1# tzdb data for Antarctica and environs 2 3# This file is in the public domain, so clarified as of 4# 2009-05-17 by Arthur David Olson. 5 6# From Paul Eggert (1999-11-15): 7# To keep things manageable, we list only locations occupied year-round; see 8# COMNAP - Stations and Bases 9# http://www.comnap.aq/comnap/comnap.nsf/P/Stations/ 10# and 11# Summary of the Peri-Antarctic Islands (1998-07-23) 12# http://www.spri.cam.ac.uk/bob/periant.htm 13# for information. 14# Unless otherwise specified, we have no time zone information. 15 16# FORMAT is '-00' and STDOFF is 0 for locations while uninhabited. 17 18# Argentina - year-round bases 19# Belgrano II, Confin Coast, -770227-0343737, since 1972-02-05 20# Carlini, Potter Cove, King George Island, -6414-0602320, since 1982-01 21# Esperanza, Hope Bay, -6323-05659, since 1952-12-17 22# Marambio, -6414-05637, since 1969-10-29 23# Orcadas, Laurie I, -6016-04444, since 1904-02-22 24# San Martín, Barry I, -6808-06706, since 1951-03-21 25# (except 1960-03 / 1976-03-21) 26 27# Australia - territories 28# Heard Island, McDonald Islands (uninhabited) 29# previously sealers and scientific personnel wintered 30# Margaret Turner reports 31# https://web.archive.org/web/20021204222245/http://www.dstc.qut.edu.au/DST/marg/daylight.html 32# (1999-09-30) that they're UT +05, with no DST; 33# presumably this is when they have visitors. 34# 35# year-round bases 36# Casey, Bailey Peninsula, -6617+11032, since 1969 37# Davis, Vestfold Hills, -6835+07759, since 1957-01-13 38# (except 1964-11 - 1969-02) 39# Mawson, Holme Bay, -6736+06253, since 1954-02-13 40 41# From Steffen Thorsen (2009-03-11): 42# Three Australian stations in Antarctica have changed their time zone: 43# Casey moved from UTC+8 to UTC+11 44# Davis moved from UTC+7 to UTC+5 45# Mawson moved from UTC+6 to UTC+5 46# The changes occurred on 2009-10-18 at 02:00 (local times). 47# 48# Government source: (Australian Antarctic Division) 49# http://www.aad.gov.au/default.asp?casid=37079 50# 51# We have more background information here: 52# https://www.timeanddate.com/news/time/antarctica-new-times.html 53 54# From Steffen Thorsen (2010-03-10): 55# We got these changes from the Australian Antarctic Division: ... 56# 57# - Casey station reverted to its normal time of UTC+8 on 5 March 2010. 58# The change to UTC+11 is being considered as a regular summer thing but 59# has not been decided yet. 60# 61# - Davis station will revert to its normal time of UTC+7 at 10 March 2010 62# 20:00 UTC. 63# 64# - Mawson station stays on UTC+5. 65# 66# Background: 67# https://www.timeanddate.com/news/time/antartica-time-changes-2010.html 68 69# From Steffen Thorsen (2016-10-28): 70# Australian Antarctica Division informed us that Casey changed time 71# zone to UTC+11 in "the morning of 22nd October 2016". 72 73# From Steffen Thorsen (2020-10-02, as corrected): 74# Based on information we have received from the Australian Antarctic 75# Division, Casey station and Macquarie Island station will move to Tasmanian 76# daylight savings time on Sunday 4 October. This will take effect from 0001 77# hrs on Sunday 4 October 2020 and will mean Casey and Macquarie Island will 78# be on the same time zone as Hobart. Some past dates too for this 3 hour 79# time change back and forth between UTC+8 and UTC+11 for Casey: 80# - 2018 Oct 7 4:00 - 2019 Mar 17 3:00 - 2019 Oct 4 3:00 - 2020 Mar 8 3:00 81# and now - 2020 Oct 4 0:01 82 83# Zone NAME STDOFF RULES FORMAT [UNTIL] 84Zone Antarctica/Casey 0 - -00 1969 85 8:00 - +08 2009 Oct 18 2:00 86 11:00 - +11 2010 Mar 5 2:00 87 8:00 - +08 2011 Oct 28 2:00 88 11:00 - +11 2012 Feb 21 17:00u 89 8:00 - +08 2016 Oct 22 90 11:00 - +11 2018 Mar 11 4:00 91 8:00 - +08 2018 Oct 7 4:00 92 11:00 - +11 2019 Mar 17 3:00 93 8:00 - +08 2019 Oct 4 3:00 94 11:00 - +11 2020 Mar 8 3:00 95 8:00 - +08 2020 Oct 4 0:01 96 11:00 - +11 97Zone Antarctica/Davis 0 - -00 1957 Jan 13 98 7:00 - +07 1964 Nov 99 0 - -00 1969 Feb 100 7:00 - +07 2009 Oct 18 2:00 101 5:00 - +05 2010 Mar 10 20:00u 102 7:00 - +07 2011 Oct 28 2:00 103 5:00 - +05 2012 Feb 21 20:00u 104 7:00 - +07 105Zone Antarctica/Mawson 0 - -00 1954 Feb 13 106 6:00 - +06 2009 Oct 18 2:00 107 5:00 - +05 108# References: 109# Casey Weather (1998-02-26) 