofC/departments/UP/1-55238/1-55238-110-2.html> 1884# the German armed forces at the Svalbard weather station code-named 1885# Haudegen did not surrender to the Allies until September 1945. 1886# 1887# All these events predate our cutoff date of 1970. Unless we can 1888# come up with more definitive info about the timekeeping during the 1889# war years it's probably best just do...the following for now: 1890Link Europe/Oslo Arctic/Longyearbyen 1891 1892# Poland 1893# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 1894Rule Poland 1918 1919 - Sep 16 2:00s 0 - 1895Rule Poland 1919 only - Apr 15 2:00s 1:00 S 1896Rule Poland 1944 only - Apr 3 2:00s 1:00 S 1897# Whitman gives 1944 Nov 30; go with Shanks & Pottenger. 1898Rule Poland 1944 only - Oct 4 2:00 0 - 1899# For 1944-1948 Whitman gives the previous day; go with Shanks & Pottenger. 1900Rule Poland 1945 only - Apr 29 0:00 1:00 S 1901Rule Poland 1945 only - Nov 1 0:00 0 - 1902# For 1946 on the source is Kazimierz Borkowski, 1903# Torun Center for Astronomy, Dept. of Radio Astronomy, Nicolaus Copernicus U., 1904# <http://www.astro.uni.torun.pl/~kb/Artykuly/U-PA/Czas2.htm#tth_tAb1> 1905# Thanks to Przemyslaw Augustyniak (2005-05-28) for this reference. 1906# He also gives these further references: 1907# Mon Pol nr 13, poz 162 (1995) <http://www.abc.com.pl/serwis/mp/1995/0162.htm> 1908# Druk nr 2180 (2003) <http://www.senat.gov.pl/k5/dok/sejm/053/2180.pdf> 1909Rule Poland 1946 only - Apr 14 0:00s 1:00 S 1910Rule Poland 1946 only - Oct 7 2:00s 0 - 1911Rule Poland 1947 only - May 4 2:00s 1:00 S 1912Rule Poland 1947 1949 - Oct Sun>=1 2:00s 0 - 1913Rule Poland 1948 only - Apr 18 2:00s 1:00 S 1914Rule Poland 1949 only - Apr 10 2:00s 1:00 S 1915Rule Poland 1957 only - Jun 2 1:00s 1:00 S 1916Rule Poland 1957 1958 - Sep lastSun 1:00s 0 - 1917Rule Poland 1958 only - Mar 30 1:00s 1:00 S 1918Rule Poland 1959 only - May 31 1:00s 1:00 S 1919Rule Poland 1959 1961 - Oct Sun>=1 1:00s 0 - 1920Rule Poland 1960 only - Apr 3 1:00s 1:00 S 1921Rule Poland 1961 1964 - May lastSun 1:00s 1:00 S 1922Rule Poland 1962 1964 - Sep lastSun 1:00s 0 - 1923# Zone NAME GMTOFF RULES FORMAT [UNTIL] 1924Zone Europe/Warsaw 1:24:00 - LMT 1880 1925 1:24:00 - WMT 1915 Aug 5 # Warsaw Mean Time 1926 1:00 C-Eur CE%sT 1918 Sep 16 3:00 1927 2:00 Poland EE%sT 1922 Jun 1928 1:00 Poland CE%sT 1940 Jun 23 2:00 1929 1:00 C-Eur CE%sT 1944 Oct 1930 1:00 Poland CE%sT 1977 1931 1:00 W-Eur CE%sT 1988 1932 1:00 EU CE%sT 1933 1934# Portugal 1935# 1936# From Rui Pedro Salgueiro (1992-11-12): 1937# Portugal has recently (September, 27) changed timezone 1938# (from WET to MET or CET) to harmonize with EEC. 1939# 1940# Martin Bruckmann (1996-02-29) reports via Peter Ilieve 1941# that Portugal is reverting to 0:00 by not moving its clocks this spring. 1942# The new Prime Minister was fed up with getting up in the dark in the winter. 1943# 1944# From Paul Eggert (1996-11-12): 1945# IATA SSIM (1991-09) reports several 1991-09 and 1992-09 transitions 1946# at 02:00u, not 01:00u. Assume that these are typos. 1947# IATA SSIM (1991/1992) reports that the Azores were at -1:00. 1948# IATA SSIM (1993-02) says +0:00; later issues (through 1996-09) say -1:00. 1949# Guess that the Azores changed to EU rules in 1992 (since that's when Portugal 1950# harmonized with the EU), and that they stayed +0:00 that winter. 1951# 1952# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 1953# DSH writes that despite Decree 1,469 (1915), the change to the clocks was not 1954# done every year, depending on what Spain did, because of railroad schedules. 1955# Go with Shanks & Pottenger. 1956Rule Port 1916 only - Jun 17 23:00 1:00 S 1957# Whitman gives 1916 Oct 31; go with Shanks & Pottenger. 1958Rule Port 1916 only - Nov 1 1:00 0 - 1959Rule Port 1917 only - Feb 28 23:00s 1:00 S 1960Rule Port 1917 1921 - Oct 14 23:00s 0 - 1961Rule Port 1918 only - Mar 1 23:00s 1:00 S 1962Rule Port 1919 only - Feb 28 23:00s 1:00 S 1963Rule Port 1920 only - Feb 29 23:00s 1:00 S 1964Rule Port 1921 only - Feb 28 23:00s 1:00 S 1965Rule Port 1924 only - Apr 16 23:00s 1:00 S 1966Rule Port 1924 only - Oct 14 23:00s 0 - 1967Rule Port 1926 only - Apr 17 23:00s 1:00 S 1968Rule Port 1926 1929 - Oct Sat>=1 23:00s 0 - 1969Rule Port 1927 only - Apr 9 23:00s 1:00 S 1970Rule Port 1928 only - Apr 14 23:00s 1:00 S 1971Rule Port 1929 only - Apr 20 23:00s 1:00 S 1972Rule Port 1931 only - Apr 18 23:00s 1:00 S 1973# Whitman gives 1931 Oct 8; go with Shanks & Pottenger. 1974Rule Port 1931 1932 - Oct Sat>=1 23:00s 0 - 1975Rule Port 1932 only - Apr 2 23:00s 1:00 S 1976Rule Port 1934 only - Apr 7 23:00s 1:00 S 1977# Whitman gives 1934 Oct 5; go with Shanks & Pottenger. 1978Rule Port 1934 1938 - Oct Sat>=1 23:00s 0 - 1979# Shanks & Pottenger give 1935 Apr 30; go with Whitman. 1980Rule Port 1935 only - Mar 30 23:00s 1:00 S 1981Rule Port 1936 only - Apr 18 23:00s 1:00 S 1982# Whitman gives 1937 Apr 2; go with Shanks & Pottenger. 1983Rule Port 1937 only - Apr 3 23:00s 1:00 S 1984Rule Port 1938 only - Mar 26 23:00s 1:00 S 1985Rule Port 1939 only - Apr 15 23:00s 1:00 S 1986# Whitman gives 1939 Oct 7; go with Shanks & Pottenger. 1987Rule Port 1939 only - Nov 18 23:00s 0 - 1988Rule Port 1940 only - Feb 24 23:00s 1:00 S 1989# Shanks & Pottenger give 1940 Oct 7; go with Whitman. 1990Rule Port 1940 1941 - Oct 5 23:00s 0 - 1991Rule Port 1941 only - Apr 5 23:00s 1:00 S 1992Rule Port 1942 1945 - Mar Sat>=8 23:00s 1:00 S 1993Rule Port 1942 only - Apr 25 22:00s 2:00 M # Midsummer 1994Rule Port 1942 only - Aug 15 22:00s 1:00 S 1995Rule Port 1942 1945 - Oct Sat>=24 23:00s 0 - 1996Rule Port 1943 only - Apr 17 22:00s 2:00 M 1997Rule Port 1943 1945 - Aug Sat>=25 22:00s 1:00 S 1998Rule Port 1944 1945 - Apr Sat>=21 22:00s 2:00 M 1999Rule Port 1946 only - Apr Sat>=1 23:00s 1:00 S 2000Rule Port 1946 only - Oct Sat>=1 23:00s 0 - 2001Rule Port 1947 1949 - Apr Sun>=1 2:00s 1:00 S 2002Rule Port 1947 1949 - Oct Sun>=1 2:00s 0 - 2003# Shanks & Pottenger say DST was observed in 1950; go with Whitman. 2004# Whitman gives Oct lastSun for 1952 on; go with Shanks & Pottenger. 