xref: /netbsd/external/public-domain/tz/dist/africa (revision d703543a)
1# tzdb data for Africa 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# This file is by no means authoritative; if you think you know better,
7# go ahead and edit the file (and please send any changes to
8# tz@iana.org for general use in the future).  For more, please see
9# the file CONTRIBUTING in the tz distribution.
10
11# From Paul Eggert (2018-05-27):
12#
13# Unless otherwise specified, the source for data through 1990 is:
14# Thomas G. Shanks and Rique Pottenger, The International Atlas (6th edition),
15# San Diego: ACS Publications, Inc. (2003).
16# Unfortunately this book contains many errors and cites no sources.
17#
18# Many years ago Gwillim Law wrote that a good source
19# for time zone data was the International Air Transport
20# Association's Standard Schedules Information Manual (IATA SSIM),
21# published semiannually.  Law sent in several helpful summaries
22# of the IATA's data after 1990.  Except where otherwise noted,
23# IATA SSIM is the source for entries after 1990.
24#
25# Another source occasionally used is Edward W. Whitman, World Time Differences,
26# Whitman Publishing Co, 2 Niagara Av, Ealing, London (undated), which
27# I found in the UCLA library.
28#
29# For data circa 1899, a common source is:
30# Milne J. Civil time. Geogr J. 1899 Feb;13(2):173-94.
31# https://www.jstor.org/stable/1774359
32#
33# European-style abbreviations are commonly used along the Mediterranean.
34# For sub-Saharan Africa abbreviations were less standardized.
35# Previous editions of this database used WAT, CAT, SAT, and EAT
36# for UT +00 through +03, respectively,
37# but in 1997 Mark R V Murray reported that
38# 'SAST' is the official abbreviation for +02 in the country of South Africa,
39# 'CAT' is commonly used for +02 in countries north of South Africa, and
40# 'WAT' is probably the best name for +01, as the common phrase for
41# the area that includes Nigeria is "West Africa".
42#
43# To summarize, the following abbreviations seemed to have some currency:
44#	 +00	GMT	Greenwich Mean Time
45#	 +02	CAT	Central Africa Time
46#	 +02	SAST	South Africa Standard Time
47# and Murray suggested the following abbreviation:
48#	 +01	WAT	West Africa Time
49# Murray's suggestion seems to have caught on in news reports and the like.
50# I vaguely recall 'WAT' also being used for -01 in the past but
51# cannot now come up with solid citations.
52#
53# I invented the following abbreviations in the 1990s:
54#	 +02	WAST	West Africa Summer Time
55#	 +03	CAST	Central Africa Summer Time
56#	 +03	SAST	South Africa Summer Time
57#	 +03	EAT	East Africa Time
58# 'EAT' seems to have caught on and is in current timestamps, and though
59# the other abbreviations are rarer and are only in past timestamps,
60# they are paired with better-attested non-DST abbreviations.
61# Corrections are welcome.
62
63# Algeria
64# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
65Rule	Algeria	1916	only	-	Jun	14	23:00s	1:00	S
66Rule	Algeria	1916	1919	-	Oct	Sun>=1	23:00s	0	-
67Rule	Algeria	1917	only	-	Mar	24	23:00s	1:00	S
68Rule	Algeria	1918	only	-	Mar	 9	23:00s	1:00	S
69Rule	Algeria	1919	only	-	Mar	 1	23:00s	1:00	S
70Rule	Algeria	1920	only	-	Feb	14	23:00s	1:00	S
71Rule	Algeria	1920	only	-	Oct	23	23:00s	0	-
72Rule	Algeria	1921	only	-	Mar	14	23:00s	1:00	S
73Rule	Algeria	1921	only	-	Jun	21	23:00s	0	-
74Rule	Algeria	1939	only	-	Sep	11	23:00s	1:00	S
75Rule	Algeria	1939	only	-	Nov	19	 1:00	0	-
76Rule	Algeria	1944	1945	-	Apr	Mon>=1	 2:00	1:00	S
77Rule	Algeria	1944	only	-	Oct	 8	 2:00	0	-
78Rule	Algeria	1945	only	-	Sep	16	 1:00	0	-
79Rule	Algeria	1971	only	-	Apr	25	23:00s	1:00	S
80Rule	Algeria	1971	only	-	Sep	26	23:00s	0	-
81Rule	Algeria	1977	only	-	May	 6	 0:00	1:00	S
82Rule	Algeria	1977	only	-	Oct	21	 0:00	0	-
83Rule	Algeria	1978	only	-	Mar	24	 1:00	1:00	S
84Rule	Algeria	1978	only	-	Sep	22	 3:00	0	-
85Rule	Algeria	1980	only	-	Apr	25	 0:00	1:00	S
86Rule	Algeria	1980	only	-	Oct	31	 2:00	0	-
87# See Europe/Paris for PMT-related transitions.
88# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
89Zone	Africa/Algiers	0:12:12 -	LMT	1891 Mar 16
90			0:09:21	-	PMT	1911 Mar 11 # Paris Mean Time
91			0:00	Algeria	WE%sT	1940 Feb 25  2:00
92			1:00	Algeria	CE%sT	1946 Oct  7
93			0:00	-	WET	1956 Jan 29
94			1:00	-	CET	1963 Apr 14
95			0:00	Algeria	WE%sT	1977 Oct 21
96			1:00	Algeria	CE%sT	1979 Oct 26
97			0:00	Algeria	WE%sT	1981 May
98			1:00	-	CET
99
100# Angola
101# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
102Zone	Africa/Luanda	0:52:56	-	LMT	1892
103			0:52:04	-	LMT	1911 Dec 31 23:00u # Luanda MT?
104			1:00	-	WAT
105
106# Benin
107# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
108Zone Africa/Porto-Novo	0:10:28	-	LMT	1912 Jan  1
109			0:00	-	GMT	1934 Feb 26
110			1:00	-	WAT
111
112# Botswana
113# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
114Zone	Africa/Gaborone	1:43:40 -	LMT	1885
115			1:30	-	SAST	1903 Mar
116			2:00	-	CAT	1943 Sep 19  2:00
117			2:00	1:00	CAST	1944 Mar 19  2:00
118			2:00	-	CAT
119
120# Burkina Faso
121# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
122Zone Africa/Ouagadougou	-0:06:04 -	LMT	1912
123			 0:00	-	GMT
124
125# Burundi
126# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
127Zone Africa/Bujumbura	1:57:28	-	LMT	1890
128			2:00	-	CAT
129
130# Cameroon
131# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
132Zone	Africa/Douala	0:38:48	-	LMT	1912
133			1:00	-	WAT
134
135# Cape Verde / Cabo Verde
136#
137# From Paul Eggert (2018-02-16):
138# Shanks gives 1907 for the transition to +02.
139# For now, ignore that and follow the 1911-05-26 Portuguese decree
140# (see Europe/Lisbon).
141#
142# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
143Zone Atlantic/Cape_Verde -1:34:04 -	LMT	1912 Jan 01  2:00u # Praia
144			-2:00	-	-02	1942 Sep
145			-2:00	1:00	-01	1945 Oct 15
146			-2:00	-	-02	1975 Nov 25  2:00
147			-1:00	-	-01
148
149# Central African Republic
150# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
151Zone	Africa/Bangui	1:14:20	-	LMT	1912
152			1:00	-	WAT
153
154# Chad
155# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
156Zone	Africa/Ndjamena	1:00:12 -	LMT	1912        # N'Djamena
157			1:00	-	WAT	1979 Oct 14
158			1:00	1:00	WAST	1980 Mar  8
159			1:00	-	WAT
160
161# Comoros
162# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
163Zone	Indian/Comoro	2:53:04 -	LMT	1911 Jul # Moroni, Gran Comoro
164			3:00	-	EAT
165
166# Democratic Republic of the Congo
167# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
168Zone Africa/Kinshasa	1:01:12 -	LMT	1897 Nov  9
169			1:00	-	WAT
170
171# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
172Zone Africa/Lubumbashi	1:49:52 -	LMT	1897 Nov  9
173			1:00	-	WAT	1920 Apr 25
174			2:00	-	CAT
175
176# Republic of the Congo
177# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
178Zone Africa/Brazzaville	1:01:08 -	LMT	1912
179			1:00	-	WAT
180
181# Côte d'Ivoire (Ivory Coast)
182
183# The other parts of the St Helena territory are similar:
184#	Tristan da Cunha: on GMT, say Whitman and the CIA
185#	Ascension: on GMT, say the USNO (1995-12-21) and the CIA
186#	Gough (scientific station since 1955; sealers wintered previously):
187#		on GMT, says the CIA
188#	Inaccessible, Nightingale: uninhabited
189
190# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
191Zone	Africa/Abidjan	-0:16:08 -	LMT	1912
192			 0:00	-	GMT
193
194# Djibouti
195# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
196Zone	Africa/Djibouti	2:52:36 -	LMT	1911 Jul
197			3:00	-	EAT
198
199
200###############################################################################
201
202# Egypt
203
204# Milne says Cairo used 2:05:08.9, the local mean time of the Abbasizeh
205# observatory.  Milne also says that the official time for
206# Egypt was mean noon at the Great Pyramid, 2:04:30.5, but apparently this
207# did not apply to Cairo, Alexandria, or Port Said.
208
209# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
210Rule	Egypt	1940	only	-	Jul	15	0:00	1:00	S
211Rule	Egypt	1940	only	-	Oct	 1	0:00	0	-
212Rule	Egypt	1941	only	-	Apr	15	0:00	1:00	S
213Rule	Egypt	1941	only	-	Sep	16	0:00	0	-
214Rule	Egypt	1942	1944	-	Apr	 1	0:00	1:00	S
215Rule	Egypt	1942	only	-	Oct	27	0:00	0	-
216Rule	Egypt	1943	1945	-	Nov	 1	0:00	0	-
217Rule	Egypt	1945	only	-	Apr	16	0:00	1:00	S
218Rule	Egypt	1957	only	-	May	10	0:00	1:00	S
219Rule	Egypt	1957	1958	-	Oct	 1	0:00	0	-
220Rule	Egypt	1958	only	-	May	 1	0:00	1:00	S
221Rule	Egypt	1959	1981	-	May	 1	1:00	1:00	S
222Rule	Egypt	1959	1965	-	Sep	30	3:00	0	-
223Rule	Egypt	1966	1994	-	Oct	 1	3:00	0	-
224Rule	Egypt	1982	only	-	Jul	25	1:00	1:00	S
225Rule	Egypt	1983	only	-	Jul	12	1:00	1:00	S
226Rule	Egypt	1984	1988	-	May	 1	1:00	1:00	S
227Rule	Egypt	1989	only	-	May	 6	1:00	1:00	S
228Rule	Egypt	1990	1994	-	May	 1	1:00	1:00	S
229# IATA (after 1990) says transitions are at 0:00.
230# Go with IATA starting in 1995, except correct 1995 entry from 09-30 to 09-29.
231
232# From Alexander Krivenyshev (2011-04-20):
233# "...Egypt's interim cabinet decided on Wednesday to cancel daylight
234# saving time after a poll posted on its website showed the majority of
235# Egyptians would approve the cancellation."
236#
237# Egypt to cancel daylight saving time
238# http://www.almasryalyoum.com/en/node/407168
239# or
240# http://www.worldtimezone.com/dst_news/dst_news_egypt04.html
241Rule	Egypt	1995	2010	-	Apr	lastFri	 0:00s	1:00	S
242Rule	Egypt	1995	2005	-	Sep	lastThu	24:00	0	-
243# From Steffen Thorsen (2006-09-19):
244# The Egyptian Gazette, issue 41,090 (2006-09-18), page 1, reports:
245# Egypt will turn back clocks by one hour at the midnight of Thursday
246# after observing the daylight saving time since May.