110# http://www.antdiv.gov.au/aad/exop/sfo/casey/casey_aws.html 111# Davis Station, Antarctica (1998-02-26) 112# http://www.antdiv.gov.au/aad/exop/sfo/davis/video.html 113# Mawson Station, Antarctica (1998-02-25) 114# http://www.antdiv.gov.au/aad/exop/sfo/mawson/video.html 115 116# Belgium - year-round base 117# Princess Elisabeth, Queen Maud Land, -713412+0231200, since 2007 118 119# Brazil - year-round base 120# Ferraz, King George Island, -6205+05824, since 1983/4 121 122# Bulgaria - year-round base 123# St. Kliment Ohridski, Livingston Island, -623829-0602153, since 1988 124 125# Chile - year-round bases and towns 126# Escudero, South Shetland Is, -621157-0585735, since 1994 127# Frei Montalva, King George Island, -6214-05848, since 1969-03-07 128# O'Higgins, Antarctic Peninsula, -6319-05704, since 1948-02 129# Prat, -6230-05941 130# Villa Las Estrellas (a town), around the Frei base, since 1984-04-09 131# These locations employ Region of Magallanes time; use 132# TZ='America/Punta_Arenas'. 133 134# China - year-round bases 135# Great Wall, King George Island, -6213-05858, since 1985-02-20 136# Zhongshan, Larsemann Hills, Prydz Bay, -6922+07623, since 1989-02-26 137 138# France - year-round bases (also see "France & Italy") 139# 140# From Antoine Leca (1997-01-20): 141# Time data entries are from Nicole Pailleau at the IFRTP 142# (French Institute for Polar Research and Technology). 143# She confirms that French Southern Territories and Terre Adélie bases 144# don't observe daylight saving time, even if Terre Adélie supplies came 145# from Tasmania. 146# 147# French Southern Territories with year-round inhabitants 148# 149# Alfred Faure, Possession Island, Crozet Islands, -462551+0515152, since 1964; 150# sealing & whaling stations operated variously 1802/1911+; 151# see Asia/Dubai. 152# 153# Martin-de-Viviès, Amsterdam Island, -374105+0773155, since 1950 154# Port-aux-Français, Kerguelen Islands, -492110+0701303, since 1951; 155# whaling & sealing station operated 1908/1914, 1920/1929, and 1951/1956 156# 157# St Paul Island - near Amsterdam, uninhabited 158# fishing stations operated variously 1819/1931 159# 160# Kerguelen 161# Zone NAME STDOFF RULES FORMAT [UNTIL] 162Zone Indian/Kerguelen 0 - -00 1950 # Port-aux-Français 163 5:00 - +05 164 165# 166# year-round base in the main continent 167# Dumont d'Urville, Île des Pétrels, -6640+14001, since 1956-11 168# Zone NAME STDOFF RULES FORMAT [UNTIL] 169Zone Antarctica/DumontDUrville 0 - -00 1947 170 10:00 - +10 1952 Jan 14 171 0 - -00 1956 Nov 172 10:00 - +10 173 174# France & Italy - year-round base 175# Concordia, -750600+1232000, since 2005 176 177# Germany - year-round base 178# Neumayer III, -704080-0081602, since 2009 179 180# India - year-round bases 181# Bharati, -692428+0761114, since 2012 182# Maitri, -704558+0114356, since 1989 183 184# Italy - year-round base (also see "France & Italy") 185# Zuchelli, Terra Nova Bay, -744140+1640647, since 1986 186 187# Japan - year-round bases 188# Syowa (also known as Showa), -690022+0393524, since 1957 189# Zone NAME STDOFF RULES FORMAT [UNTIL] 190Zone Antarctica/Syowa 0 - -00 1957 Jan 29 191 3:00 - +03 192 193 194# S Korea - year-round base 195# Jang Bogo, Terra Nova Bay, -743700+1641205 since 2014 196# King Sejong, King George Island, -6213-05847, since 1988 197 198# New Zealand - claims 199# Balleny Islands (never inhabited) 200# Scott Island (never inhabited) 201# 202# year-round base 203# Scott Base, Ross Island, since 1957-01. 204# See Pacific/Auckland. 205 206# Norway - territories 207# Bouvet (never inhabited) 208# 209# claims 210# Peter I Island (never inhabited) 211# 212# year-round base 213# Troll, Queen Maud Land, -720041+0023206, since 2005-02-12 214# 215# From Paul-Inge Flakstad (2014-03-10): 216# I recently had a long dialog about this with the developer of timegenie.com. 217# In the absence of specific dates, he decided to choose some likely ones: 218# GMT +1 - From March 1 to the last Sunday in March 219# GMT +2 - From the last Sunday in March until the last Sunday in October 220# GMT +1 - From the last Sunday in October until November 7 221# GMT +0 - From November 7 until March 1 222# The dates for switching to and from UTC+0 will probably not be absolutely 223# correct, but they should be quite close to the actual dates. 