2005Rule Port 1951 1965 - Apr Sun>=1 2:00s 1:00 S 2006Rule Port 1951 1965 - Oct Sun>=1 2:00s 0 - 2007Rule Port 1977 only - Mar 27 0:00s 1:00 S 2008Rule Port 1977 only - Sep 25 0:00s 0 - 2009Rule Port 1978 1979 - Apr Sun>=1 0:00s 1:00 S 2010Rule Port 1978 only - Oct 1 0:00s 0 - 2011Rule Port 1979 1982 - Sep lastSun 1:00s 0 - 2012Rule Port 1980 only - Mar lastSun 0:00s 1:00 S 2013Rule Port 1981 1982 - Mar lastSun 1:00s 1:00 S 2014Rule Port 1983 only - Mar lastSun 2:00s 1:00 S 2015# Zone NAME GMTOFF RULES FORMAT [UNTIL] 2016# Shanks & Pottenger say the transition from LMT to WET occurred 1911-05-24; 2017# Willett says 1912-01-01. Go with Willett. 2018Zone Europe/Lisbon -0:36:32 - LMT 1884 2019 -0:36:32 - LMT 1912 Jan 1 # Lisbon Mean Time 2020 0:00 Port WE%sT 1966 Apr 3 2:00 2021 1:00 - CET 1976 Sep 26 1:00 2022 0:00 Port WE%sT 1983 Sep 25 1:00s 2023 0:00 W-Eur WE%sT 1992 Sep 27 1:00s 2024 1:00 EU CE%sT 1996 Mar 31 1:00u 2025 0:00 EU WE%sT 2026Zone Atlantic/Azores -1:42:40 - LMT 1884 # Ponta Delgada 2027 -1:54:32 - HMT 1911 May 24 # Horta Mean Time 2028 -2:00 Port AZO%sT 1966 Apr 3 2:00 # Azores Time 2029 -1:00 Port AZO%sT 1983 Sep 25 1:00s 2030 -1:00 W-Eur AZO%sT 1992 Sep 27 1:00s 2031 0:00 EU WE%sT 1993 Mar 28 1:00u 2032 -1:00 EU AZO%sT 2033Zone Atlantic/Madeira -1:07:36 - LMT 1884 # Funchal 2034 -1:07:36 - FMT 1911 May 24 # Funchal Mean Time 2035 -1:00 Port MAD%sT 1966 Apr 3 2:00 # Madeira Time 2036 0:00 Port WE%sT 1983 Sep 25 1:00s 2037 0:00 EU WE%sT 2038 2039# Romania 2040# 2041# From Paul Eggert (1999-10-07): 2042# <a href="http://www.nineoclock.ro/POL/1778pol.html"> 2043# Nine O'clock</a> (1998-10-23) reports that the switch occurred at 2044# 04:00 local time in fall 1998. For lack of better info, 2045# assume that Romania and Moldova switched to EU rules in 1997, 2046# the same year as Bulgaria. 2047# 2048# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 2049Rule Romania 1932 only - May 21 0:00s 1:00 S 2050Rule Romania 1932 1939 - Oct Sun>=1 0:00s 0 - 2051Rule Romania 1933 1939 - Apr Sun>=2 0:00s 1:00 S 2052Rule Romania 1979 only - May 27 0:00 1:00 S 2053Rule Romania 1979 only - Sep lastSun 0:00 0 - 2054Rule Romania 1980 only - Apr 5 23:00 1:00 S 2055Rule Romania 1980 only - Sep lastSun 1:00 0 - 2056Rule Romania 1991 1993 - Mar lastSun 0:00s 1:00 S 2057Rule Romania 1991 1993 - Sep lastSun 0:00s 0 - 2058# Zone NAME GMTOFF RULES FORMAT [UNTIL] 2059Zone Europe/Bucharest 1:44:24 - LMT 1891 Oct 2060 1:44:24 - BMT 1931 Jul 24 # Bucharest MT 2061 2:00 Romania EE%sT 1981 Mar 29 2:00s 2062 2:00 C-Eur EE%sT 1991 2063 2:00 Romania EE%sT 1994 2064 2:00 E-Eur EE%sT 1997 2065 2:00 EU EE%sT 2066 2067# Russia 2068 2069# From Alexander Krivenyshev (2011-09-15): 2070# Based on last Russian Government Decree # 725 on August 31, 2011 2071# (Government document 2072# <a href="http://www.government.ru/gov/results/16355/print/"> 2073# http://www.government.ru/gov/results/16355/print/ 2074# </a> 2075# in Russian) 2076# there are few corrections have to be made for some Russian time zones... 2077# All updated Russian Time Zones were placed in table and translated to English 2078# by WorldTimeZone.com at the link below: 2079# <a href="http://www.worldtimezone.com/dst_news/dst_news_russia36.htm"> 2080# http://www.worldtimezone.com/dst_news/dst_news_russia36.htm 2081# </a> 2082 2083# From Sanjeev Gupta (2011-09-27): 2084# Scans of [Decree #23 of January 8, 1992] are available at: 2085# <a href="http://government.consultant.ru/page.aspx?1223966"> 2086# http://government.consultant.ru/page.aspx?1223966 2087# They are in Cyrillic letters (presumably Russian). 2088 2089# From Arthur David Olson (2012-05-09): 2090# Regarding the instant when clocks in time-zone-shifting parts of Russia 2091# changed in September 2011: 2092# 2093# One source is 2094# < a href="http://government.ru/gov/results/16355/> 2095# http://government.ru/gov/results/16355/ 2096# </a> 2097# which, according to translate.google.com, begins "Decree of August 31, 2098# 2011 No 725" and contains no other dates or "effective date" information. 2099# 2100# Another source is 2101# <a href="http://www.rg.ru/2011/09/06/chas-zona-dok.html"> 2102# http://www.rg.ru/2011/09/06/chas-zona-dok.html 2103# </a> 2104# which, according to translate.google.com, begins "Resolution of the 2105# Government of the Russian Federation on August 31, 2011 N 725" and also 2106# contains "Date first official publication: September 6, 2011 Posted on: 2107# in the 'RG' - Federal Issue number 5573 September 6, 2011" but which 2108# does not contain any "effective date" information. 2109# 2110# Another source is 2111# <a href="http://en.wikipedia.org/wiki/Oymyakonsky_District#cite_note-RuTime-7"> 2112# http://en.wikipedia.org/wiki/Oymyakonsky_District#cite_note-RuTime-7 2113# </a> 2114# which, in note 8, contains "Resolution #725 of August 31, 2011... 2115# Effective as of after 7 days following the day of the official publication" 2116# but which does not contain any reference to September 6, 2011. 2117# 2118# The Wikipedia article refers to 2119# <a href="http://base.consultant.ru/cons/cgi/online.cgi?req=doc;base=LAW;n=118896"> 2120# http://base.consultant.ru/cons/cgi/online.cgi?req=doc;base=LAW;n=118896 2121# </a> 2122# which seems to copy the text of the government.ru page. 2123# 2124# Tobias Conradi combines Wikipedia's 2125# "as of after 7 days following the day of the official publication" 2126# with www.rg.ru's "Date of first official publication: September 6, 2011" to get 2127# September 13, 2011 as the cutover date (unusually, a Tuesday, as Tobias Conradi notes). 2128# 2129# None of the sources indicates a time of day for changing clocks. 2130# 2131# Go with 2011-09-13 0:00s. 2132 2133# From Paul Eggert (2006-03-22): 2134# Except for Moscow after 1919-07-01, I invented the time zone abbreviations. 2135# Moscow time zone abbreviations after 1919-07-01, and Moscow rules after 1991, 2136# are from Andrey A. Chernov. The rest is from Shanks & Pottenger, 2137# except we follow Chernov's report that 1992 DST transitions were Sat 2138# 23:00, not Sun 02:00s. 2139# 2140# From Stanislaw A. Kuzikowski (1994-06-29): 2141# But now it is some months since Novosibirsk is 3 hours ahead of Moscow! 2142# I do not know why they have decided to make this change; 2143# as far as I remember it was done exactly during winter->summer switching 2144# so we (Novosibirsk) simply did not switch. 