247# http://news.gom.com.eg/gazette/pdf/2006/09/18/01.pdf
248Rule	Egypt	2006	only	-	Sep	21	24:00	0	-
249# From Dirk Losch (2007-08-14):
250# I received a mail from an airline which says that the daylight
251# saving time in Egypt will end in the night of 2007-09-06 to 2007-09-07.
252# From Jesper Nørgaard Welen (2007-08-15): [The following agree:]
253# http://www.nentjes.info/Bill/bill5.htm
254# https://www.timeanddate.com/worldclock/city.html?n=53
255# From Steffen Thorsen (2007-09-04): The official information...:
256# http://www.sis.gov.eg/En/EgyptOnline/Miscellaneous/000002/0207000000000000001580.htm
257Rule	Egypt	2007	only	-	Sep	Thu>=1	24:00	0	-
258# From Abdelrahman Hassan (2007-09-06):
259# Due to the Hijri (lunar Islamic calendar) year being 11 days shorter
260# than the year of the Gregorian calendar, Ramadan shifts earlier each
261# year. This year it will be observed September 13 (September is quite
262# hot in Egypt), and the idea is to make fasting easier for workers by
263# shifting business hours one hour out of daytime heat. Consequently,
264# unless discontinued, next DST may end Thursday 28 August 2008.
265# From Paul Eggert (2007-08-17):
266# For lack of better info, assume the new rule is last Thursday in August.
267
268# From Petr Machata (2009-04-06):
269# The following appeared in Red Hat bugzilla[1] (edited):
270#
271# > $ zdump -v /usr/share/zoneinfo/Africa/Cairo | grep 2009
272# > /usr/share/zoneinfo/Africa/Cairo  Thu Apr 23 21:59:59 2009 UTC = Thu =
273# Apr 23
274# > 23:59:59 2009 EET isdst=0 gmtoff=7200
275# > /usr/share/zoneinfo/Africa/Cairo  Thu Apr 23 22:00:00 2009 UTC = Fri =
276# Apr 24
277# > 01:00:00 2009 EEST isdst=1 gmtoff=10800
278# > /usr/share/zoneinfo/Africa/Cairo  Thu Aug 27 20:59:59 2009 UTC = Thu =
279# Aug 27
280# > 23:59:59 2009 EEST isdst=1 gmtoff=10800
281# > /usr/share/zoneinfo/Africa/Cairo  Thu Aug 27 21:00:00 2009 UTC = Thu =
282# Aug 27
283# > 23:00:00 2009 EET isdst=0 gmtoff=7200
284#
285# > end date should be Thu Sep 24 2009 (Last Thursday in September at 23:59=
286# :59)
287# > http://support.microsoft.com/kb/958729/
288#
289# timeanddate[2] and another site I've found[3] also support that.
290#
291# [1] https://bugzilla.redhat.com/show_bug.cgi?id=492263
292# [2] https://www.timeanddate.com/worldclock/clockchange.html?n=53
293# [3] https://wwp.greenwichmeantime.com/time-zone/africa/egypt/
294
295# From Arthur David Olson (2009-04-20):
296# In 2009 (and for the next several years), Ramadan ends before the fourth
297# Thursday in September; Egypt is expected to revert to the last Thursday
298# in September.
299
300# From Steffen Thorsen (2009-08-11):
301# We have been able to confirm the August change with the Egyptian Cabinet
302# Information and Decision Support Center:
303# https://www.timeanddate.com/news/time/egypt-dst-ends-2009.html
304#
305# The Middle East News Agency
306# https://www.mena.org.eg/index.aspx
307# also reports "Egypt starts winter time on August 21"
308# today in article numbered "71, 11/08/2009 12:25 GMT."
309# Only the title above is available without a subscription to their service,
310# and can be found by searching for "winter" in their search engine
311# (at least today).
312
313# From Alexander Krivenyshev (2010-07-20):
314# According to News from Egypt - Al-Masry Al-Youm Egypt's cabinet has
315# decided that Daylight Saving Time will not be used in Egypt during
316# Ramadan.
317#
318# Arabic translation:
319# "Clocks to go back during Ramadan - and then forward again"
320# http://www.almasryalyoum.com/en/news/clocks-go-back-during-ramadan-and-then-forward-again
321# http://www.worldtimezone.com/dst_news/dst_news_egypt02.html
322
323# From Ahmad El-Dardiry (2014-05-07):
324# Egypt is to change back to Daylight system on May 15
325# http://english.ahram.org.eg/NewsContent/1/64/100735/Egypt/Politics-/Egypts-government-to-reapply-daylight-saving-time-.aspx
326
327# From Gunther Vermier (2014-05-13):
328# our Egypt office confirms that the change will be at 15 May "midnight" (24:00)
329
330# From Imed Chihi (2014-06-04):
331# We have finally "located" a precise official reference about the DST changes
332# in Egypt.  The Ministers Cabinet decision is explained at
333# http://www.cabinet.gov.eg/Media/CabinetMeetingsDetails.aspx?id=347 ...
334# [T]his (Arabic) site is not accessible outside Egypt, but the page ...
335# translates into: "With regard to daylight saving time, it is scheduled to
336# take effect at exactly twelve o'clock this evening, Thursday, 15 MAY 2014,
337# to be suspended by twelve o'clock on the evening of Thursday, 26 JUN 2014,
338# and re-established again at the end of the month of Ramadan, at twelve
339# o'clock on the evening of Thursday, 31 JUL 2014."  This statement has been
340# reproduced by other (more accessible) sites[, e.g.,]...
341# http://elgornal.net/news/news.aspx?id=4699258
342
343# From Paul Eggert (2014-06-04):
344# Sarah El Deeb and Lee Keath of AP report that the Egyptian government says
345# the change is because of blackouts in Cairo, even though Ahram Online (cited
346# above) says DST had no affect on electricity consumption.  There is
347# no information about when DST will end this fall.  See:
348# http://abcnews.go.com/International/wireStory/el-sissi-pushes-egyptians-line-23614833
349
350# From Steffen Thorsen (2015-04-08):
351# Egypt will start DST on midnight after Thursday, April 30, 2015.
352# This is based on a law (no 35) from May 15, 2014 saying it starts the last
353# Thursday of April....  Clocks will still be turned back for Ramadan, but
354# dates not yet announced....
355# http://almogaz.com/news/weird-news/2015/04/05/1947105 ...
356# https://www.timeanddate.com/news/time/egypt-starts-dst-2015.html
357
358# From Ahmed Nazmy (2015-04-20):
359# Egypt's ministers cabinet just announced ... that it will cancel DST at
360# least for 2015.
361#
362# From Tim Parenti (2015-04-20):
363# http://english.ahram.org.eg/WriterArticles/NewsContentP/1/128195/Egypt/No-daylight-saving-this-summer-Egypts-prime-minist.aspx
364# "Egypt's cabinet agreed on Monday not to switch clocks for daylight saving
365# time this summer, and carry out studies on the possibility of canceling the
366# practice altogether in future years."
367#
368# From Paul Eggert (2015-04-24):
369# Yesterday the office of Egyptian President El-Sisi announced his
370# decision to abandon DST permanently.  See Ahram Online 2015-04-24.
371# http://english.ahram.org.eg/NewsContent/1/64/128509/Egypt/Politics-/Sisi-cancels-daylight-saving-time-in-Egypt.aspx
372
373# From Steffen Thorsen (2016-04-29):
374# Egypt will have DST from July 7 until the end of October....
375# http://english.ahram.org.eg/NewsContentP/1/204655/Egypt/Daylight-savings-time-returning-to-Egypt-on--July.aspx
376# From Mina Samuel (2016-07-04):
377# Egyptian government took the decision to cancel the DST,
378
379# From Ahmad ElDardiry (2023-03-01):
380# Egypt officially announced today that daylight savings will be
381# applied from last Friday of April to last Thursday of October.
382# From Paul Eggert (2023-03-01):
383# Assume transitions are at 00:00 and 24:00 respectively.
384# From Amir Adib (2023-03-07):
385# https://www.facebook.com/EgyptianCabinet/posts/638829614954129/
386
387Rule	Egypt	2008	only	-	Aug	lastThu	24:00	0	-
388Rule	Egypt	2009	only	-	Aug	20	24:00	0	-
389Rule	Egypt	2010	only	-	Aug	10	24:00	0	-
390Rule	Egypt	2010	only	-	Sep	 9	24:00	1:00	S
391Rule	Egypt	2010	only	-	Sep	lastThu	24:00	0	-
392Rule	Egypt	2014	only	-	May	15	24:00	1:00	S
393Rule	Egypt	2014	only	-	Jun	26	24:00	0	-
394Rule	Egypt	2014	only	-	Jul	31	24:00	1:00	S
395Rule	Egypt	2014	only	-	Sep	lastThu	24:00	0	-
396Rule	Egypt	2023	max	-	Apr	lastFri	 0:00	1:00	S
397Rule	Egypt	2023	max	-	Oct	lastThu	24:00	0	-
398
399# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
400		#STDOFF	2:05:08.9
401Zone	Africa/Cairo	2:05:09 -	LMT	1900 Oct
402			2:00	Egypt	EE%sT
403
404# Equatorial Guinea
405# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
406Zone	Africa/Malabo	0:35:08 -	LMT	1912
407			0:00	-	GMT	1963 Dec 15
408			1:00	-	WAT
409
410# Eritrea
411# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
412Zone	Africa/Asmara	2:35:32 -	LMT	1870
413			2:35:32	-	AMT	1890        # Asmara Mean Time
414			2:35:20	-	ADMT	1936 May  5 # Adis Dera MT
415			3:00	-	EAT
416
417# Eswatini (formerly Swaziland)
418# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
419Zone	Africa/Mbabane	2:04:24 -	LMT	1903 Mar
420			2:00	-	SAST
421
422# Ethiopia
423# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
424Zone Africa/Addis_Ababa	2:34:48 -	LMT	1870
425			2:35:20	-	ADMT	1936 May  5 # Adis Dera MT
426			3:00	-	EAT
427
428# Gabon
429# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
430Zone Africa/Libreville	0:37:48 -	LMT	1912
431			1:00	-	WAT
432
433# The Gambia
434# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
435Zone	Africa/Banjul	-1:06:36 -	LMT	1912
436			-1:06:36 -	BMT	1933 Apr  1 # Banjul Mean Time
437			-1:00	-	-01	1942 Feb  1  0:00
438			 0:00	-	GMT
439
440# Ghana
441# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
442Rule	Ghana	1919	only	-	Nov	24	0:00	0:20	+0020
443Rule	Ghana	1920	1942	-	Jan	 1	2:00	0	GMT
444Rule	Ghana	1920	1939	-	Sep	 1	2:00	0:20	+0020
445Rule	Ghana	1940	1941	-	May	 1	2:00	0:20	+0020
446Rule	Ghana	1950	1955	-	Sep	 1	2:00	0:30	+0030
447Rule	Ghana	1951	1956	-	Jan	 1	2:00	0	GMT
448
449# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
450Zone	Africa/Accra	-0:00:52 -	LMT	1915 Nov  2
451			 0:00	Ghana	%s	1942 Feb  8
452			 0:30	-	+0030	1946 Jan  6
453			 0:00	Ghana	%s
454
455# Guinea
456# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
457Zone	Africa/Conakry	-0:54:52 -	LMT	1912
458			 0:00	-	GMT	1934 Feb 26
459			-1:00	-	-01	1960
460			 0:00	-	GMT
461
462# Guinea-Bissau
463#
464# From Paul Eggert (2018-02-16):
465# Shanks gives 1911-05-26 for the transition to WAT,
466# evidently confusing the date of the Portuguese decree
467# (see Europe/Lisbon) with the date that it took effect.