224# 225# From Paul Eggert (2014-03-21): 226# The CET-switching Troll rules require zic from tz 2014b or later, so as 227# suggested by Bengt-Inge Larsson comment them out for now, and approximate 228# with only UTC and CEST. Uncomment them when 2014b is more prevalent. 229# 230# Rule NAME FROM TO - IN ON AT SAVE LETTER/S 231#Rule Troll 2005 max - Mar 1 1:00u 1:00 +01 232Rule Troll 2005 max - Mar lastSun 1:00u 2:00 +02 233#Rule Troll 2005 max - Oct lastSun 1:00u 1:00 +01 234#Rule Troll 2004 max - Nov 7 1:00u 0:00 +00 235# Remove the following line when uncommenting the above '#Rule' lines. 236Rule Troll 2004 max - Oct lastSun 1:00u 0:00 +00 237# Zone NAME STDOFF RULES FORMAT [UNTIL] 238Zone Antarctica/Troll 0 - -00 2005 Feb 12 239 0:00 Troll %s 240 241# Poland - year-round base 242# Arctowski, King George Island, -620945-0582745, since 1977 243 244# Romania - year-bound base 245# Law-Racoviță, Larsemann Hills, -692319+0762251, since 1986 246 247# Russia - year-round bases 248# Bellingshausen, King George Island, -621159-0585337, since 1968-02-22 249# Mirny, Davis coast, -6633+09301, since 1956-02 250# Molodezhnaya, Alasheyev Bay, -6740+04551, 251# year-round from 1962-02 to 1999-07-01 252# Novolazarevskaya, Queen Maud Land, -7046+01150, 253# year-round from 1960/61 to 1992 254 255# Vostok, since 1957-12-16, temporarily closed 1994-02/1994-11 256# Zone NAME STDOFF RULES FORMAT [UNTIL] 257Zone Antarctica/Vostok 0 - -00 1957 Dec 16 258 6:00 - +06 259 260# S Africa - year-round bases 261# Marion Island, -4653+03752 262# SANAE IV, Vesleskarvet, Queen Maud Land, -714022-0025026, since 1997 263 264# Ukraine - year-round base 265# Vernadsky (formerly Faraday), Galindez Island, -651445-0641526, since 1954 266 267# United Kingdom 268# 269# British Antarctic Territories (BAT) claims 270# South Orkney Islands 271# scientific station from 1903 272# whaling station at Signy I 1920/1926 273# South Shetland Islands 274# 275# year-round bases 276# Bird Island, South Georgia, -5400-03803, since 1983 277# Deception Island, -6259-06034, whaling station 1912/1931, 278# scientific station 1943/1967, 279# previously sealers and a scientific expedition wintered by accident, 280# and a garrison was deployed briefly 281# Halley, Coates Land, -7535-02604, since 1956-01-06 282# Halley is on a moving ice shelf and is periodically relocated 283# so that it is never more than 10km from its nominal location. 284# Rothera, Adelaide Island, -6734-6808, since 1976-12-01 285# 286# From Paul Eggert (2002-10-22) 287# <http://webexhibits.org/daylightsaving/g.html> says Rothera is -03 all year. 288# 289# Zone NAME STDOFF RULES FORMAT [UNTIL] 290Zone Antarctica/Rothera 0 - -00 1976 Dec 1 291 -3:00 - -03 292 293# Uruguay - year round base 294# Artigas, King George Island, -621104-0585107 295 296# USA - year-round bases 297# 298# Palmer, Anvers Island, since 1965 (moved 2 miles in 1968) 299# See 'southamerica' for Antarctica/Palmer, since it uses South American DST. 300# 301# McMurdo Station, Ross Island, since 1955-12 302# Amundsen-Scott South Pole Station, continuously occupied since 1956-11-20 303# 304# From Chris Carrier (1996-06-27): 305# Siple, the first commander of the South Pole station, 306# stated that he would have liked to have kept GMT at the station, 307# but that he found it more convenient to keep GMT+12 308# as supplies for the station were coming from McMurdo Sound, 309# which was on GMT+12 because New Zealand was on GMT+12 all year 310# at that time (1957). (Source: Siple's book 90° South.) 311# 312# From Susan Smith 313# http://www.cybertours.com/whs/pole10.html 314# (1995-11-13 16:24:56 +1300, no longer available): 315# We use the same time as McMurdo does. 316# And they use the same time as Christchurch, NZ does.... 317# One last quirk about South Pole time. 318# All the electric clocks are usually wrong. 319# Something about the generators running at 60.1hertz or something 320# makes all of the clocks run fast. So every couple of days, 321# we have to go around and set them back 5 minutes or so. 322# Maybe if we let them run fast all of the time, we'd get to leave here sooner!! 323# 324# See Pacific/Auckland. 325