2145# 2146# From Andrey A. Chernov (1996-10-04): 2147# `MSK' and `MSD' were born and used initially on Moscow computers with 2148# UNIX-like OSes by several developer groups (e.g. Demos group, Kiae group).... 2149# The next step was the UUCP network, the Relcom predecessor 2150# (used mainly for mail), and MSK/MSD was actively used there. 2151# 2152# From Chris Carrier (1996-10-30): 2153# According to a friend of mine who rode the Trans-Siberian Railroad from 2154# Moscow to Irkutsk in 1995, public air and rail transport in Russia ... 2155# still follows Moscow time, no matter where in Russia it is located. 2156# 2157# For Grozny, Chechnya, we have the following story from 2158# John Daniszewski, "Scavengers in the Rubble", Los Angeles Times (2001-02-07): 2159# News--often false--is spread by word of mouth. A rumor that it was 2160# time to move the clocks back put this whole city out of sync with 2161# the rest of Russia for two weeks--even soldiers stationed here began 2162# enforcing curfew at the wrong time. 2163# 2164# From Gwillim Law (2001-06-05): 2165# There's considerable evidence that Sakhalin Island used to be in 2166# UTC+11, and has changed to UTC+10, in this decade. I start with the 2167# SSIM, which listed Yuzhno-Sakhalinsk in zone RU10 along with Magadan 2168# until February 1997, and then in RU9 with Khabarovsk and Vladivostok 2169# since September 1997.... Although the Kuril Islands are 2170# administratively part of Sakhalin oblast', they appear to have 2171# remained on UTC+11 along with Magadan. 2172# 2173# Zone NAME GMTOFF RULES FORMAT [UNTIL] 2174# 2175# Kaliningradskaya oblast'. 2176Zone Europe/Kaliningrad 1:22:00 - LMT 1893 Apr 2177 1:00 C-Eur CE%sT 1945 2178 2:00 Poland CE%sT 1946 2179 3:00 Russia MSK/MSD 1991 Mar 31 2:00s 2180 2:00 Russia EE%sT 2011 Mar 27 2:00s 2181 3:00 - FET # Further-eastern European Time 2182# 2183# From Oscar van Vlijmen (2001-08-25): [This region consists of] 2184# Respublika Adygeya, Arkhangel'skaya oblast', 2185# Belgorodskaya oblast', Bryanskaya oblast', Vladimirskaya oblast', 2186# Vologodskaya oblast', Voronezhskaya oblast', 2187# Respublika Dagestan, Ivanovskaya oblast', Respublika Ingushetiya, 2188# Kabarbino-Balkarskaya Respublika, Respublika Kalmykiya, 2189# Kalyzhskaya oblast', Respublika Karachaevo-Cherkessiya, 2190# Respublika Kareliya, Respublika Komi, 2191# Kostromskaya oblast', Krasnodarskij kraj, Kurskaya oblast', 2192# Leningradskaya oblast', Lipetskaya oblast', Respublika Marij El, 2193# Respublika Mordoviya, Moskva, Moskovskaya oblast', 2194# Murmanskaya oblast', Nenetskij avtonomnyj okrug, 2195# Nizhegorodskaya oblast', Novgorodskaya oblast', Orlovskaya oblast', 2196# Penzenskaya oblast', Pskovskaya oblast', Rostovskaya oblast', 2197# Ryazanskaya oblast', Sankt-Peterburg, 2198# Respublika Severnaya Osetiya, Smolenskaya oblast', 2199# Stavropol'skij kraj, Tambovskaya oblast', Respublika Tatarstan, 2200# Tverskaya oblast', Tyl'skaya oblast', Ul'yanovskaya oblast', 2201# Chechenskaya Respublika, Chuvashskaya oblast', 2202# Yaroslavskaya oblast' 2203Zone Europe/Moscow 2:30:20 - LMT 1880 2204 2:30 - MMT 1916 Jul 3 # Moscow Mean Time 2205 2:30:48 Russia %s 1919 Jul 1 2:00 2206 3:00 Russia MSK/MSD 1922 Oct 2207 2:00 - EET 1930 Jun 21 2208 3:00 Russia MSK/MSD 1991 Mar 31 2:00s 2209 2:00 Russia EE%sT 1992 Jan 19 2:00s 2210 3:00 Russia MSK/MSD 2011 Mar 27 2:00s 2211 4:00 - MSK 2212# 2213# Astrakhanskaya oblast', Kirovskaya oblast', Saratovskaya oblast', 2214# Volgogradskaya oblast'. Shanks & Pottenger say Kirov is still at +0400 2215# but Wikipedia (2006-05-09) says +0300. Perhaps it switched after the 2216# others? But we have no data. 2217Zone Europe/Volgograd 2:57:40 - LMT 1920 Jan 3 2218 3:00 - TSAT 1925 Apr 6 # Tsaritsyn Time 2219 3:00 - STAT 1930 Jun 21 # Stalingrad Time 2220 4:00 - STAT 1961 Nov 11 2221 4:00 Russia VOL%sT 1989 Mar 26 2:00s # Volgograd T 2222 3:00 Russia VOL%sT 1991 Mar 31 2:00s 2223 4:00 - VOLT 1992 Mar 29 2:00s 2224 3:00 Russia VOL%sT 2011 Mar 27 2:00s 2225 4:00 - VOLT 2226# 2227# From Oscar van Vlijmen (2001-08-25): [This region consists of] 2228# Samarskaya oblast', Udmyrtskaya respublika 2229Zone Europe/Samara 3:20:36 - LMT 1919 Jul 1 2:00 2230 3:00 - SAMT 1930 Jun 21 2231 4:00 - SAMT 1935 Jan 27 2232 4:00 Russia KUY%sT 1989 Mar 26 2:00s # Kuybyshev 2233 3:00 Russia KUY%sT 1991 Mar 31 2:00s 2234 2:00 Russia KUY%sT 1991 Sep 29 2:00s 2235 3:00 - KUYT 1991 Oct 20 3:00 2236 4:00 Russia SAM%sT 2010 Mar 28 2:00s # Samara Time 2237 3:00 Russia SAM%sT 2011 Mar 27 2:00s 2238 4:00 - SAMT 2239 2240# 2241# From Oscar van Vlijmen (2001-08-25): [This region consists of] 2242# Respublika Bashkortostan, Komi-Permyatskij avtonomnyj okrug, 2243# Kurganskaya oblast', Orenburgskaya oblast', Permskaya oblast', 2244# Sverdlovskaya oblast', Tyumenskaya oblast', 2245# Khanty-Manskijskij avtonomnyj okrug, Chelyabinskaya oblast', 2246# Yamalo-Nenetskij avtonomnyj okrug. 2247Zone Asia/Yekaterinburg 4:02:24 - LMT 1919 Jul 15 4:00 2248 4:00 - SVET 1930 Jun 21 # Sverdlovsk Time 2249 5:00 Russia SVE%sT 1991 Mar 31 2:00s 2250 4:00 Russia SVE%sT 1992 Jan 19 2:00s 2251 5:00 Russia YEK%sT 2011 Mar 27 2:00s 2252 6:00 - YEKT # Yekaterinburg Time 2253# 2254# From Oscar van Vlijmen (2001-08-25): [This region consists of] 2255# Respublika Altaj, Altajskij kraj, Omskaya oblast'. 2256Zone Asia/Omsk 4:53:36 - LMT 1919 Nov 14 2257 5:00 - OMST 1930 Jun 21 # Omsk TIme 2258 6:00 Russia OMS%sT 1991 Mar 31 2:00s 2259 5:00 Russia OMS%sT 1992 Jan 19 2:00s 2260 6:00 Russia OMS%sT 2011 Mar 27 2:00s 2261 7:00 - OMST 2262# 2263# From Paul Eggert (2006-08-19): I'm guessing about Tomsk here; it's 2264# not clear when it switched from +7 to +6. 2265# Novosibirskaya oblast', Tomskaya oblast'. 