468#
469# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
470Zone	Africa/Bissau	-1:02:20 -	LMT	1912 Jan  1  1:00u
471			-1:00	-	-01	1975
472			 0:00	-	GMT
473
474# Kenya
475
476# From P Chan (2020-10-24):
477#
478# The standard time of GMT+2:30 was adopted in the East Africa Protectorate....
479# [The Official Gazette, 1908-05-01, p 274]
480# https://books.google.com/books?id=e-cAC-sjPSEC&pg=PA274
481#
482# At midnight on 30 June 1928 the clocks throughout Kenya was put forward
483# half an hour by the Alteration of Time Ordinance, 1928.
484# https://gazettes.africa/archive/ke/1928/ke-government-gazette-dated-1928-05-11-no-28.pdf
485# [Ordinance No. 11 of 1928, The Official Gazette, 1928-06-26, p 813]
486# https://books.google.com/books?id=2S0S6os32ZUC&pg=PA813
487#
488# The 1928 ordinance was repealed by the Alteration of Time (repeal) Ordinance,
489# 1929 and the time was restored to GMT+2:30 at midnight on 4 January 1930.
490# [Ordinance No. 97 of 1929, The Official Gazette, 1929-12-31, p 2701]
491# https://books.google.com/books?id=_g18jIZQlwwC&pg=PA2701
492#
493# The Alteration of Time Ordinance, 1936 changed the time to GMT+2:45
494# and repealed the previous ordinance at midnight on 31 December 1936.
495# [The Official Gazette, 1936-07-21, p 705]
496# https://books.google.com/books?id=K7j41z0aC5wC&pg=PA705
497#
498# The Defence (Amendment of Laws No. 120) Regulations changed the time
499# to GMT+3 at midnight on 31 July 1942.
500# [Kenya Official Gazette Supplement No. 32, 1942-07-21, p 331]
501# https://books.google.com/books?hl=zh-TW&id=c_E-AQAAIAAJ&pg=PA331
502# The provision of the 1936 ordinance was not repealed and was later
503# incorporated in the Interpretation and General Clauses Ordinance in 1948.
504# Although it was overridden by the 1942 regulations.
505# [The Laws of Kenya in force on 1948-09-21, Title I, Chapter 1, 31]
506# https://dds.crl.edu/item/217517 (p.101)
507# In 1950 the Interpretation and General Clauses Ordinance was amended to adopt
508# GMT+3 permanently as the 1942 regulations were due to expire on 10 December.
509# https://books.google.com/books?id=jvR8mUDAwR0C&pg=PA787
510# [Ordinance No. 44 of 1950, Kenya Ordinances 1950, Vol. XXIX, p 294]
511# https://books.google.com/books?id=-_dQAQAAMAAJ&pg=PA294
512
513# From Paul Eggert (2020-10-24):
514# The 1908-05-01 announcement does not give an effective date,
515# so just say "1908 May".
516
517# From Paul Eggert (2018-09-11):
518# Unfortunately tzdb records only Western clock time in use in Ethiopia,
519# as the tzdb format is not up to properly recording a common Ethiopian
520# timekeeping practice that is based on solar time.  See:
521# Mortada D. If you have a meeting in Ethiopia, you'd better double
522# check the time. PRI's The World. 2015-01-30 15:15 -05.
523# https://www.pri.org/stories/2015-01-30/if-you-have-meeting-ethiopia-you-better-double-check-time
524
525# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
526Zone	Africa/Nairobi	2:27:16	-	LMT	1908 May
527			2:30	-	+0230	1928 Jun 30 24:00
528			3:00	-	EAT	1930 Jan  4 24:00
529			2:30	-	+0230	1936 Dec 31 24:00
530			2:45	-	+0245	1942 Jul 31 24:00
531			3:00	-	EAT
532
533# Lesotho
534# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
535Zone	Africa/Maseru	1:50:00 -	LMT	1903 Mar
536			2:00	-	SAST	1943 Sep 19  2:00
537			2:00	1:00	SAST	1944 Mar 19  2:00
538			2:00	-	SAST
539
540# Liberia
541#
542# From Paul Eggert (2017-03-02):
543#
544# The Nautical Almanac for the Year 1970, p 264, is the source for -0:44:30.
545#
546# In 1972 Liberia was the last country to switch from a UT offset
547# that was not a multiple of 15 or 20 minutes.  The 1972 change was on
548# 1972-01-07, according to an entry dated 1972-01-04 on p 330 of:
549# Presidential Papers: First year of the administration of
550# President William R. Tolbert, Jr., July 23, 1971-July 31, 1972.
551# Monrovia: Executive Mansion.
552#
553# Use the abbreviation "MMT" before 1972, as the more accurate numeric
554# abbreviation "-004430" would be one byte over the POSIX limit.
555#
556# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
557Zone	Africa/Monrovia	-0:43:08 -	LMT	1882
558			-0:43:08 -	MMT	1919 Mar # Monrovia Mean Time
559			-0:44:30 -	MMT	1972 Jan 7 # approximately MMT
560			 0:00	-	GMT
561
562###############################################################################
563
564# Libya
565
566# From Even Scharning (2012-11-10):
567# Libya set their time one hour back at 02:00 on Saturday November 10.
568# https://www.libyaherald.com/2012/11/04/clocks-to-go-back-an-hour-on-saturday/
569# Here is an official source [in Arabic]: http://ls.ly/fb6Yc
570#
571# Steffen Thorsen forwarded a translation (2012-11-10) in
572# https://mm.icann.org/pipermail/tz/2012-November/018451.html
573#
574# From Tim Parenti (2012-11-11):
575# Treat the 2012-11-10 change as a zone change from UTC+2 to UTC+1.
576# The DST rules planned for 2013 and onward roughly mirror those of Europe
577# (either two days before them or five days after them, so as to fall on
578# lastFri instead of lastSun).
579
580# From Even Scharning (2013-10-25):
581# The scheduled end of DST in Libya on Friday, October 25, 2013 was
582# cancelled yesterday....
583# https://www.libyaherald.com/2013/10/24/correction-no-time-change-tomorrow/
584#
585# From Paul Eggert (2013-10-25):
586# For now, assume they're reverting to the pre-2012 rules of permanent UT +02.
587
588# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
589Rule	Libya	1951	only	-	Oct	14	2:00	1:00	S
590Rule	Libya	1952	only	-	Jan	 1	0:00	0	-
591Rule	Libya	1953	only	-	Oct	 9	2:00	1:00	S
592Rule	Libya	1954	only	-	Jan	 1	0:00	0	-
593Rule	Libya	1955	only	-	Sep	30	0:00	1:00	S
594Rule	Libya	1956	only	-	Jan	 1	0:00	0	-
595Rule	Libya	1982	1984	-	Apr	 1	0:00	1:00	S
596Rule	Libya	1982	1985	-	Oct	 1	0:00	0	-
597Rule	Libya	1985	only	-	Apr	 6	0:00	1:00	S
598Rule	Libya	1986	only	-	Apr	 4	0:00	1:00	S
599Rule	Libya	1986	only	-	Oct	 3	0:00	0	-
600Rule	Libya	1987	1989	-	Apr	 1	0:00	1:00	S
601Rule	Libya	1987	1989	-	Oct	 1	0:00	0	-
602Rule	Libya	1997	only	-	Apr	 4	0:00	1:00	S
603Rule	Libya	1997	only	-	Oct	 4	0:00	0	-
604Rule	Libya	2013	only	-	Mar	lastFri	1:00	1:00	S
605Rule	Libya	2013	only	-	Oct	lastFri	2:00	0	-
606# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
607Zone	Africa/Tripoli	0:52:44 -	LMT	1920
608			1:00	Libya	CE%sT	1959
609			2:00	-	EET	1982
610			1:00	Libya	CE%sT	1990 May  4
611# The 1996 and 1997 entries are from Shanks & Pottenger;
612# the IATA SSIM data entries contain some obvious errors.
613			2:00	-	EET	1996 Sep 30
614			1:00	Libya	CE%sT	1997 Oct  4
615			2:00	-	EET	2012 Nov 10  2:00
616			1:00	Libya	CE%sT	2013 Oct 25  2:00
617			2:00	-	EET
618
619# Madagascar
620# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
621Zone Indian/Antananarivo 3:10:04 -	LMT	1911 Jul
622			3:00	-	EAT	1954 Feb 27 23:00s
623			3:00	1:00	EAST	1954 May 29 23:00s
624			3:00	-	EAT
625
626# Malawi
627# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
628Zone	Africa/Blantyre	2:20:00 -	LMT	1911 Jul 24
629			2:21:10	-	ZMT	1914 Jun 30 # Zomba Mean Time
630			2:21	-	ZMT	1925 Jul  1
631			2:00	-	CAT
632
633# Mali
634# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
635Zone	Africa/Bamako	-0:32:00 -	LMT	1912
636			 0:00	-	GMT	1934 Feb 26
637			-1:00	-	-01	1960 Jun 20
638			 0:00	-	GMT
639#PACKRATLIST zone.tab Link Africa/Bamako Africa/Timbuktu
640
641# Mauritania
642# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
643Zone Africa/Nouakchott	-1:03:48 -	LMT	1912
644			 0:00	-	GMT	1934 Feb 26
645			-1:00	-	-01	1960 Nov 28
646			 0:00	-	GMT
647
648# Mauritius
649
650# From Steffen Thorsen (2008-06-25):
651# Mauritius plans to observe DST from 2008-11-01 to 2009-03-31 on a trial
652# basis....
653# It seems that Mauritius observed daylight saving time from 1982-10-10 to
654# 1983-03-20 as well, but that was not successful....
655# https://www.timeanddate.com/news/time/mauritius-daylight-saving-time.html
656
657# From Alex Krivenyshev (2008-06-25):
658# http://economicdevelopment.gov.mu/portal/site/Mainhomepage/menuitem.a42b24128104d9845dabddd154508a0c/?content_id=0a7cee8b5d69a110VgnVCM1000000a04a8c0RCRD
659
660# From Arthur David Olson (2008-06-30):
661# The www.timeanddate.com article cited by Steffen Thorsen notes that "A
662# final decision has yet to be made on the times that daylight saving
663# would begin and end on these dates." As a place holder, use midnight.
664
665# From Paul Eggert (2008-06-30):
666# Follow Thorsen on DST in 1982/1983, instead of Shanks & Pottenger.
667
668# From Steffen Thorsen (2008-07-10):
669# According to
670# http://www.lexpress.mu/display_article.php?news_id=111216
671# (in French), Mauritius will start and end their DST a few days earlier
672# than previously announced (2008-11-01 to 2009-03-31).  The new start
673# date is 2008-10-26 at 02:00 and the new end date is 2009-03-27 (no time
674# given, but it is probably at either 2 or 3 wall clock time).
675#
676# A little strange though, since the article says that they moved the date
677# to align itself with Europe and USA which also change time on that date,
678# but that means they have not paid attention to what happened in
679# USA/Canada last year (DST ends first Sunday in November). I also wonder
680# why that they end on a Friday, instead of aligning with Europe which
681# changes two days later.
682
683# From Alex Krivenyshev (2008-07-11):
684# Seems that English language article "The revival of daylight saving
685# time: Energy conservation?"- No. 16578 (07/11/2008) was originally
686# published on Monday, June 30, 2008...
687#
688# I guess that article in French "Le gouvernement avance l'introduction
689# de l'heure d'été" stating that DST in Mauritius starting on October 26
690# and ending on March 27, 2009 is the most recent one....
