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Update time zone data files to tzdata release 2013b.
DST law changes in Chile, Haiti, Morocco, Paraguay, some Russian areas. Historical corrections for numerous places.
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‎src/timezone/data/africa

+69-3
Original file line numberDiff line numberDiff line change
@@ -6,7 +6,7 @@
66
# go ahead and edit the file (and please send any changes to
77
# tz@iana.org for general use in the future).
88

9-
# From Paul Eggert (2006-03-22):
9+
# From Paul Eggert (2013-02-21):
1010
#
1111
# A good source for time zone historical data outside the U.S. is
1212
# Thomas G. Shanks and Rique Pottenger, The International Atlas (6th edition),
@@ -25,6 +25,10 @@
2525
# Whitman Publishing Co, 2 Niagara Av, Ealing, London (undated), which
2626
# I found in the UCLA library.
2727
#
28+
# For data circa 1899, a common source is:
29+
# Milne J. Civil time. Geogr J. 1899 Feb;13(2):173-94
30+
# <http://www.jstor.org/stable/1774359>.
31+
#
2832
# A reliable and entertaining source about time zones is
2933
# Derek Howse, Greenwich time and longitude, Philip Wilson Publishers (1997).
3034
#
@@ -116,8 +120,12 @@ Zone Africa/Porto-Novo 0:10:28 - LMT 1912
116120
1:00 - WAT
117121

118122
# Botswana
123+
# From Paul Eggert (2013-02-21):
124+
# Milne says they were regulated by the Cape Town Signal in 1899;
125+
# assume they switched to 2:00 when Cape Town did.
119126
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
120127
Zone Africa/Gaborone 1:43:40 - LMT 1885
128+
1:30 - SAST 1903 Mar
121129
2:00 - CAT 1943 Sep 19 2:00
122130
2:00 1:00 CAST 1944 Mar 19 2:00
123131
2:00 - CAT
@@ -189,6 +197,11 @@ Zone Africa/Djibouti 2:52:36 - LMT 1911 Jul
189197

190198
# Egypt
191199

200+
# Milne says Cairo used 2:05:08.9, the local mean time of the Abbasizeh
201+
# observatory; round to nearest. Milne also says that the official time for
202+
# Egypt was mean noon at the Great Pyramid, 2:04:30.5, but apparently this
203+
# did not apply to Cairo, Alexandria, or Port Said.
204+
192205
# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
193206
Rule Egypt 1940 only - Jul 15 0:00 1:00 S
194207
Rule Egypt 1940 only - Oct 1 0:00 0 -
@@ -329,7 +342,7 @@ Rule Egypt 2010 only - Sep 10 0:00 1:00 S
329342
Rule Egypt 2010 only - Sep lastThu 23:00s 0 -
330343

331344
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
332-
Zone Africa/Cairo 2:05:00 - LMT 1900 Oct
345+
Zone Africa/Cairo 2:05:09 - LMT 1900 Oct
333346
2:00 Egypt EE%sT
334347

335348
# Equatorial Guinea
@@ -833,6 +846,41 @@ Zone Indian/Mayotte 3:00:56 - LMT 1911 Jul # Mamoutzou
833846
# 3:00 am Friday, July 20, 2012 and will again be advanced by 60 minutes
834847
# August 20, 2012 from 2:00 am.
835848

849+
# From Paul Eggert (2013-03-06):
850+
# Morocco's daylight-saving transitions due to Ramadan seem to be
851+
# announced a bit in advance. On 2012-07-11 the Moroccan government
852+
# announced that year's Ramadan daylight-saving transitions would be
853+
# 2012-07-20 and 2012-08-20; see
854+
# <http://www.mmsp.gov.ma/fr/actualites.aspx?id=288>.
855+
#
856+
# To estimate what the Moroccan government will do in future years,
857+
# transition dates for 2013 through 2021 were determined by running
858+
# the following program under GNU Emacs 24.3:
859+
#
860+
# (let ((islamic-year 1434))
861+
# (while (< islamic-year 1444)
862+
# (let ((a
863+
# (calendar-gregorian-from-absolute
864+
# (calendar-islamic-to-absolute (list 9 1 islamic-year))))
865+
# (b
866+
# (calendar-gregorian-from-absolute
867+
# (calendar-islamic-to-absolute (list 10 1 islamic-year)))))
868+
# (insert
869+
# (format
870+
# (concat "Rule\tMorocco\t%d\tonly\t-\t%s\t %2d\t 3:00\t0\t-\n"
871+
# "Rule\tMorocco\t%d\tonly\t-\t%s\t %2d\t 2:00\t1:00\tS\n")
872+
# (car (cdr (cdr a))) (calendar-month-name (car a) t) (car (cdr a))
873+
# (car (cdr (cdr b))) (calendar-month-name (car b) t) (car (cdr b)))))
874+
# (setq islamic-year (+ 1 islamic-year))))
875+
#
876+
# with the results hand-edited for 2020-2022, when the normal spring-forward
877+
# date falls during the estimated Ramadan.
878+
#
879+
# From 2023 through 2038 Ramadan is not predicted to overlap with
880+
# daylight saving time. Starting in 2039 there will be overlap again,
881+
# but 32-bit time_t values roll around in 2038 so for now do not worry
882+
# about dates after 2038.
883+
836884
# RULE NAME FROM TO TYPE IN ON AT SAVE LETTER/S
837885