2266Zone Asia/Novosibirsk 5:31:40 - LMT 1919 Dec 14 6:00 2267 6:00 - NOVT 1930 Jun 21 # Novosibirsk Time 2268 7:00 Russia NOV%sT 1991 Mar 31 2:00s 2269 6:00 Russia NOV%sT 1992 Jan 19 2:00s 2270 7:00 Russia NOV%sT 1993 May 23 # say Shanks & P. 2271 6:00 Russia NOV%sT 2011 Mar 27 2:00s 2272 7:00 - NOVT 2273 2274# From Alexander Krivenyshev (2009-10-13): 2275# Kemerovo oblast' (Kemerovo region) in Russia will change current time zone on 2276# March 28, 2010: 2277# from current Russia Zone 6 - Krasnoyarsk Time Zone (KRA) UTC +0700 2278# to Russia Zone 5 - Novosibirsk Time Zone (NOV) UTC +0600 2279# 2280# This is according to Government of Russia decree # 740, on September 2281# 14, 2009 "Application in the territory of the Kemerovo region the Fifth 2282# time zone." ("Russia Zone 5" or old "USSR Zone 5" is GMT +0600) 2283# 2284# Russian Government web site (Russian language) 2285# <a href="http://www.government.ru/content/governmentactivity/rfgovernmentdecisions/archiv"> 2286# http://www.government.ru/content/governmentactivity/rfgovernmentdecisions/archive/2009/09/14/991633.htm 2287# </a> 2288# or Russian-English translation by WorldTimeZone.com with reference 2289# map to local region and new Russia Time Zone map after March 28, 2010 2290# <a href="http://www.worldtimezone.com/dst_news/dst_news_russia03.html"> 2291# http://www.worldtimezone.com/dst_news/dst_news_russia03.html 2292# </a> 2293# 2294# Thus, when Russia will switch to DST on the night of March 28, 2010 2295# Kemerovo region (Kemerovo oblast') will not change the clock. 2296# 2297# As a result, Kemerovo oblast' will be in the same time zone as 2298# Novosibirsk, Omsk, Tomsk, Barnaul and Altai Republic. 2299 2300Zone Asia/Novokuznetsk 5:48:48 - NMT 1920 Jan 6 2301 6:00 - KRAT 1930 Jun 21 # Krasnoyarsk Time 2302 7:00 Russia KRA%sT 1991 Mar 31 2:00s 2303 6:00 Russia KRA%sT 1992 Jan 19 2:00s 2304 7:00 Russia KRA%sT 2010 Mar 28 2:00s 2305 6:00 Russia NOV%sT 2011 Mar 27 2:00s 2306 7:00 - NOVT # Novosibirsk/Novokuznetsk Time 2307 2308# 2309# From Oscar van Vlijmen (2001-08-25): [This region consists of] 2310# Krasnoyarskij kraj, 2311# Tajmyrskij (Dolgano-Nenetskij) avtonomnyj okrug, 2312# Respublika Tuva, Respublika Khakasiya, Evenkijskij avtonomnyj okrug. 2313Zone Asia/Krasnoyarsk 6:11:20 - LMT 1920 Jan 6 2314 6:00 - KRAT 1930 Jun 21 # Krasnoyarsk Time 2315 7:00 Russia KRA%sT 1991 Mar 31 2:00s 2316 6:00 Russia KRA%sT 1992 Jan 19 2:00s 2317 7:00 Russia KRA%sT 2011 Mar 27 2:00s 2318 8:00 - KRAT 2319# 2320# From Oscar van Vlijmen (2001-08-25): [This region consists of] 2321# Respublika Buryatiya, Irkutskaya oblast', 2322# Ust'-Ordynskij Buryatskij avtonomnyj okrug. 2323Zone Asia/Irkutsk 6:57:20 - LMT 1880 2324 6:57:20 - IMT 1920 Jan 25 # Irkutsk Mean Time 2325 7:00 - IRKT 1930 Jun 21 # Irkutsk Time 2326 8:00 Russia IRK%sT 1991 Mar 31 2:00s 2327 7:00 Russia IRK%sT 1992 Jan 19 2:00s 2328 8:00 Russia IRK%sT 2011 Mar 27 2:00s 2329 9:00 - IRKT 2330# 2331# From Oscar van Vlijmen (2003-10-18): [This region consists of] 2332# Aginskij Buryatskij avtonomnyj okrug, Amurskaya oblast', 2333# [parts of] Respublika Sakha (Yakutiya), Chitinskaya oblast'. 2334 2335# From Oscar van Vlijmen (2009-11-29): 2336# ...some regions of [Russia] were merged with others since 2005... 2337# Some names were changed, no big deal, except for one instance: a new name. 2338# YAK/YAKST: UTC+9 Zabajkal'skij kraj. 2339 2340# From Oscar van Vlijmen (2009-11-29): 2341# The Sakha districts are: Aldanskij, Amginskij, Anabarskij, 2342# Verkhnevilyujskij, Vilyujskij, Gornyj, 2343# Zhiganskij, Kobyajskij, Lenskij, Megino-Kangalasskij, Mirninskij, 2344# Namskij, Nyurbinskij, Olenyokskij, Olyokminskij, 2345# Suntarskij, Tattinskij, Ust'-Aldanskij, Khangalasskij, 2346# Churapchinskij, Eveno-Bytantajskij Natsional'nij. 2347 2348Zone Asia/Yakutsk 8:38:40 - LMT 1919 Dec 15 2349 8:00 - YAKT 1930 Jun 21 # Yakutsk Time 2350 9:00 Russia YAK%sT 1991 Mar 31 2:00s 2351 8:00 Russia YAK%sT 1992 Jan 19 2:00s 2352 9:00 Russia YAK%sT 2011 Mar 27 2:00s 2353 10:00 - YAKT 2354# 2355# From Oscar van Vlijmen (2003-10-18): [This region consists of] 2356# Evrejskaya avtonomnaya oblast', Khabarovskij kraj, Primorskij kraj, 2357# [parts of] Respublika Sakha (Yakutiya). 2358 2359# From Oscar van Vlijmen (2009-11-29): 2360# The Sakha districts are: Bulunskij, Verkhoyanskij, ... Ust'-Yanskij. 2361Zone Asia/Vladivostok 8:47:44 - LMT 1922 Nov 15 2362 9:00 - VLAT 1930 Jun 21 # Vladivostok Time 2363 10:00 Russia VLA%sT 1991 Mar 31 2:00s 2364 9:00 Russia VLA%sST 1992 Jan 19 2:00s 2365 10:00 Russia VLA%sT 2011 Mar 27 2:00s 2366 11:00 - VLAT 2367 2368# From Arthur David Olson (2012-05-09): 2369# Tomponskij and Ust'-Majskij switched from Vladivostok time to Yakutsk time 2370# in 2011. 2371# 2372# From Paul Eggert (2012-11-25): 2373# Shanks and Pottenger (2003) has Khandyga on Yakutsk time. 2374# Make a wild guess that it switched to Vladivostok time in 2004. 2375# This transition is no doubt wrong, but we have no better info. 2376# 2377Zone Asia/Khandyga 9:02:13 - LMT 1919 Dec 15 2378 8:00 - YAKT 1930 Jun 21 # Yakutsk Time 2379 9:00 Russia YAK%sT 1991 Mar 31 2:00s 2380 8:00 Russia YAK%sT 1992 Jan 19 2:00s 2381 9:00 Russia YAK%sT 2004 2382 10:00 Russia VLA%sT 2011 Mar 27 2:00s 2383 11:00 - VLAT 2011 Sep 13 0:00s # Decree 725? 2384 10:00 - YAKT 2385 2386# 2387# Sakhalinskaya oblast'. 2388# The Zone name should be Yuzhno-Sakhalinsk, but that's too long. 2389Zone Asia/Sakhalin 9:30:48 - LMT 1905 Aug 23 2390 9:00 - CJT 1938 2391 9:00 - JST 1945 Aug 25 2392 11:00 Russia SAK%sT 1991 Mar 31 2:00s # Sakhalin T. 2393 10:00 Russia SAK%sT 1992 Jan 19 2:00s 2394 11:00 Russia SAK%sT 1997 Mar lastSun 2:00s 2395 10:00 Russia SAK%sT 2011 Mar 27 2:00s 2396 11:00 - SAKT 2397# 2398# From Oscar van Vlijmen (2003-10-18): [This region consists of] 2399# Magadanskaya oblast', Respublika Sakha (Yakutiya). 2400# Probably also: Kuril Islands. 2401 2402# From Oscar van Vlijmen (2009-11-29): 2403# The Sakha districts are: Abyjskij, Allaikhovskij, Verkhhhnekolymskij, Momskij, 2404# Nizhnekolymskij, ... Srednekolymskij. 2405Zone Asia/Magadan 10:03:12 - LMT 1924 May 2 2406 10:00 - MAGT 1930 Jun 21 # Magadan Time 2407 11:00 Russia MAG%sT 1991 Mar 31 2:00s 2408 10:00 Russia MAG%sT 1992 Jan 19 2:00s 2409 11:00 Russia MAG%sT 2011 Mar 27 2:00s 2410 12:00 - MAGT 2411 2412# From Arthur David Olson (2012-05-09): 2413# Ojmyakonskij and the Kuril Islands switched from 2414# Magadan time to Vladivostok time in 2011. 2415Zone Asia/Ust-Nera 9:32:54 - LMT 1919 Dec 15 2416 8:00 - YAKT 1930 Jun 21 # Yakutsk Time 2417 9:00 Russia YAKT 1981 Apr 1 2418 11:00 Russia MAG%sT 1991 Mar 31 2:00s 2419 10:00 Russia MAG%sT 1992 Jan 19 2:00s 2420 11:00 Russia MAG%sT 2011 Mar 27 2:00s 2421 12:00 - MAGT 2011 Sep 13 0:00s # Decree 725? 