691# http://www.worldtimezone.com/dst_news/dst_news_mauritius02.html
692
693# From Riad M. Hossen Ally (2008-08-03):
694# The Government of Mauritius weblink
695# http://www.gov.mu/portal/site/pmosite/menuitem.4ca0efdee47462e7440a600248a521ca/?content_id=4728ca68b2a5b110VgnVCM1000000a04a8c0RCRD
696# Cabinet Decision of July 18th, 2008 states as follows:
697#
698# 4. ...Cabinet has agreed to the introduction into the National Assembly
699# of the Time Bill which provides for the introduction of summer time in
700# Mauritius. The summer time period which will be of one hour ahead of
701# the standard time, will be aligned with that in Europe and the United
702# States of America. It will start at two o'clock in the morning on the
703# last Sunday of October and will end at two o'clock in the morning on
704# the last Sunday of March the following year. The summer time for the
705# year 2008-2009 will, therefore, be effective as from 26 October 2008
706# and end on 29 March 2009.
707
708# From Ed Maste (2008-10-07):
709# THE TIME BILL (No. XXVII of 2008) Explanatory Memorandum states the
710# beginning / ending of summer time is 2 o'clock standard time in the
711# morning of the last Sunday of October / last Sunday of March.
712# http://www.gov.mu/portal/goc/assemblysite/file/bill2708.pdf
713
714# From Steffen Thorsen (2009-06-05):
715# According to several sources, Mauritius will not continue to observe
716# DST the coming summer...
717#
718# Some sources, in French:
719# http://www.defimedia.info/news/946/Rashid-Beebeejaun-:-«-L%E2%80%99heure-d%E2%80%99été-ne-sera-pas-appliquée-cette-année-»
720# http://lexpress.mu/Story/3398~Beebeejaun---Les-objectifs-d-économie-d-énergie-de-l-heure-d-été-ont-été-atteints-
721#
722# Our wrap-up:
723# https://www.timeanddate.com/news/time/mauritius-dst-will-not-repeat.html
724
725# From Arthur David Olson (2009-07-11):
726# The "mauritius-dst-will-not-repeat" wrapup includes this:
727# "The trial ended on March 29, 2009, when the clocks moved back by one hour
728# at 2am (or 02:00) local time..."
729
730# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
731Rule Mauritius	1982	only	-	Oct	10	0:00	1:00	-
732Rule Mauritius	1983	only	-	Mar	21	0:00	0	-
733Rule Mauritius	2008	only	-	Oct	lastSun	2:00	1:00	-
734Rule Mauritius	2009	only	-	Mar	lastSun	2:00	0	-
735# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
736Zone Indian/Mauritius	3:50:00 -	LMT	1907 # Port Louis
737			4:00 Mauritius	+04/+05
738# Agalega Is, Rodriguez
739# no information; probably like Indian/Mauritius
740
741
742# Morocco
743# See Africa/Ceuta for Spanish Morocco.
744
745# Mayotte
746# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
747Zone	Indian/Mayotte	3:00:56 -	LMT	1911 Jul # Mamoutzou
748			3:00	-	EAT
749
750# Morocco
751
752# From Alex Krivenyshev (2008-05-09):
753# Here is an article that Morocco plan to introduce Daylight Saving Time between
754# 1 June, 2008 and 27 September, 2008.
755#
756# "... Morocco is to save energy by adjusting its clock during summer so it will
757# be one hour ahead of GMT between 1 June and 27 September, according to
758# Communication Minister and Government Spokesman, Khalid Naciri...."
759#
760# http://www.worldtimezone.com/dst_news/dst_news_morocco01.html
761# http://en.afrik.com/news11892.html
762
763# From Alex Krivenyshev (2008-05-09):
764# The Morocco time change can be confirmed on Morocco web site Maghreb Arabe
765# Presse:
766# http://www.map.ma/eng/sections/box3/morocco_shifts_to_da/view
767#
768# Morocco shifts to daylight time on June 1st through September 27, Govt.
769# spokesman.
770
771# From Patrice Scattolin (2008-05-09):
772# According to this article:
773# https://www.avmaroc.com/actualite/heure-dete-comment-a127896.html
774# (and republished here: <http://www.actu.ma/heure-dete-comment_i127896_0.html>)
775# the changes occur at midnight:
776#
777# Saturday night May 31st at midnight (which in French is to be
778# interpreted as the night between Saturday and Sunday)
779# Sunday night the 28th at midnight
780#
781# Seeing that the 28th is Monday, I am guessing that she intends to say
782# the midnight of the 28th which is the midnight between Sunday and
783# Monday, which jives with other sources that say that it's inclusive
784# June 1st to Sept 27th.
785#
786# The decision was taken by decree *2-08-224 *but I can't find the decree
787# published on the web.
788#
789# It's also confirmed here:
790# http://www.maroc.ma/NR/exeres/FACF141F-D910-44B0-B7FA-6E03733425D1.htm
791# on a government portal as being between June 1st and Sept 27th (not yet
792# posted in English).
793#
794# The following Google query will generate many relevant hits:
795# https://www.google.com/search?hl=en&q=Conseil+de+gouvernement+maroc+heure+avance&btnG=Search
796
797# From Steffen Thorsen (2008-08-27):
798# Morocco will change the clocks back on the midnight between August 31
799# and September 1. They originally planned to observe DST to near the end
800# of September:
801#
802# One article about it (in French):
803# http://www.menara.ma/fr/Actualites/Maroc/Societe/ci.retour_a_l_heure_gmt_a_partir_du_dimanche_31_aout_a_minuit_officiel_.default
804#
805# We have some further details posted here:
806# https://www.timeanddate.com/news/time/morocco-ends-dst-early-2008.html
807
808# From Steffen Thorsen (2009-03-17):
809# Morocco will observe DST from 2009-06-01 00:00 to 2009-08-21 00:00 according
810# to many sources, such as
811# http://news.marweb.com/morocco/entertainment/morocco-daylight-saving.html
812# http://www.medi1sat.ma/fr/depeche.aspx?idp=2312
813# (French)
814#
815# Our summary:
816# https://www.timeanddate.com/news/time/morocco-starts-dst-2009.html
817
818# From Alexander Krivenyshev (2009-03-17):
819# Here is a link to official document from Royaume du Maroc Premier Ministre,
820# Ministère de la Modernisation des Secteurs Publics
821#
822# Under Article 1 of Royal Decree No. 455-67 of Act 23 safar 1387 (2 June 1967)
823# concerning the amendment of the legal time, the Ministry of Modernization of
824# Public Sectors announced that the official time in the Kingdom will be
825# advanced 60 minutes from Sunday 31 May 2009 at midnight.
826#
827# http://www.mmsp.gov.ma/francais/Actualites_fr/PDF_Actualites_Fr/HeureEte_FR.pdf
828# http://www.worldtimezone.com/dst_news/dst_news_morocco03.html
829
830# From Steffen Thorsen (2010-04-13):
831# Several news media in Morocco report that the Ministry of Modernization
832# of Public Sectors has announced that Morocco will have DST from
833# 2010-05-02 to 2010-08-08.
834#
835# Example:
836# http://www.lavieeco.com/actualites/4099-le-maroc-passera-a-l-heure-d-ete-gmt1-le-2-mai.html
837# (French)
838# Our page:
839# https://www.timeanddate.com/news/time/morocco-starts-dst-2010.html
840
841# From Dan Abitol (2011-03-30):
842# ...Rules for Africa/Casablanca are the following (24h format)
843# The 3rd April 2011 at 00:00:00, [it] will be 3rd April 01:00:00
844# The 31st July 2011 at 00:59:59, [it] will be 31st July 00:00:00
845# ...Official links of change in morocco
846# The change was broadcast on the FM Radio
847# I ve called ANRT (telecom regulations in Morocco) at
848# +212.537.71.84.00
849# http://www.anrt.net.ma/fr/
850# They said that
851# http://www.map.ma/fr/sections/accueil/l_heure_legale_au_ma/view
852# is the official publication to look at.
853# They said that the decision was already taken.
854#
855# More articles in the press
856# https://www.yabiladi.com/articles/details/5058/secret-l-heure-d-ete-maroc-leve.html
857# http://www.lematin.ma/Actualite/Express/Article.asp?id=148923
858# http://www.lavieeco.com/actualite/Le-Maroc-passe-sur-GMT+1-a-partir-de-dim
859
860# From Petr Machata (2011-03-30):
861# They have it written in English here:
862# http://www.map.ma/eng/sections/home/morocco_to_spring_fo/view
863#
864# It says there that "Morocco will resume its standard time on July 31,
865# 2011 at midnight." Now they don't say whether they mean midnight of
866# wall clock time (i.e. 11pm UTC), but that's what I would assume. It has
867# also been like that in the past.
868
869# From Alexander Krivenyshev (2012-03-09):
870# According to Infomédiaire web site from Morocco (infomediaire.ma),
871# on March 9, 2012, (in French) Heure légale:
872# Le Maroc adopte officiellement l'heure d'été
873# http://www.infomediaire.ma/news/maroc/heure-légale-le-maroc-adopte-officiellement-lheure-dété
874# Governing Council adopted draft decree, that Morocco DST starts on
875# the last Sunday of March (March 25, 2012) and ends on
876# last Sunday of September (September 30, 2012)
877# except the month of Ramadan.
878# or (brief)
879# http://www.worldtimezone.com/dst_news/dst_news_morocco06.html
880
881# From Arthur David Olson (2012-03-10):
882# The infomediaire.ma source indicates that the system is to be in
883# effect every year. It gives 03H00 as the "fall back" time of day;
884# it lacks a "spring forward" time of day; assume 2:00 XXX.
885# Wait on specifying the Ramadan exception for details about
886# start date, start time of day, end date, and end time of day XXX.
887
888# From Christophe Tropamer (2012-03-16):
889# Seen Morocco change again:
890# http://www.le2uminutes.com/actualite.php
891# "...à partir du dernier dimanche d'avril et non fins mars,
892# comme annoncé précédemment."
893
894# From Milamber Space Network (2012-07-17):
895# The official return to GMT is announced by the Moroccan government:
896# http://www.mmsp.gov.ma/fr/actualites.aspx?id=288 [in French]
897#
898# Google translation, lightly edited:
899# Back to the standard time of the Kingdom (GMT)
900# Pursuant to Decree No. 2-12-126 issued on 26 Jumada (I) 1433 (April 18,
901# 2012) and in accordance with the order of Mr. President of the
902# Government No. 3-47-12 issued on 24 Sha'ban (11 July 2012), the Ministry
903# of Public Service and Administration Modernization announces the return
904# of the legal time of the Kingdom (GMT) from Friday, July 20, 2012 until
905# Monday, August 20, 2012.  So the time will be delayed by 60 minutes from
906# 3:00 am Friday, July 20, 2012 and will again be advanced by 60 minutes
907# August 20, 2012 from 2:00 am.
908
909# From Paul Eggert (2013-03-06):
910# Morocco's daylight-saving transitions due to Ramadan seem to be
911# announced a bit in advance.  On 2012-07-11 the Moroccan government
912# announced that year's Ramadan daylight-saving transitions would be
913# 2012-07-20 and 2012-08-20; see
914# http://www.mmsp.gov.ma/fr/actualites.aspx?id=288
915
916# From Andrew Paprocki (2013-07-02):
917# Morocco announced that the year's Ramadan daylight-savings
918# transitions would be 2013-07-07 and 2013-08-10; see:
919# http://www.maroc.ma/en/news/morocco-suspends-daylight-saving-time-july-7-aug10
920
921# From Steffen Thorsen (2013-09-28):
922# Morocco extends DST by one month, on very short notice, just 1 day
923# before it was going to end.  There is a new decree (2.13.781) for
924# this, where DST from now on goes from last Sunday of March at 02:00
925# to last Sunday of October at 03:00, similar to EU rules.  Official
926# source (French):
927# http://www.maroc.gov.ma/fr/actualites/lhoraire-dete-gmt1-maintenu-jusquau-27-octobre-2013
928# Another source (specifying the time for start and end in the decree):
929# http://www.lemag.ma/Heure-d-ete-au-Maroc-jusqu-au-27-octobre_a75620.html
930
931# From Sebastien Willemijns (2014-03-18):
932# http://www.afriquinfos.com/articles/2014/3/18/maroc-heure-dete-avancez-tous-horloges-247891.asp
933
934# From Milamber Space Network (2014-06-05):
935# The Moroccan government has recently announced that the country will return
936# to standard time at 03:00 on Saturday, June 28, 2014 local time....  DST
937# will resume again at 02:00 on Saturday, August 2, 2014....
938# http://www.mmsp.gov.ma/fr/actualites.aspx?id=586
939
940# From Milamber (2015-06-08):
941# (Google Translation) The hour will thus be delayed 60 minutes
942# Sunday, June 14 at 3:00, the ministry said in a statement, adding
943# that the time will be advanced again 60 minutes Sunday, July 19,
944# 2015 at 2:00.  The move comes under 2.12.126 Decree of 26 Jumada I
945# 1433 (18 April 2012) and the decision of the Head of Government of
946# 16 N. 3-29-15 Chaaban 1435 (4 June 2015).
947# Source (french):
948# https://lnt.ma/le-maroc-reculera-dune-heure-le-dimanche-14-juin/
949#
950# From Milamber (2015-06-09):
951# http://www.mmsp.gov.ma/fr/actualites.aspx?id=863
952#
953# From Michael Deckers (2015-06-09):
954# [The gov.ma announcement] would (probably) make the switch on 2015-07-19 go
955# from 03:00 to 04:00 rather than from 02:00 to 03:00, as in the patch....
956# I think the patch is correct and the quoted text is wrong; the text in
957# <https://lnt.ma/le-maroc-reculera-dune-heure-le-dimanche-14-juin/> agrees
958# with the patch.
959
960# From Mohamed Essedik Najd (2018-10-26):
961# Today, a Moroccan government council approved the perpetual addition
962# of 60 minutes to the regular Moroccan timezone.
963# From Matt Johnson (2018-10-28):
964# http://www.sgg.gov.ma/Portals/1/BO/2018/BO_6720-bis_Ar.pdf
965#
966# From Maamar Abdelkader (2018-11-01):
967# We usually move clocks back the previous week end and come back to the +1
968# the week end after....  The government does not announce yet the decision
969# about this temporary change.  But it s 99% sure that it will be the case,
970# as in previous years.  An unofficial survey was done these days, showing
971# that 64% of asked people are ok for moving from +1 to +0 during Ramadan.
972# https://leconomiste.com/article/1035870-enquete-l-economiste-sunergia-64-des-marocains-plebiscitent-le-gmt-pendant-ramadan
973
974# From Naoufal Semlali (2019-04-16):
975# Morocco will be on GMT starting from Sunday, May 5th 2019 at 3am.
976# The switch to GMT+1 will occur on Sunday, June 9th 2019 at 2am....
977# http://fr.le360.ma/societe/voici-la-date-du-retour-a-lheure-legale-au-maroc-188222
978
979# From Semlali Naoufal (2020-04-14):
980# Following the announcement by the Moroccan government, the switch to
981# GMT time will take place on Sunday, April 19, 2020 from 3 a.m. and
982# the return to GMT+1 time will take place on Sunday, May 31, 2020 at 2 a.m....
983# https://maroc-diplomatique.net/maroc-le-retour-a-lheure-gmt-est-prevu-dimanche-prochain/
984# http://aujourdhui.ma/actualite/gmt1-retour-a-lheure-normale-dimanche-prochain-1
985#
986# From Milamber (2020-05-31)
987# In Morocco (where I live), the end of Ramadan (Arabic month) is followed by
988# the Eid al-Fitr, and concretely it's 1 or 2 day offs for the people (with
989# traditional visiting of family, big lunches/dinners, etc.).  So for this
990# year the astronomical calculations don't include the following 2 days off in
991# the calc.  These 2 days fall in a Sunday/Monday, so it's not acceptable by
992# people to have a time shift during these 2 days off.  Perhaps you can modify
993# the (predicted) rules for next years: if the end of Ramadan is a (probable)
994# Friday or Saturday (and so the 2 days off are on a weekend), the next time
995# shift will be the next weekend.
996#
997# From Milamber (2021-03-31, 2022-03-10):
998# https://www.mmsp.gov.ma/fr/actualites.aspx?id=2076
999# https://www.ecoactu.ma/horaires-administration-ramadan-gmtheure-gmt-a-partir-de-dimanche-27-mars/
1000#
1001# From Milamber (2023-03-14, 2023-03-15):
1002# The return to legal GMT time will take place this Sunday, March 19 at 3 a.m.
1003# ... the return to GMT+1 will be made on Sunday April 23, 2023 at 2 a.m.
1004# https://www.mmsp.gov.ma/fr/actualites/passage-à-l%E2%80%99heure-gmt-à-partir-du-dimanche-19-mars-2023
1005#
1006# From Paul Eggert (2023-03-14):
1007# For now, guess that in the future Morocco will fall back at 03:00
1008# the last Sunday before Ramadan, and spring forward at 02:00 the
1009# first Sunday after one day after Ramadan.  To implement this,
1010# transition dates and times for 2019 through 2087 were determined by
1011# running the following program under GNU Emacs 28.2.  (This algorithm
1012# also produces the correct transition dates for 2016 through 2018,
1013# though the times differ due to Morocco's time zone change in 2018.)
1014# (let ((islamic-year 1440))
1015#   (require 'cal-islam)
1016#   (while (< islamic-year 1511)
1017#     (let ((a (calendar-islamic-to-absolute (list 9 1 islamic-year)))
1018#           (b (+ 1 (calendar-islamic-to-absolute (list 10 1 islamic-year))))
1019#           (sunday 0))
1020#       (while (/= sunday (mod (setq a (1- a)) 7)))
1021#       (while (/= sunday (mod b 7))
1022#         (setq b (1+ b)))
1023#       (setq a (calendar-gregorian-from-absolute a))
1024#       (setq b (calendar-gregorian-from-absolute b))
1025#       (insert
1026#        (format
1027#         (concat "Rule\tMorocco\t%d\tonly\t-\t%s\t%2d\t 3:00\t-1:00\t-\n"
1028#                 "Rule\tMorocco\t%d\tonly\t-\t%s\t%2d\t 2:00\t0\t-\n")
1029#         (car (cdr (cdr a))) (calendar-month-name (car a) t) (car (cdr a))
1030#         (car (cdr (cdr b))) (calendar-month-name (car b) t) (car (cdr b)))))
1031#     (setq islamic-year (+ 1 islamic-year))))
1032
1033# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
1034Rule	Morocco	1939	only	-	Sep	12	 0:00	1:00	-
1035Rule	Morocco	1939	only	-	Nov	19	 0:00	0	-
1036Rule	Morocco	1940	only	-	Feb	25	 0:00	1:00	-
1037Rule	Morocco	1945	only	-	Nov	18	 0:00	0	-
1038Rule	Morocco	1950	only	-	Jun	11	 0:00	1:00	-
1039Rule	Morocco	1950	only	-	Oct	29	 0:00	0	-
1040Rule	Morocco	1967	only	-	Jun	 3	12:00	1:00	-
1041Rule	Morocco	1967	only	-	Oct	 1	 0:00	0	-
1042Rule	Morocco	1974	only	-	Jun	24	 0:00	1:00	-
1043Rule	Morocco	1974	only	-	Sep	 1	 0:00	0	-
1044Rule	Morocco	1976	1977	-	May	 1	 0:00	1:00	-
1045Rule	Morocco	1976	only	-	Aug	 1	 0:00	0	-
1046Rule	Morocco	1977	only	-	Sep	28	 0:00	0	-
1047Rule	Morocco	1978	only	-	Jun	 1	 0:00	1:00	-
1048Rule	Morocco	1978	only	-	Aug	 4	 0:00	0	-
1049Rule	Morocco	2008	only	-	Jun	 1	 0:00	1:00	-
1050Rule	Morocco	2008	only	-	Sep	 1	 0:00	0	-
1051Rule	Morocco	2009	only	-	Jun	 1	 0:00	1:00	-
1052Rule	Morocco	2009	only	-	Aug	21	 0:00	0	-
1053Rule	Morocco	2010	only	-	May	 2	 0:00	1:00	-
1054Rule	Morocco	2010	only	-	Aug	 8	 0:00	0	-
1055Rule	Morocco	2011	only	-	Apr	 3	 0:00	1:00	-
1056Rule	Morocco	2011	only	-	Jul	31	 0:00	0	-
1057Rule	Morocco	2012	2013	-	Apr	lastSun	 2:00	1:00	-
1058Rule	Morocco	2012	only	-	Jul	20	 3:00	0	-
1059Rule	Morocco	2012	only	-	Aug	20	 2:00	1:00	-
1060Rule	Morocco	2012	only	-	Sep	30	 3:00	0	-
1061Rule	Morocco	2013	only	-	Jul	 7	 3:00	0	-
1062Rule	Morocco	2013	only	-	Aug	10	 2:00	1:00	-
1063Rule	Morocco	2013	2018	-	Oct	lastSun	 3:00	0	-
1064Rule	Morocco	2014	2018	-	Mar	lastSun	 2:00	1:00	-
1065Rule	Morocco	2014	only	-	Jun	28	 3:00	0	-
1066Rule	Morocco	2014	only	-	Aug	 2	 2:00	1:00	-
1067Rule	Morocco	2015	only	-	Jun	14	 3:00	0	-
1068Rule	Morocco	2015	only	-	Jul	19	 2:00	1:00	-
1069Rule	Morocco	2016	only	-	Jun	 5	 3:00	0	-
1070Rule	Morocco	2016	only	-	Jul	10	 2:00	1:00	-
1071Rule	Morocco	2017	only	-	May	21	 3:00	0	-
1072Rule	Morocco	2017	only	-	Jul	 2	 2:00	1:00	-
1073Rule	Morocco	2018	only	-	May	13	 3:00	0	-
1074Rule	Morocco	2018	only	-	Jun	17	 2:00	1:00	-
1075Rule	Morocco	2019	only	-	May	 5	 3:00	-1:00	-
1076Rule	Morocco	2019	only	-	Jun	 9	 2:00	0	-
1077Rule	Morocco	2020	only	-	Apr	19	 3:00	-1:00	-
1078Rule	Morocco	2020	only	-	May	31	 2:00	0	-