2422 11:00 - VLAT 2423 2424# From Oscar van Vlijmen (2001-08-25): [This region consists of] 2425# Kamchatskaya oblast', Koryakskij avtonomnyj okrug. 2426# 2427# The Zone name should be Asia/Petropavlovsk-Kamchatski, but that's too long. 2428Zone Asia/Kamchatka 10:34:36 - LMT 1922 Nov 10 2429 11:00 - PETT 1930 Jun 21 # P-K Time 2430 12:00 Russia PET%sT 1991 Mar 31 2:00s 2431 11:00 Russia PET%sT 1992 Jan 19 2:00s 2432 12:00 Russia PET%sT 2010 Mar 28 2:00s 2433 11:00 Russia PET%sT 2011 Mar 27 2:00s 2434 12:00 - PETT 2435# 2436# Chukotskij avtonomnyj okrug 2437Zone Asia/Anadyr 11:49:56 - LMT 1924 May 2 2438 12:00 - ANAT 1930 Jun 21 # Anadyr Time 2439 13:00 Russia ANA%sT 1982 Apr 1 0:00s 2440 12:00 Russia ANA%sT 1991 Mar 31 2:00s 2441 11:00 Russia ANA%sT 1992 Jan 19 2:00s 2442 12:00 Russia ANA%sT 2010 Mar 28 2:00s 2443 11:00 Russia ANA%sT 2011 Mar 27 2:00s 2444 12:00 - ANAT 2445 2446# Serbia 2447# Zone NAME GMTOFF RULES FORMAT [UNTIL] 2448Zone Europe/Belgrade 1:22:00 - LMT 1884 2449 1:00 - CET 1941 Apr 18 23:00 2450 1:00 C-Eur CE%sT 1945 2451 1:00 - CET 1945 May 8 2:00s 2452 1:00 1:00 CEST 1945 Sep 16 2:00s 2453# Metod Kozelj reports that the legal date of 2454# transition to EU rules was 1982-11-27, for all of Yugoslavia at the time. 2455# Shanks & Pottenger don't give as much detail, so go with Kozelj. 2456 1:00 - CET 1982 Nov 27 2457 1:00 EU CE%sT 2458Link Europe/Belgrade Europe/Ljubljana # Slovenia 2459Link Europe/Belgrade Europe/Podgorica # Montenegro 2460Link Europe/Belgrade Europe/Sarajevo # Bosnia and Herzegovina 2461Link Europe/Belgrade Europe/Skopje # Macedonia 2462Link Europe/Belgrade Europe/Zagreb # Croatia 2463 2464# Slovakia 2465Link Europe/Prague Europe/Bratislava 2466 2467# Slovenia 2468# see Serbia 2469 2470# Spain 2471# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 2472# For 1917-1919 Whitman gives Apr Sat>=1 - Oct Sat>=1; 2473# go with Shanks & Pottenger. 2474Rule Spain 1917 only - May 5 23:00s 1:00 S 2475Rule Spain 1917 1919 - Oct 6 23:00s 0 - 2476Rule Spain 1918 only - Apr 15 23:00s 1:00 S 2477Rule Spain 1919 only - Apr 5 23:00s 1:00 S 2478# Whitman gives 1921 Feb 28 - Oct 14; go with Shanks & Pottenger. 2479Rule Spain 1924 only - Apr 16 23:00s 1:00 S 2480# Whitman gives 1924 Oct 14; go with Shanks & Pottenger. 2481Rule Spain 1924 only - Oct 4 23:00s 0 - 2482Rule Spain 1926 only - Apr 17 23:00s 1:00 S 2483# Whitman says no DST in 1929; go with Shanks & Pottenger. 2484Rule Spain 1926 1929 - Oct Sat>=1 23:00s 0 - 2485Rule Spain 1927 only - Apr 9 23:00s 1:00 S 2486Rule Spain 1928 only - Apr 14 23:00s 1:00 S 2487Rule Spain 1929 only - Apr 20 23:00s 1:00 S 2488# Whitman gives 1937 Jun 16, 1938 Apr 16, 1940 Apr 13; 2489# go with Shanks & Pottenger. 2490Rule Spain 1937 only - May 22 23:00s 1:00 S 2491Rule Spain 1937 1939 - Oct Sat>=1 23:00s 0 - 2492Rule Spain 1938 only - Mar 22 23:00s 1:00 S 2493Rule Spain 1939 only - Apr 15 23:00s 1:00 S 2494Rule Spain 1940 only - Mar 16 23:00s 1:00 S 2495# Whitman says no DST 1942-1945; go with Shanks & Pottenger. 2496Rule Spain 1942 only - May 2 22:00s 2:00 M # Midsummer 2497Rule Spain 1942 only - Sep 1 22:00s 1:00 S 2498Rule Spain 1943 1946 - Apr Sat>=13 22:00s 2:00 M 2499Rule Spain 1943 only - Oct 3 22:00s 1:00 S 2500Rule Spain 1944 only - Oct 10 22:00s 1:00 S 2501Rule Spain 1945 only - Sep 30 1:00 1:00 S 2502Rule Spain 1946 only - Sep 30 0:00 0 - 2503Rule Spain 1949 only - Apr 30 23:00 1:00 S 2504Rule Spain 1949 only - Sep 30 1:00 0 - 2505Rule Spain 1974 1975 - Apr Sat>=13 23:00 1:00 S 2506Rule Spain 1974 1975 - Oct Sun>=1 1:00 0 - 2507Rule Spain 1976 only - Mar 27 23:00 1:00 S 2508Rule Spain 1976 1977 - Sep lastSun 1:00 0 - 2509Rule Spain 1977 1978 - Apr 2 23:00 1:00 S 2510Rule Spain 1978 only - Oct 1 1:00 0 - 2511# The following rules are copied from Morocco from 1967 through 1978. 2512Rule SpainAfrica 1967 only - Jun 3 12:00 1:00 S 2513Rule SpainAfrica 1967 only - Oct 1 0:00 0 - 2514Rule SpainAfrica 1974 only - Jun 24 0:00 1:00 S 2515Rule SpainAfrica 1974 only - Sep 1 0:00 0 - 2516Rule SpainAfrica 1976 1977 - May 1 0:00 1:00 S 2517Rule SpainAfrica 1976 only - Aug 1 0:00 0 - 2518Rule SpainAfrica 1977 only - Sep 28 0:00 0 - 2519Rule SpainAfrica 1978 only - Jun 1 0:00 1:00 S 2520Rule SpainAfrica 1978 only - Aug 4 0:00 0 - 2521# Zone NAME GMTOFF RULES FORMAT [UNTIL] 2522Zone Europe/Madrid -0:14:44 - LMT 1901 Jan 1 0:00s 2523 0:00 Spain WE%sT 1946 Sep 30 2524 1:00 Spain CE%sT 1979 2525 1:00 EU CE%sT 2526Zone Africa/Ceuta -0:21:16 - LMT 1901 2527 0:00 - WET 1918 May 6 23:00 2528 0:00 1:00 WEST 1918 Oct 7 23:00 2529 0:00 - WET 1924 2530 0:00 Spain WE%sT 1929 2531 0:00 SpainAfrica WE%sT 1984 Mar 16 2532 1:00 - CET 1986 2533 1:00 EU CE%sT 2534Zone Atlantic/Canary -1:01:36 - LMT 1922 Mar # Las Palmas de Gran C. 2535 -1:00 - CANT 1946 Sep 30 1:00 # Canaries Time 2536 0:00 - WET 1980 Apr 6 0:00s 2537 0:00 1:00 WEST 1980 Sep 28 0:00s 2538 0:00 EU WE%sT 2539# IATA SSIM (1996-09) says the Canaries switch at 2:00u, not 1:00u. 2540# Ignore this for now, as the Canaries are part of the EU. 2541 2542# Sweden 2543 2544# From Ivan Nilsson (2001-04-13), superseding Shanks & Pottenger: 2545# 2546# The law "Svensk forfattningssamling 1878, no 14" about standard time in 1879: 2547# From the beginning of 1879 (that is 01-01 00:00) the time for all 2548# places in the country is "the mean solar time for the meridian at 2549# three degrees, or twelve minutes of time, to the west of the 2550# meridian of the Observatory of Stockholm". The law is dated 1878-05-31. 2551# 2552# The observatory at that time had the meridian 18 degrees 03' 30" 2553# eastern longitude = 01:12:14 in time. Less 12 minutes gives the 2554# national standard time as 01:00:14 ahead of GMT.... 2555# 2556# About the beginning of CET in Sweden. The lawtext ("Svensk 2557# forfattningssamling 1899, no 44") states, that "from the beginning 2558# of 1900... ... the same as the mean solar time for the meridian at 2559# the distance of one hour of time from the meridian of the English 2560# observatory at Greenwich, or at 12 minutes 14 seconds to the west 2561# from the meridian of the Observatory of Stockholm". The law is dated 2562# 1899-06-16. In short: At 1900-01-01 00:00:00 the new standard time 2563# in Sweden is 01:00:00 ahead of GMT. 2564# 2565# 1916: The lawtext ("Svensk forfattningssamling 1916, no 124") states 2566# that "1916-05-15 is considered to begin one hour earlier". It is 2567# pretty obvious that at 05-14 23:00 the clocks are set to 05-15 00:00.... 