1079Rule	Morocco	2021	only	-	Apr	11	 3:00	-1:00	-
1080Rule	Morocco	2021	only	-	May	16	 2:00	0	-
1081Rule	Morocco	2022	only	-	Mar	27	 3:00	-1:00	-
1082Rule	Morocco	2022	only	-	May	 8	 2:00	0	-
1083Rule	Morocco	2023	only	-	Mar	19	 3:00	-1:00	-
1084Rule	Morocco	2023	only	-	Apr	23	 2:00	0	-
1085Rule	Morocco	2024	only	-	Mar	10	 3:00	-1:00	-
1086Rule	Morocco	2024	only	-	Apr	14	 2:00	0	-
1087Rule	Morocco	2025	only	-	Feb	23	 3:00	-1:00	-
1088Rule	Morocco	2025	only	-	Apr	 6	 2:00	0	-
1089Rule	Morocco	2026	only	-	Feb	15	 3:00	-1:00	-
1090Rule	Morocco	2026	only	-	Mar	22	 2:00	0	-
1091Rule	Morocco	2027	only	-	Feb	 7	 3:00	-1:00	-
1092Rule	Morocco	2027	only	-	Mar	14	 2:00	0	-
1093Rule	Morocco	2028	only	-	Jan	23	 3:00	-1:00	-
1094Rule	Morocco	2028	only	-	Mar	 5	 2:00	0	-
1095Rule	Morocco	2029	only	-	Jan	14	 3:00	-1:00	-
1096Rule	Morocco	2029	only	-	Feb	18	 2:00	0	-
1097Rule	Morocco	2029	only	-	Dec	30	 3:00	-1:00	-
1098Rule	Morocco	2030	only	-	Feb	10	 2:00	0	-
1099Rule	Morocco	2030	only	-	Dec	22	 3:00	-1:00	-
1100Rule	Morocco	2031	only	-	Jan	26	 2:00	0	-
1101Rule	Morocco	2031	only	-	Dec	14	 3:00	-1:00	-
1102Rule	Morocco	2032	only	-	Jan	18	 2:00	0	-
1103Rule	Morocco	2032	only	-	Nov	28	 3:00	-1:00	-
1104Rule	Morocco	2033	only	-	Jan	 9	 2:00	0	-
1105Rule	Morocco	2033	only	-	Nov	20	 3:00	-1:00	-
1106Rule	Morocco	2033	only	-	Dec	25	 2:00	0	-
1107Rule	Morocco	2034	only	-	Nov	 5	 3:00	-1:00	-
1108Rule	Morocco	2034	only	-	Dec	17	 2:00	0	-
1109Rule	Morocco	2035	only	-	Oct	28	 3:00	-1:00	-
1110Rule	Morocco	2035	only	-	Dec	 9	 2:00	0	-
1111Rule	Morocco	2036	only	-	Oct	19	 3:00	-1:00	-
1112Rule	Morocco	2036	only	-	Nov	23	 2:00	0	-
1113Rule	Morocco	2037	only	-	Oct	 4	 3:00	-1:00	-
1114Rule	Morocco	2037	only	-	Nov	15	 2:00	0	-
1115Rule	Morocco	2038	only	-	Sep	26	 3:00	-1:00	-
1116Rule	Morocco	2038	only	-	Oct	31	 2:00	0	-
1117Rule	Morocco	2039	only	-	Sep	18	 3:00	-1:00	-
1118Rule	Morocco	2039	only	-	Oct	23	 2:00	0	-
1119Rule	Morocco	2040	only	-	Sep	 2	 3:00	-1:00	-
1120Rule	Morocco	2040	only	-	Oct	14	 2:00	0	-
1121Rule	Morocco	2041	only	-	Aug	25	 3:00	-1:00	-
1122Rule	Morocco	2041	only	-	Sep	29	 2:00	0	-
1123Rule	Morocco	2042	only	-	Aug	10	 3:00	-1:00	-
1124Rule	Morocco	2042	only	-	Sep	21	 2:00	0	-
1125Rule	Morocco	2043	only	-	Aug	 2	 3:00	-1:00	-
1126Rule	Morocco	2043	only	-	Sep	13	 2:00	0	-
1127Rule	Morocco	2044	only	-	Jul	24	 3:00	-1:00	-
1128Rule	Morocco	2044	only	-	Aug	28	 2:00	0	-
1129Rule	Morocco	2045	only	-	Jul	 9	 3:00	-1:00	-
1130Rule	Morocco	2045	only	-	Aug	20	 2:00	0	-
1131Rule	Morocco	2046	only	-	Jul	 1	 3:00	-1:00	-
1132Rule	Morocco	2046	only	-	Aug	 5	 2:00	0	-
1133Rule	Morocco	2047	only	-	Jun	23	 3:00	-1:00	-
1134Rule	Morocco	2047	only	-	Jul	28	 2:00	0	-
1135Rule	Morocco	2048	only	-	Jun	 7	 3:00	-1:00	-
1136Rule	Morocco	2048	only	-	Jul	19	 2:00	0	-
1137Rule	Morocco	2049	only	-	May	30	 3:00	-1:00	-
1138Rule	Morocco	2049	only	-	Jul	 4	 2:00	0	-
1139Rule	Morocco	2050	only	-	May	15	 3:00	-1:00	-
1140Rule	Morocco	2050	only	-	Jun	26	 2:00	0	-
1141Rule	Morocco	2051	only	-	May	 7	 3:00	-1:00	-
1142Rule	Morocco	2051	only	-	Jun	18	 2:00	0	-
1143Rule	Morocco	2052	only	-	Apr	28	 3:00	-1:00	-
1144Rule	Morocco	2052	only	-	Jun	 2	 2:00	0	-
1145Rule	Morocco	2053	only	-	Apr	13	 3:00	-1:00	-
1146Rule	Morocco	2053	only	-	May	25	 2:00	0	-
1147Rule	Morocco	2054	only	-	Apr	 5	 3:00	-1:00	-
1148Rule	Morocco	2054	only	-	May	10	 2:00	0	-
1149Rule	Morocco	2055	only	-	Mar	28	 3:00	-1:00	-
1150Rule	Morocco	2055	only	-	May	 2	 2:00	0	-
1151Rule	Morocco	2056	only	-	Mar	12	 3:00	-1:00	-
1152Rule	Morocco	2056	only	-	Apr	23	 2:00	0	-
1153Rule	Morocco	2057	only	-	Mar	 4	 3:00	-1:00	-
1154Rule	Morocco	2057	only	-	Apr	 8	 2:00	0	-
1155Rule	Morocco	2058	only	-	Feb	17	 3:00	-1:00	-
1156Rule	Morocco	2058	only	-	Mar	31	 2:00	0	-
1157Rule	Morocco	2059	only	-	Feb	 9	 3:00	-1:00	-
1158Rule	Morocco	2059	only	-	Mar	23	 2:00	0	-
1159Rule	Morocco	2060	only	-	Feb	 1	 3:00	-1:00	-
1160Rule	Morocco	2060	only	-	Mar	 7	 2:00	0	-
1161Rule	Morocco	2061	only	-	Jan	16	 3:00	-1:00	-
1162Rule	Morocco	2061	only	-	Feb	27	 2:00	0	-
1163Rule	Morocco	2062	only	-	Jan	 8	 3:00	-1:00	-
1164Rule	Morocco	2062	only	-	Feb	12	 2:00	0	-
1165Rule	Morocco	2062	only	-	Dec	31	 3:00	-1:00	-
1166Rule	Morocco	2063	only	-	Feb	 4	 2:00	0	-
1167Rule	Morocco	2063	only	-	Dec	16	 3:00	-1:00	-
1168Rule	Morocco	2064	only	-	Jan	27	 2:00	0	-
1169Rule	Morocco	2064	only	-	Dec	 7	 3:00	-1:00	-
1170Rule	Morocco	2065	only	-	Jan	11	 2:00	0	-
1171Rule	Morocco	2065	only	-	Nov	22	 3:00	-1:00	-
1172Rule	Morocco	2066	only	-	Jan	 3	 2:00	0	-
1173Rule	Morocco	2066	only	-	Nov	14	 3:00	-1:00	-
1174Rule	Morocco	2066	only	-	Dec	26	 2:00	0	-
1175Rule	Morocco	2067	only	-	Nov	 6	 3:00	-1:00	-
1176Rule	Morocco	2067	only	-	Dec	11	 2:00	0	-
1177Rule	Morocco	2068	only	-	Oct	21	 3:00	-1:00	-
1178Rule	Morocco	2068	only	-	Dec	 2	 2:00	0	-
1179Rule	Morocco	2069	only	-	Oct	13	 3:00	-1:00	-
1180Rule	Morocco	2069	only	-	Nov	17	 2:00	0	-
1181Rule	Morocco	2070	only	-	Oct	 5	 3:00	-1:00	-
1182Rule	Morocco	2070	only	-	Nov	 9	 2:00	0	-
1183Rule	Morocco	2071	only	-	Sep	20	 3:00	-1:00	-
1184Rule	Morocco	2071	only	-	Nov	 1	 2:00	0	-
1185Rule	Morocco	2072	only	-	Sep	11	 3:00	-1:00	-
1186Rule	Morocco	2072	only	-	Oct	16	 2:00	0	-
1187Rule	Morocco	2073	only	-	Aug	27	 3:00	-1:00	-
1188Rule	Morocco	2073	only	-	Oct	 8	 2:00	0	-
1189Rule	Morocco	2074	only	-	Aug	19	 3:00	-1:00	-
1190Rule	Morocco	2074	only	-	Sep	30	 2:00	0	-
1191Rule	Morocco	2075	only	-	Aug	11	 3:00	-1:00	-
1192Rule	Morocco	2075	only	-	Sep	15	 2:00	0	-
1193Rule	Morocco	2076	only	-	Jul	26	 3:00	-1:00	-
1194Rule	Morocco	2076	only	-	Sep	 6	 2:00	0	-
1195Rule	Morocco	2077	only	-	Jul	18	 3:00	-1:00	-
1196Rule	Morocco	2077	only	-	Aug	22	 2:00	0	-
1197Rule	Morocco	2078	only	-	Jul	10	 3:00	-1:00	-
1198Rule	Morocco	2078	only	-	Aug	14	 2:00	0	-
1199Rule	Morocco	2079	only	-	Jun	25	 3:00	-1:00	-
1200Rule	Morocco	2079	only	-	Aug	 6	 2:00	0	-
1201Rule	Morocco	2080	only	-	Jun	16	 3:00	-1:00	-
1202Rule	Morocco	2080	only	-	Jul	21	 2:00	0	-
1203Rule	Morocco	2081	only	-	Jun	 1	 3:00	-1:00	-
1204Rule	Morocco	2081	only	-	Jul	13	 2:00	0	-
1205Rule	Morocco	2082	only	-	May	24	 3:00	-1:00	-
1206Rule	Morocco	2082	only	-	Jun	28	 2:00	0	-
1207Rule	Morocco	2083	only	-	May	16	 3:00	-1:00	-
1208Rule	Morocco	2083	only	-	Jun	20	 2:00	0	-
1209Rule	Morocco	2084	only	-	Apr	30	 3:00	-1:00	-
1210Rule	Morocco	2084	only	-	Jun	11	 2:00	0	-
1211Rule	Morocco	2085	only	-	Apr	22	 3:00	-1:00	-
1212Rule	Morocco	2085	only	-	May	27	 2:00	0	-
1213Rule	Morocco	2086	only	-	Apr	14	 3:00	-1:00	-
1214Rule	Morocco	2086	only	-	May	19	 2:00	0	-
1215Rule	Morocco	2087	only	-	Mar	30	 3:00	-1:00	-
1216Rule	Morocco	2087	only	-	May	11	 2:00	0	-
1217# For dates after the somewhat-arbitrary cutoff of 2087, assume that
1218# Morocco will no longer observe DST.  At some point this table will
1219# need to be extended, though quite possibly Morocco will change the
1220# rules first.
1221
1222# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
1223Zone Africa/Casablanca	-0:30:20 -	LMT	1913 Oct 26
1224			 0:00	Morocco	+00/+01	1984 Mar 16
1225			 1:00	-	+01	1986
1226			 0:00	Morocco	+00/+01	2018 Oct 28  3:00
1227			 1:00	Morocco	+01/+00
1228
1229# Western Sahara
1230#
1231# From Gwillim Law (2013-10-22):
1232# A correspondent who is usually well informed about time zone matters
1233# ... says that Western Sahara observes daylight saving time, just as
1234# Morocco does.
1235#
1236# From Paul Eggert (2013-10-23):
1237# Assume that this has been true since Western Sahara switched to GMT,
1238# since most of it was then controlled by Morocco.