2568# Further the law says, that "1916-09-30 is considered to end one hour later". 2569# 2570# The laws regulating [DST] are available on the site of the Swedish 2571# Parliament beginning with 1985 - the laws regulating 1980/1984 are 2572# not available on the site (to my knowledge they are only available 2573# in Swedish): <http://www.riksdagen.se/english/work/sfst.asp> (type 2574# "sommartid" without the quotes in the field "Fritext" and then click 2575# the Sok-button). 2576# 2577# (2001-05-13): 2578# 2579# I have now found a newspaper stating that at 1916-10-01 01:00 2580# summertime the church-clocks etc were set back one hour to show 2581# 1916-10-01 00:00 standard time. The article also reports that some 2582# people thought the switch to standard time would take place already 2583# at 1916-10-01 00:00 summer time, but they had to wait for another 2584# hour before the event took place. 2585# 2586# Source: The newspaper "Dagens Nyheter", 1916-10-01, page 7 upper left. 2587 2588# Zone NAME GMTOFF RULES FORMAT [UNTIL] 2589Zone Europe/Stockholm 1:12:12 - LMT 1879 Jan 1 2590 1:00:14 - SET 1900 Jan 1 # Swedish Time 2591 1:00 - CET 1916 May 14 23:00 2592 1:00 1:00 CEST 1916 Oct 1 01:00 2593 1:00 - CET 1980 2594 1:00 EU CE%sT 2595 2596# Switzerland 2597# From Howse: 2598# By the end of the 18th century clocks and watches became commonplace 2599# and their performance improved enormously. Communities began to keep 2600# mean time in preference to apparent time -- Geneva from 1780 .... 2601# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 2602# From Whitman (who writes ``Midnight?''): 2603# Rule Swiss 1940 only - Nov 2 0:00 1:00 S 2604# Rule Swiss 1940 only - Dec 31 0:00 0 - 2605# From Shanks & Pottenger: 2606# Rule Swiss 1941 1942 - May Sun>=1 2:00 1:00 S 2607# Rule Swiss 1941 1942 - Oct Sun>=1 0:00 0 - 2608 2609# From Alois Treindl (2008-12-17): 2610# I have researched the DST usage in Switzerland during the 1940ies. 2611# 2612# As I wrote in an earlier message, I suspected the current tzdata values 2613# to be wrong. This is now verified. 2614# 2615# I have found copies of the original ruling by the Swiss Federal 2616# government, in 'Eidgen[o]ssische Gesetzessammlung 1941 and 1942' (Swiss 2617# federal law collection)... 2618# 2619# DST began on Monday 5 May 1941, 1:00 am by shifting the clocks to 2:00 am 2620# DST ended on Monday 6 Oct 1941, 2:00 am by shifting the clocks to 1:00 am. 2621# 2622# DST began on Monday, 4 May 1942 at 01:00 am 2623# DST ended on Monday, 5 Oct 1942 at 02:00 am 2624# 2625# There was no DST in 1940, I have checked the law collection carefully. 2626# It is also indicated by the fact that the 1942 entry in the law 2627# collection points back to 1941 as a reference, but no reference to any 2628# other years are made. 2629# 2630# Newspaper articles I have read in the archives on 6 May 1941 reported 2631# about the introduction of DST (Sommerzeit in German) during the previous 2632# night as an absolute novelty, because this was the first time that such 2633# a thing had happened in Switzerland. 2634# 2635# I have also checked 1916, because one book source (Gabriel, Traite de 2636# l'heure dans le monde) claims that Switzerland had DST in 1916. This is 2637# false, no official document could be found. Probably Gabriel got misled 2638# by references to Germany, which introduced DST in 1916 for the first time. 2639# 2640# The tzdata rules for Switzerland must be changed to: 2641# Rule Swiss 1941 1942 - May Mon>=1 1:00 1:00 S 2642# Rule Swiss 1941 1942 - Oct Mon>=1 2:00 0 - 2643# 2644# The 1940 rules must be deleted. 2645# 2646# One further detail for Switzerland, which is probably out of scope for 2647# most users of tzdata: 2648# The zone file 2649# Zone Europe/Zurich 0:34:08 - LMT 1848 Sep 12 2650# 0:29:44 - BMT 1894 Jun #Bern Mean Time 2651# 1:00 Swiss CE%sT 1981 2652# 1:00 EU CE%sT 2653# describes all of Switzerland correctly, with the exception of 2654# the Cantone Geneve (Geneva, Genf). Between 1848 and 1894 Geneve did not 2655# follow Bern Mean Time but kept its own local mean time. 2656# To represent this, an extra zone would be needed. 2657 2658# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 2659Rule Swiss 1941 1942 - May Mon>=1 1:00 1:00 S 2660Rule Swiss 1941 1942 - Oct Mon>=1 2:00 0 - 2661# Zone NAME GMTOFF RULES FORMAT [UNTIL] 2662Zone Europe/Zurich 0:34:08 - LMT 1848 Sep 12 2663 0:29:44 - BMT 1894 Jun # Bern Mean Time 2664 1:00 Swiss CE%sT 1981 2665 1:00 EU CE%sT 2666 2667# Turkey 2668 2669# From Amar Devegowda (2007-01-03): 2670# The time zone rules for Istanbul, Turkey have not been changed for years now. 2671# ... The latest rules are available at - 2672# http://www.timeanddate.com/worldclock/timezone.html?n=107 2673# From Steffen Thorsen (2007-01-03): 2674# I have been able to find press records back to 1996 which all say that 2675# DST started 01:00 local time and end at 02:00 local time. I am not sure 2676# what happened before that. One example for each year from 1996 to 2001: 2677# http://newspot.byegm.gov.tr/arsiv/1996/21/N4.htm 2678# http://www.byegm.gov.tr/YAYINLARIMIZ/CHR/ING97/03/97X03X25.TXT 2679# http://www.byegm.gov.tr/YAYINLARIMIZ/CHR/ING98/03/98X03X02.HTM 2680# http://www.byegm.gov.tr/YAYINLARIMIZ/CHR/ING99/10/99X10X26.HTM#%2016 2681# http://www.byegm.gov.tr/YAYINLARIMIZ/CHR/ING2000/03/00X03X06.HTM#%2021 2682# http://www.byegm.gov.tr/YAYINLARIMIZ/CHR/ING2001/03/23x03x01.HTM#%2027 2683# From Paul Eggert (2007-01-03): 2684# Prefer the above source to Shanks & Pottenger for time stamps after 1990. 2685 2686# From Steffen Thorsen (2007-03-09): 2687# Starting 2007 though, it seems that they are adopting EU's 1:00 UTC 2688# start/end time, according to the following page (2007-03-07): 2689# http://www.ntvmsnbc.com/news/402029.asp 2690# The official document is located here - it is in Turkish...: 2691# http://rega.basbakanlik.gov.tr/eskiler/2007/03/20070307-7.htm 2692# I was able to locate the following seemingly official document 2693# (on a non-government server though) describing dates between 2002 and 2006: 2694# http://www.alomaliye.com/bkk_2002_3769.htm 2695 2696# From Gökdeniz Karadağ (2011-03-10): 2697# 2698# According to the articles linked below, Turkey will change into summer 2699# time zone (GMT+3) on March 28, 2011 at 3:00 a.m. instead of March 27. 2700# This change is due to a nationwide exam on 27th. 2701# 2702# <a href="http://www.worldbulletin.net/?aType=haber&ArticleID=70872"> 2703# http://www.worldbulletin.net/?aType=haber&ArticleID=70872 2704# </a> 2705# Turkish: 2706# <a href="http://www.hurriyet.com.tr/ekonomi/17230464.asp?gid=373"> 2707# http://www.hurriyet.com.tr/ekonomi/17230464.asp?gid=373 2708# </a> 2709 2710# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 2711Rule Turkey 1916 only - May 1 0:00 1:00 S 2712Rule Turkey 1916 only - Oct 1 0:00 0 - 2713Rule Turkey 1920 only - Mar 28 0:00 1:00 S 2714Rule Turkey 1920 only - Oct 25 0:00 0 - 2715Rule Turkey 1921 only - Apr 3 0:00 1:00 S 2716Rule Turkey 1921 only - Oct 3 0:00 0 - 2717Rule Turkey 1922 only - Mar 26 0:00 1:00 S 2718Rule Turkey 1922 only - Oct 8 0:00 0 - 2719# Whitman gives 1923 Apr 28 - Sep 16 and no DST in 1924-1925; 2720# go with Shanks & Pottenger. 2721Rule Turkey 1924 only - May 13 0:00 1:00 S 2722Rule Turkey 1924 1925 - Oct 1 0:00 0 - 2723Rule Turkey 1925 only - May 1 0:00 1:00 S 2724Rule Turkey 1940 only - Jun 30 0:00 1:00 S 2725Rule Turkey 1940 only - Oct 5 0:00 0 - 2726Rule Turkey 1940 only - Dec 1 0:00 1:00 S 2727Rule Turkey 1941 only - Sep 21 0:00 0 - 2728Rule Turkey 1942 only - Apr 1 0:00 1:00 S 2729# Whitman omits the next two transition and gives 1945 Oct 1; 2730# go with Shanks & Pottenger. 2731Rule Turkey 1942 only - Nov 1 0:00 0 - 2732Rule Turkey 1945 only - Apr 2 0:00 1:00 S 2733Rule Turkey 1945 only - Oct 8 0:00 0 - 2734Rule Turkey 1946 only - Jun 1 0:00 1:00 S 2735Rule Turkey 1946 only - Oct 1 0:00 0 - 2736Rule Turkey 1947 1948 - Apr Sun>=16 0:00 1:00 S 2737Rule Turkey 1947 1950 - Oct Sun>=2 0:00 0 - 2738Rule Turkey 1949 only - Apr 10 0:00 1:00 S 2739Rule Turkey 1950 only - Apr 19 0:00 1:00 S 2740Rule Turkey 1951 only - Apr 22 0:00 1:00 S 2741Rule Turkey 1951 only - Oct 8 0:00 0 - 2742Rule Turkey 1962 only - Jul 15 0:00 1:00 S 2743Rule Turkey 1962 only - Oct 8 0:00 0 - 2744Rule Turkey 1964 only - May 15 0:00 1:00 S 2745Rule Turkey 1964 only - Oct 1 0:00 0 - 2746Rule Turkey 1970 1972 - May Sun>=2 0:00 1:00 S 2747Rule Turkey 1970 1972 - Oct Sun>=2 0:00 0 - 2748Rule Turkey 1973 only - Jun 3 1:00 1:00 S 2749Rule Turkey 1973 only - Nov 4 3:00 0 - 2750Rule Turkey 1974 only - Mar 31 2:00 1:00 S 2751Rule Turkey 1974 only - Nov 3 5:00 0 - 2752Rule Turkey 1975 only - Mar 30 0:00 1:00 S 2753Rule Turkey 1975 1976 - Oct lastSun 0:00 0 - 2754Rule Turkey 1976 only - Jun 1 0:00 1:00 S 2755Rule Turkey 1977 1978 - Apr Sun>=1 0:00 1:00 S 2756Rule Turkey 1977 only - Oct 16 0:00 0 - 2757Rule Turkey 1979 1980 - Apr Sun>=1 3:00 1:00 S 2758Rule Turkey 1979 1982 - Oct Mon>=11 0:00 0 - 2759Rule Turkey 1981 1982 - Mar lastSun 3:00 1:00 S 2760Rule Turkey 1983 only - Jul 31 0:00 1:00 S 2761Rule Turkey 1983 only - Oct 2 0:00 0 - 2762Rule Turkey 1985 only - Apr 20 0:00 1:00 S 2763Rule Turkey 1985 only - Sep 28 0:00 0 - 2764Rule Turkey 1986 1990 - Mar lastSun 2:00s 1:00 S 2765Rule Turkey 1986 1990 - Sep lastSun 2:00s 0 - 2766Rule Turkey 1991 2006 - Mar lastSun 1:00s 1:00 S 2767Rule Turkey 1991 1995 - Sep lastSun 1:00s 0 - 2768Rule Turkey 1996 2006 - Oct lastSun 1:00s 0 - 2769# Zone NAME GMTOFF RULES FORMAT [UNTIL] 2770Zone Europe/Istanbul 1:55:52 - LMT 1880 2771 1:56:56 - IMT 1910 Oct # Istanbul Mean Time? 2772 2:00 Turkey EE%sT 1978 Oct 15 2773 3:00 Turkey TR%sT 1985 Apr 20 # Turkey Time 2774 2:00 Turkey EE%sT 2007 2775 2:00 EU EE%sT 2011 Mar 27 1:00u 2776 2:00 - EET 2011 Mar 28 1:00u 2777 2:00 EU EE%sT 2778Link Europe/Istanbul Asia/Istanbul # Istanbul is in both continents. 2779 2780# Ukraine 2781# 2782# From Igor Karpov, who works for the Ukranian Ministry of Justice, 2783# via Garrett Wollman (2003-01-27): 2784# BTW, I've found the official document on this matter. It's goverment 2785# regulations number 509, May 13, 1996. In my poor translation it says: 2786# "Time in Ukraine is set to second timezone (Kiev time). Each last Sunday 2787# of March at 3am the time is changing to 4am and each last Sunday of 2788# October the time at 4am is changing to 3am" 2789 2790# From Alexander Krivenyshev (2011-09-20): 2791# On September 20, 2011 the deputies of the Verkhovna Rada agreed to 2792# abolish the transfer clock to winter time. 2793# 2794# Bill number 8330 of MP from the Party of Regions Oleg Nadoshi got 2795# approval from 266 deputies. 2796# 2797# Ukraine abolishes transter back to the winter time (in Russian) 2798# <a href="http://news.mail.ru/politics/6861560/"> 2799# http://news.mail.ru/politics/6861560/ 2800# </a> 2801# 2802# The Ukrainians will no longer change the clock (in Russian) 2803# <a href="http://www.segodnya.ua/news/14290482.html"> 2804# http://www.segodnya.ua/news/14290482.html 2805# </a> 2806# 2807# Deputies cancelled the winter time (in Russian) 2808# <a href="http://www.pravda.com.ua/rus/news/2011/09/20/6600616/"> 2809# http://www.pravda.com.ua/rus/news/2011/09/20/6600616/ 2810# </a> 2811# 2812# From Philip Pizzey (2011-10-18): 2813# Today my Ukrainian colleagues have informed me that the 2814# Ukrainian parliament have decided that they will go to winter 2815# time this year after all. 2816# 2817# From Udo Schwedt (2011-10-18): 2818# As far as I understand, the recent change to the Ukranian time zone 2819# (Europe/Kiev) to introduce permanent daylight saving time (similar 2820# to Russia) was reverted today: 2821# 2822# <a href="http://portal.rada.gov.ua/rada/control/en/publish/article/info_left?art_id=287324&cat_id=105995"> 2823# http://portal.rada.gov.ua/rada/control/en/publish/article/info_left?art_id=287324&cat_id=105995 2824# </a> 2825# 2826# Also reported by Alexander Bokovoy (2011-10-18) who also noted: 2827# The law documents themselves are at 2828# 2829# <a href="http://w1.c1.rada.gov.ua/pls/zweb_n/webproc4_1?id=&pf3511=41484"> 2830# http://w1.c1.rada.gov.ua/pls/zweb_n/webproc4_1?id=&pf3511=41484 2831# </a> 2832 2833 2834# Zone NAME GMTOFF RULES FORMAT [UNTIL] 2835# Most of Ukraine since 1970 has been like Kiev. 2836# "Kyiv" is the transliteration of the Ukrainian name, but 2837# "Kiev" is more common in English. 