1239
1240Zone Africa/El_Aaiun	-0:52:48 -	LMT	1934 Jan # El Aaiún
1241			-1:00	-	-01	1976 Apr 14
1242			 0:00	Morocco	+00/+01	2018 Oct 28  3:00
1243			 1:00	Morocco	+01/+00
1244
1245# Mozambique
1246#
1247# Shanks gives 1903-03-01 for the transition to CAT.
1248# Perhaps the 1911-05-26 Portuguese decree
1249# https://dre.pt/pdf1sdip/1911/05/12500/23132313.pdf
1250# merely made it official?
1251#
1252# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
1253Zone	Africa/Maputo	2:10:20 -	LMT	1903 Mar
1254			2:00	-	CAT
1255
1256# Namibia
1257
1258# From Arthur David Olson (2017-08-09):
1259# The text of the "Namibia Time Act, 1994" is available online at
1260# www.lac.org.na/laws/1994/811.pdf
1261# and includes this nugget:
1262# Notwithstanding the provisions of subsection (2) of section 1, the
1263# first winter period after the commencement of this Act shall
1264# commence at OOhOO on Monday 21 March 1994 and shall end at 02h00 on
1265# Sunday 4 September 1994.
1266
1267# From Michael Deckers (2017-04-06):
1268# ... both summer and winter time are called "standard"
1269# (which differs from the use in Ireland) ...
1270
1271# From Petronella Sibeene (2007-03-30):
1272# http://allafrica.com/stories/200703300178.html
1273# While the entire country changes its time, Katima Mulilo and other
1274# settlements in Caprivi unofficially will not because the sun there
1275# rises and sets earlier compared to other regions.  Chief of
1276# Forecasting Riaan van Zyl explained that the far eastern parts of
1277# the country are close to 40 minutes earlier in sunrise than the rest
1278# of the country.
1279#
1280# From Paul Eggert (2017-02-22):
1281# Although the Zambezi Region (formerly known as Caprivi) informally
1282# observes Botswana time, we have no details about historical practice.
1283# In the meantime people there can use Africa/Gaborone.
1284# See: Immanuel S. The Namibian. 2017-02-23.
1285# https://www.namibian.com.na/51480/read/Time-change-divides-lawmakers
1286
1287# From Steffen Thorsen (2017-08-09):
1288# Namibia is going to change their time zone to what is now their DST:
1289# https://www.newera.com.na/2017/02/23/namibias-winter-time-might-be-repealed/
1290# This video is from the government decision:
1291# https://www.nbc.na/news/na-passes-namibia-time-bill-repealing-1994-namibia-time-act.8665
1292# We have made the assumption so far that they will change their time zone at
1293# the same time they would normally start DST, the first Sunday in September:
1294# https://www.timeanddate.com/news/time/namibia-new-time-zone.html
1295
1296# From Paul Eggert (2017-04-09):
1297# Before the change, summer and winter time were both standard time legally.
1298# However in common parlance, winter time was considered to be DST.  See, e.g.:
1299# http://www.nbc.na/news/namibias-winter-time-could-be-scrapped.2706
1300# https://zone.my.na/news/times-are-changing-in-namibia
1301# https://www.newera.com.na/2017/02/23/namibias-winter-time-might-be-repealed/
1302# Use plain "WAT" and "CAT" for the time zone abbreviations, to be compatible
1303# with Namibia's neighbors.
1304
1305# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
1306# Vanguard section, for zic and other parsers that support negative DST.
1307Rule	Namibia	1994	only	-	Mar	21	0:00	-1:00	WAT
1308Rule	Namibia	1994	2017	-	Sep	Sun>=1	2:00	0	CAT
1309Rule	Namibia	1995	2017	-	Apr	Sun>=1	2:00	-1:00	WAT
1310# Rearguard section, for parsers lacking negative DST; see ziguard.awk.
1311#Rule	Namibia	1994	only	-	Mar	21	0:00	0	WAT
1312#Rule	Namibia	1994	2017	-	Sep	Sun>=1	2:00	1:00	CAT
1313#Rule	Namibia	1995	2017	-	Apr	Sun>=1	2:00	0	WAT
1314# End of rearguard section.
1315
1316# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
1317Zone	Africa/Windhoek	1:08:24 -	LMT	1892 Feb 8
1318			1:30	-	+0130	1903 Mar
1319			2:00	-	SAST	1942 Sep 20  2:00
1320			2:00	1:00	SAST	1943 Mar 21  2:00
1321			2:00	-	SAST	1990 Mar 21 # independence
1322# Vanguard section, for zic and other parsers that support negative DST.
1323			2:00	Namibia	%s
1324# Rearguard section, for parsers lacking negative DST; see ziguard.awk.
1325#			2:00	-	CAT	1994 Mar 21  0:00
1326# From Paul Eggert (2017-04-07):
1327# The official date of the 2017 rule change was 2017-10-24.  See:
1328# http://www.lac.org.na/laws/annoSTAT/Namibian%20Time%20Act%209%20of%202017.pdf
1329#			1:00	Namibia	%s	2017 Oct 24
1330#			2:00	-	CAT
1331# End of rearguard section.
1332
1333# Niger
1334# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
1335Zone	Africa/Niamey	 0:08:28 -	LMT	1912
1336			-1:00	-	-01	1934 Feb 26
1337			 0:00	-	GMT	1960
1338			 1:00	-	WAT
1339
1340# Nigeria
1341
1342# From P Chan (2020-12-03):
1343# GMT was adopted as the standard time of Lagos on 1905-07-01.
1344# Lagos Weekly Record, 1905-06-24, p 3
1345# http://ddsnext.crl.edu/titles/31558#?c=0&m=668&s=0&cv=2&r=0&xywh=1446,5221,1931,1235
1346# says "It is officially notified that on and after the 1st of July 1905
1347# Greenwich Mean Solar Time will be adopted throughout the Colony and
1348# Protectorate, and that it will be necessary to put all clocks 13 minutes and
1349# 35 seconds back, recording local mean time."
1350#
1351# It seemed that Lagos returned to LMT on 1908-07-01.
1352# [The Lagos Standard], 1908-07-01, p 5
1353# http://ddsnext.crl.edu/titles/31556#?c=0&m=78&s=0&cv=4&r=0&xywh=-92,3590,3944,2523
1354# says "Scarcely have the people become accustomed to this new time, when
1355# another official notice has now appeared announcing that from and after the
1356# 1st July next, return will be made to local mean time."
1357#
1358# From P Chan (2020-11-27):
1359# On 1914-01-01, standard time of GMT+0:30 was adopted for the unified Nigeria.
1360# Colonial Reports - Annual. No. 878. Nigeria. Report for 1914. (April 1916),
1361# p 27
1362# https://libsysdigi.library.illinois.edu/ilharvest/Africana/Books2011-05/3064634/3064634_1914/3064634_1914_opt.pdf#page=27
1363# "On January 1st [1914], a universal standard time for Nigeria was adopted,
1364# viz., half an hour fast on Greenwich mean time, corresponding to the meridian
1365# 7° 30' E. long."
1366# Lloyd's Register of Shipping (1915) says "Hitherto the time observed in Lagos
1367# was the local mean time. On 1st January, 1914, standard time for the whole of
1368# Nigeria was introduced ... Lagos time has been advanced about 16 minutes
1369# accordingly."
1370#
1371# In 1919, standard time was changed to GMT+1.
1372# Interpretation Ordinance (Cap 2)
1373# The Laws of Nigeria, Containing the Ordinances of Nigeria, in Force on the
1374# 1st Day of January, 1923, Vol.I [p 16]
1375# https://books.google.com/books?id=BOMrAQAAMAAJ&pg=PA16
1376# "The expression 'Standard time' means standard time as used in Nigeria:
1377# namely, 60 minutes in advance of Greenwich mean time.  (As amended by 18 of
1378# 1919, s. 2.)"
1379# From Tim Parenti (2020-12-10):
1380# The Lagos Weekly Record, 1919-09-20, p 3 details discussion on the first
1381# reading of this Bill by the Legislative Council of the Colony of Nigeria on
1382# Thursday 1919-08-28:
1383# http://ddsnext.crl.edu/titles/31558?terms&item_id=303484#?m=1118&c=1&s=0&cv=2&r=0&xywh=1261,3408,2994,1915
1384# "The proposal is that the Globe should be divided into twelve zones East and
1385# West of Greenwich, of one hour each, Nigeria falling into the zone with a
1386# standard of one hour fast on Greenwich Mean Time.  Nigeria standard time is
1387# now 30 minutes in advance of Greenwich Mean Time ... according to the new
1388# proposal, standard time will be advanced another 30 minutes".  It was further
1389# proposed that the firing of the time guns likewise be adjusted by 30 minutes
1390# to compensate.
1391# From Tim Parenti (2020-12-10), per P Chan (2020-12-11):
1392# The text of Ordinance 18 of 1919, published in Nigeria Gazette, Vol 6, No 52,
1393# shows that the change was assented to the following day and took effect "on
1394# the 1st day of September, 1919."
1395# Nigeria Gazette and Supplements 1919 Jan-Dec, Reference: 73266B-40,
1396# img 245-246
1397# https://microform.digital/boa/collections/77/volumes/539/nigeria-lagos-1887-1919
1398
1399# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
1400Zone	Africa/Lagos	0:13:35 -	LMT	1905 Jul  1
1401			0:00	-	GMT	1908 Jul  1
1402			0:13:35	-	LMT	1914 Jan  1
1403			0:30	-	+0030	1919 Sep  1
1404			1:00	-	WAT
1405
1406# Réunion
1407# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
1408Zone	Indian/Reunion	3:41:52 -	LMT	1911 Jun # Saint-Denis
1409			4:00	-	+04
1410#
1411# Scattered Islands (Îles Éparses) administered from Réunion are as follows.
1412# The following information about them is taken from
1413# Îles Éparses (<http://www.outre-mer.gouv.fr/domtom/ile.htm>, 1997-07-22,
1414# in French; no longer available as of 1999-08-17).
1415# We have no info about their time zone histories.
1416#
1417# Bassas da India - uninhabited
1418# Europa Island - inhabited from 1905 to 1910 by two families
1419# Glorioso Is - inhabited until at least 1958
1420# Juan de Nova - uninhabited
1421# Tromelin - inhabited until at least 1958
1422
1423# Rwanda
1424# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
1425Zone	Africa/Kigali	2:00:16 -	LMT	1935 Jun
1426			2:00	-	CAT
1427
1428# St Helena
1429# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
1430Zone Atlantic/St_Helena	-0:22:48 -	LMT	1890 # Jamestown
1431			-0:22:48 -	JMT	1951 # Jamestown Mean Time
1432			 0:00	-	GMT
1433
1434# São Tomé and Príncipe
1435
1436# See Europe/Lisbon for info about the 1912 transition.
1437
1438# From Steffen Thorsen (2018-01-08):
1439# Multiple sources tell that São Tomé changed from UTC to UTC+1 as
1440# they entered the year 2018.
1441# From Michael Deckers (2018-01-08):
1442# the switch is from 01:00 to 02:00 ... [Decree No. 25/2017]
1443# http://www.mnec.gov.st/index.php/publicacoes/documentos/file/90-decreto-lei-n-25-2017
1444
1445# From Vadim Nasardinov (2018-12-29):
1446# São Tomé and Príncipe is about to do the following on Jan 1, 2019:
1447# https://www.stp-press.st/2018/12/05/governo-jesus-ja-decidiu-repor-hora-legal-sao-tomense/
1448#
1449# From Michael Deckers (2018-12-30):
1450# https://www.legis-palop.org/download.jsp?idFile=102818
1451# ... [The legal time of the country, which coincides with universal
1452# coordinated time, will be reinstituted at 2 o'clock on day 1 of January, 2019.]