2838Zone Europe/Kiev 2:02:04 - LMT 1880 2839 2:02:04 - KMT 1924 May 2 # Kiev Mean Time 2840 2:00 - EET 1930 Jun 21 2841 3:00 - MSK 1941 Sep 20 2842 1:00 C-Eur CE%sT 1943 Nov 6 2843 3:00 Russia MSK/MSD 1990 2844 3:00 - MSK 1990 Jul 1 2:00 2845 2:00 - EET 1992 2846 2:00 E-Eur EE%sT 1995 2847 2:00 EU EE%sT 2848# Ruthenia used CET 1990/1991. 2849# "Uzhhorod" is the transliteration of the Ukrainian name, but 2850# "Uzhgorod" is more common in English. 2851Zone Europe/Uzhgorod 1:29:12 - LMT 1890 Oct 2852 1:00 - CET 1940 2853 1:00 C-Eur CE%sT 1944 Oct 2854 1:00 1:00 CEST 1944 Oct 26 2855 1:00 - CET 1945 Jun 29 2856 3:00 Russia MSK/MSD 1990 2857 3:00 - MSK 1990 Jul 1 2:00 2858 1:00 - CET 1991 Mar 31 3:00 2859 2:00 - EET 1992 2860 2:00 E-Eur EE%sT 1995 2861 2:00 EU EE%sT 2862# Zaporozh'ye and eastern Lugansk oblasts observed DST 1990/1991. 2863# "Zaporizhia" is the transliteration of the Ukrainian name, but 2864# "Zaporozh'ye" is more common in English. Use the common English 2865# spelling, except omit the apostrophe as it is not allowed in 2866# portable Posix file names. 2867Zone Europe/Zaporozhye 2:20:40 - LMT 1880 2868 2:20 - CUT 1924 May 2 # Central Ukraine T 2869 2:00 - EET 1930 Jun 21 2870 3:00 - MSK 1941 Aug 25 2871 1:00 C-Eur CE%sT 1943 Oct 25 2872 3:00 Russia MSK/MSD 1991 Mar 31 2:00 2873 2:00 E-Eur EE%sT 1995 2874 2:00 EU EE%sT 2875# Central Crimea used Moscow time 1994/1997. 2876Zone Europe/Simferopol 2:16:24 - LMT 1880 2877 2:16 - SMT 1924 May 2 # Simferopol Mean T 2878 2:00 - EET 1930 Jun 21 2879 3:00 - MSK 1941 Nov 2880 1:00 C-Eur CE%sT 1944 Apr 13 2881 3:00 Russia MSK/MSD 1990 2882 3:00 - MSK 1990 Jul 1 2:00 2883 2:00 - EET 1992 2884# From Paul Eggert (2006-03-22): 2885# The _Economist_ (1994-05-28, p 45) reports that central Crimea switched 2886# from Kiev to Moscow time sometime after the January 1994 elections. 2887# Shanks (1999) says ``date of change uncertain'', but implies that it happened 2888# sometime between the 1994 DST switches. Shanks & Pottenger simply say 2889# 1994-09-25 03:00, but that can't be right. For now, guess it 2890# changed in May. 2891 2:00 E-Eur EE%sT 1994 May 2892# From IATA SSIM (1994/1997), which also says that Kerch is still like Kiev. 2893 3:00 E-Eur MSK/MSD 1996 Mar 31 3:00s 2894 3:00 1:00 MSD 1996 Oct 27 3:00s 2895# IATA SSIM (1997-09) says Crimea switched to EET/EEST. 2896# Assume it happened in March by not changing the clocks. 2897 3:00 Russia MSK/MSD 1997 2898 3:00 - MSK 1997 Mar lastSun 1:00u 2899 2:00 EU EE%sT 2900 2901############################################################################### 2902 2903# One source shows that Bulgaria, Cyprus, Finland, and Greece observe DST from 2904# the last Sunday in March to the last Sunday in September in 1986. 2905# The source shows Romania changing a day later than everybody else. 2906# 2907# According to Bernard Sieloff's source, Poland is in the MET time zone but 2908# uses the WE DST rules. The Western USSR uses EET+1 and ME DST rules. 2909# Bernard Sieloff's source claims Romania switches on the same day, but at 2910# 00:00 standard time (i.e., 01:00 DST). It also claims that Turkey 2911# switches on the same day, but switches on at 01:00 standard time 2912# and off at 00:00 standard time (i.e., 01:00 DST) 2913 2914# ... 2915# Date: Wed, 28 Jan 87 16:56:27 -0100 2916# From: Tom Hofmann 2917# ... 2918# 2919# ...the European time rules are...standardized since 1981, when 2920# most European coun[tr]ies started DST. Before that year, only 2921# a few countries (UK, France, Italy) had DST, each according 2922# to own national rules. In 1981, however, DST started on 2923# 'Apr firstSun', and not on 'Mar lastSun' as in the following 2924# years... 2925# But also since 1981 there are some more national exceptions 2926# than listed in 'europe': Switzerland, for example, joined DST 2927# one year later, Denmark ended DST on 'Oct 1' instead of 'Sep 2928# lastSun' in 1981---I don't know how they handle now. 2929# 2930# Finally, DST ist always from 'Apr 1' to 'Oct 1' in the 2931# Soviet Union (as far as I know). 2932# 2933# Tom Hofmann, Scientific Computer Center, CIBA-GEIGY AG, 2934# 4002 Basle, Switzerland 2935# ... 2936 2937# ... 2938# Date: Wed, 4 Feb 87 22:35:22 +0100 2939# From: Dik T. Winter 2940# ... 2941# 2942# The information from Tom Hofmann is (as far as I know) not entirely correct. 2943# After a request from chongo at amdahl I tried to retrieve all information 2944# about DST in Europe. I was able to find all from about 1969. 2945# 2946# ...standardization on DST in Europe started in about 1977 with switches on 2947# first Sunday in April and last Sunday in September... 2948# In 1981 UK joined Europe insofar that 2949# the starting day for both shifted to last Sunday in March. And from 1982 2950# the whole of Europe used DST, with switch dates April 1 and October 1 in 2951# the Sov[i]et Union. In 1985 the SU reverted to standard Europe[a]n switch 2952# dates... 2953# 2954# It should also be remembered that time-zones are not constants; e.g. 2955# Portugal switched in 1976 from MET (or CET) to WET with DST... 2956# Note also that though there were rules for switch dates not 2957# all countries abided to these dates, and many individual deviations 2958# occurred, though not since 1982 I believe. Another note: it is always 2959# assumed that DST is 1 hour ahead of normal time, this need not be the 2960# case; at least in the Netherlands there have been times when DST was 2 hours 2961# in advance of normal time. 2962# 2963# ... 2964# dik t. winter, cwi, amsterdam, nederland 2965# ... 2966 2967# From Bob Devine (1988-01-28): 2968# ... 2969# Greece: Last Sunday in April to last Sunday in September (iffy on dates). 2970# Since 1978. Change at midnight. 2971# ... 2972# Monaco: has same DST as France. 2973# ... 2974