1453
1454Zone	Africa/Sao_Tome	 0:26:56 -	LMT	1884
1455		#STDOFF	-0:36:44.68
1456			-0:36:45 -	LMT	1912 Jan  1 00:00u # Lisbon MT
1457			 0:00	-	GMT	2018 Jan  1 01:00
1458			 1:00	-	WAT	2019 Jan  1 02:00
1459			 0:00	-	GMT
1460
1461# Senegal
1462# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
1463Zone	Africa/Dakar	-1:09:44 -	LMT	1912
1464			-1:00	-	-01	1941 Jun
1465			 0:00	-	GMT
1466
1467# Seychelles
1468# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
1469Zone	Indian/Mahe	3:41:48 -	LMT	1907 Jan  1 # Victoria
1470			4:00	-	+04
1471# From Paul Eggert (2001-05-30):
1472# Aldabra, Farquhar, and Desroches, originally dependencies of the
1473# Seychelles, were transferred to the British Indian Ocean Territory
1474# in 1965 and returned to Seychelles control in 1976.  We don't know
1475# whether this affected their time zone, so omit this for now.
1476# Possibly the islands were uninhabited.
1477
1478# Sierra Leone
1479# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
1480Rule	SL	1932	only	-	Dec	 1	 0:00	0:20	-0040
1481Rule	SL	1933	1938	-	Mar	31	24:00	0	-01
1482Rule	SL	1933	1939	-	Aug	31	24:00	0:20	-0040
1483Rule	SL	1939	only	-	May	31	24:00	0	-01
1484
1485# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
1486Zone	Africa/Freetown	-0:53:00 -	LMT	1882
1487			-0:53:00 -	FMT	1913 Jul  1 # Freetown MT
1488			-1:00	SL	%s	1939 Sep  5
1489			-1:00	-	-01	1941 Dec  6 24:00
1490			 0:00	-	GMT
1491
1492# Somalia
1493# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
1494Zone Africa/Mogadishu	3:01:28 -	LMT	1893 Nov
1495			3:00	-	EAT	1931
1496			2:30	-	+0230	1957
1497			3:00	-	EAT
1498
1499# South Africa
1500# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
1501Rule	SA	1942	1943	-	Sep	Sun>=15	2:00	1:00	-
1502Rule	SA	1943	1944	-	Mar	Sun>=15	2:00	0	-
1503# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
1504Zone Africa/Johannesburg 1:52:00 -	LMT	1892 Feb 8
1505			1:30	-	SAST	1903 Mar
1506			2:00	SA	SAST
1507#
1508# Marion and Prince Edward Is
1509# scientific station since 1947
1510# no information
1511
1512# Sudan
1513
1514# From <http://www.sunanews.net/sn13jane.html>
1515# Sudan News Agency (2000-01-13),
1516# also reported by Michaël De Beukelaer-Dossche via Steffen Thorsen:
1517# Clocks will be moved ahead for 60 minutes all over the Sudan as of noon
1518# Saturday....  This was announced Thursday by Caretaker State Minister for
1519# Manpower Abdul-Rahman Nur-Eddin.
1520
1521# From Ahmed Atyya, National Telecommunications Corp. (NTC), Sudan (2017-10-17):
1522# ... the Republic of Sudan is going to change the time zone from (GMT+3:00)
1523# to (GMT+ 2:00) starting from Wednesday 1 November 2017.
1524#
1525# From Paul Eggert (2017-10-18):
1526# A scanned copy (in Arabic) of Cabinet Resolution No. 352 for the
1527# year 2017 can be found as an attachment in email today from Yahia
1528# Abdalla of NTC, archived at:
1529# https://mm.icann.org/pipermail/tz/2017-October/025333.html
1530
1531# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
1532Rule	Sudan	1970	only	-	May	 1	0:00	1:00	S
1533Rule	Sudan	1970	1985	-	Oct	15	0:00	0	-
1534Rule	Sudan	1971	only	-	Apr	30	0:00	1:00	S
1535Rule	Sudan	1972	1985	-	Apr	lastSun	0:00	1:00	S
1536# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
1537Zone	Africa/Khartoum	2:10:08 -	LMT	1931
1538			2:00	Sudan	CA%sT	2000 Jan 15 12:00
1539			3:00	-	EAT	2017 Nov  1
1540			2:00	-	CAT
1541
1542# South Sudan
1543
1544# From Steffen Thorsen (2021-01-18):
1545# "South Sudan will change its time zone by setting the clock back 1
1546# hour on February 1, 2021...."
1547# from https://eyeradio.org/south-sudan-adopts-new-time-zone-makuei/
1548
1549# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
1550Zone	Africa/Juba	2:06:28 -	LMT	1931
1551			2:00	Sudan	CA%sT	2000 Jan 15 12:00
1552			3:00	-	EAT	2021 Feb  1 00:00
1553			2:00	-	CAT
1554
1555# Tanzania
1556# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
1557Zone Africa/Dar_es_Salaam 2:37:08 -	LMT	1931
1558			3:00	-	EAT	1948
1559			2:45	-	+0245	1961
1560			3:00	-	EAT
1561
1562# Togo
1563# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
1564Zone	Africa/Lome	0:04:52 -	LMT	1893
1565			0:00	-	GMT
1566
1567# Tunisia
1568
1569# From Gwillim Law (2005-04-30):
1570# My correspondent, Risto Nykänen, has alerted me to another adoption of DST,
1571# this time in Tunisia.  According to Yahoo France News
1572# <http://fr.news.yahoo.com/050426/5/4dumk.html>, in a story attributed to AP
1573# and dated 2005-04-26, "Tunisia has decided to advance its official time by
1574# one hour, starting on Sunday, May 1.  Henceforth, Tunisian time will be
1575# UTC+2 instead of UTC+1.  The change will take place at 23:00 UTC next
1576# Saturday."  (My translation)
1577#
1578# From Oscar van Vlijmen (2005-05-02):
1579# La Presse, the first national daily newspaper ...
1580# http://www.lapresse.tn/archives/archives280405/actualites/lheure.html
1581# ... DST for 2005: on: Sun May 1 0h standard time, off: Fri Sept. 30,
1582# 1h standard time.
1583#
1584# From Atef Loukil (2006-03-28):
1585# The daylight saving time will be the same each year:
1586# Beginning      : the last Sunday of March at 02:00
1587# Ending         : the last Sunday of October at 03:00 ...
1588# http://www.tap.info.tn/en/index.php?option=com_content&task=view&id=1188&Itemid=50
1589
1590# From Steffen Thorsen (2009-03-16):
1591# According to several news sources, Tunisia will not observe DST this year.
1592# (Arabic)
1593# http://www.elbashayer.com/?page=viewn&nid=42546
1594# https://www.babnet.net/kiwidetail-15295.asp
1595#
1596# We have also confirmed this with the US embassy in Tunisia.
1597# We have a wrap-up about this on the following page:
1598# https://www.timeanddate.com/news/time/tunisia-cancels-dst-2009.html
1599
1600# From Alexander Krivenyshev (2009-03-17):
1601# Here is a link to Tunis Afrique Presse News Agency
1602#
1603# Standard time to be kept the whole year long (tap.info.tn):
1604#
1605# (in English)
1606# http://www.tap.info.tn/en/index.php?option=com_content&task=view&id=26813&Itemid=157
1607#
1608# (in Arabic)
1609# http://www.tap.info.tn/ar/index.php?option=com_content&task=view&id=61240&Itemid=1
1610
1611# From Arthur David Olson (2009-03-18):
1612# The Tunis Afrique Presse News Agency notice contains this: "This measure is
1613# due to the fact that the fasting month of Ramadan coincides with the period
1614# concerned by summer time.  Therefore, the standard time will be kept
1615# unchanged the whole year long."  So foregoing DST seems to be an exception
1616# (albeit one that may be repeated in the future).
1617
1618# From Alexander Krivenyshev (2010-03-27):
1619# According to some news reports Tunis confirmed not to use DST in 2010
1620#
1621# (translation):
1622# "The Tunisian government has decided to abandon DST, which was scheduled on
1623# Sunday...
1624# Tunisian authorities had suspended the DST for the first time last year also
1625# coincided with the month of Ramadan..."
1626#
1627# (in Arabic)
1628# http://www.moheet.com/show_news.aspx?nid=358861&pg=1
1629# http://www.almadenahnews.com/newss/news.php?c=118&id=38036
1630# http://www.worldtimezone.com/dst_news/dst_news_tunis02.html
1631
1632# Rule	NAME	FROM	TO	-	IN	ON	AT	SAVE	LETTER/S
1633Rule	Tunisia	1939	only	-	Apr	15	23:00s	1:00	S
1634Rule	Tunisia	1939	only	-	Nov	18	23:00s	0	-
1635Rule	Tunisia	1940	only	-	Feb	25	23:00s	1:00	S
1636Rule	Tunisia	1941	only	-	Oct	 6	 0:00	0	-
1637Rule	Tunisia	1942	only	-	Mar	 9	 0:00	1:00	S
1638Rule	Tunisia	1942	only	-	Nov	 2	 3:00	0	-
1639Rule	Tunisia	1943	only	-	Mar	29	 2:00	1:00	S
1640Rule	Tunisia	1943	only	-	Apr	17	 2:00	0	-
1641Rule	Tunisia	1943	only	-	Apr	25	 2:00	1:00	S
1642Rule	Tunisia	1943	only	-	Oct	 4	 2:00	0	-
1643Rule	Tunisia	1944	1945	-	Apr	Mon>=1	 2:00	1:00	S
1644Rule	Tunisia	1944	only	-	Oct	 8	 0:00	0	-
1645Rule	Tunisia	1945	only	-	Sep	16	 0:00	0	-
1646Rule	Tunisia	1977	only	-	Apr	30	 0:00s	1:00	S
1647Rule	Tunisia	1977	only	-	Sep	24	 0:00s	0	-
1648Rule	Tunisia	1978	only	-	May	 1	 0:00s	1:00	S
1649Rule	Tunisia	1978	only	-	Oct	 1	 0:00s	0	-
1650Rule	Tunisia	1988	only	-	Jun	 1	 0:00s	1:00	S
1651Rule	Tunisia	1988	1990	-	Sep	lastSun	 0:00s	0	-
1652Rule	Tunisia	1989	only	-	Mar	26	 0:00s	1:00	S
1653Rule	Tunisia	1990	only	-	May	 1	 0:00s	1:00	S
1654Rule	Tunisia	2005	only	-	May	 1	 0:00s	1:00	S
1655Rule	Tunisia	2005	only	-	Sep	30	 1:00s	0	-
1656Rule	Tunisia	2006	2008	-	Mar	lastSun	 2:00s	1:00	S
1657Rule	Tunisia	2006	2008	-	Oct	lastSun	 2:00s	0	-
1658
1659# See Europe/Paris commentary for PMT-related transitions.
1660# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
1661Zone	Africa/Tunis	0:40:44 -	LMT	1881 May 12
1662			0:09:21	-	PMT	1911 Mar 11 # Paris Mean Time
1663			1:00	Tunisia	CE%sT
1664
1665# Uganda
1666# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
1667Zone	Africa/Kampala	2:09:40 -	LMT	1928 Jul
1668			3:00	-	EAT	1930
1669			2:30	-	+0230	1948
1670			2:45	-	+0245	1957
1671			3:00	-	EAT
1672
1673# Zambia
1674# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
1675Zone	Africa/Lusaka	1:53:08 -	LMT	1903 Mar
1676			2:00	-	CAT
1677
1678# Zimbabwe
1679# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
1680Zone	Africa/Harare	2:04:12 -	LMT	1903 Mar
1681			2:00	-	CAT
1682
1683