838886
Rule Morocco 1939 only - Sep 12 0:00 1:00 S
@@ -858,10 +906,28 @@ Rule Morocco 2010 only - May 2 0:00 1:00 S
858906
Rule Morocco 2010 only - Aug 8 0:00 0 -
859907
Rule Morocco 2011 only - Apr 3 0:00 1:00 S
860908
Rule Morocco 2011 only - Jul 31 0 0 -
861-
Rule Morocco 2012 max - Apr lastSun 2:00 1:00 S
909+
Rule Morocco 2012 2019 - Apr lastSun 2:00 1:00 S
862910
Rule Morocco 2012 max - Sep lastSun 3:00 0 -
863911
Rule Morocco 2012 only - Jul 20 3:00 0 -
864912
Rule Morocco 2012 only - Aug 20 2:00 1:00 S
913+
Rule Morocco 2013 only - Jul 9 3:00 0 -
914+
Rule Morocco 2013 only - Aug 8 2:00 1:00 S
915+
Rule Morocco 2014 only - Jun 29 3:00 0 -
916+
Rule Morocco 2014 only - Jul 29 2:00 1:00 S
917+
Rule Morocco 2015 only - Jun 18 3:00 0 -
918+
Rule Morocco 2015 only - Jul 18 2:00 1:00 S
919+
Rule Morocco 2016 only - Jun 7 3:00 0 -
920+
Rule Morocco 2016 only - Jul 7 2:00 1:00 S
921+
Rule Morocco 2017 only - May 27 3:00 0 -
922+
Rule Morocco 2017 only - Jun 26 2:00 1:00 S
923+
Rule Morocco 2018 only - May 16 3:00 0 -
924+
Rule Morocco 2018 only - Jun 15 2:00 1:00 S
925+
Rule Morocco 2019 only - May 6 3:00 0 -
926+
Rule Morocco 2019 only - Jun 5 2:00 1:00 S
927+
Rule Morocco 2020 only - May 24 2:00 1:00 S
928+
Rule Morocco 2021 only - May 13 2:00 1:00 S
929+
Rule Morocco 2022 only - May 3 2:00 1:00 S
930+
Rule Morocco 2023 max - Apr lastSun 2:00 1:00 S
865931

866932
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
867933
Zone Africa/Casablanca -0:30:20 - LMT 1913 Oct 26

‎src/timezone/data/antarctica

+2-4
Original file line numberDiff line numberDiff line change
@@ -50,10 +50,8 @@ Rule ChileAQ 2009 only - Mar Sun>=9 3:00u 0 -
5050
Rule ChileAQ 2010 only - Apr Sun>=1 3:00u 0 -
5151
Rule ChileAQ 2011 only - May Sun>=2 3:00u 0 -
5252
Rule ChileAQ 2011 only - Aug Sun>=16 4:00u 1:00 S
53-
Rule ChileAQ 2012 only - Apr Sun>=23 3:00u 0 -
54-
Rule ChileAQ 2012 only - Sep Sun>=2 4:00u 1:00 S
55-
Rule ChileAQ 2013 max - Mar Sun>=9 3:00u 0 -
56-
Rule ChileAQ 2013 max - Oct Sun>=9 4:00u 1:00 S
53+
Rule ChileAQ 2012 max - Apr Sun>=23 3:00u 0 -
54+
Rule ChileAQ 2012 max - Sep Sun>=2 4:00u 1:00 S
5755

5856
# These rules are stolen from the `australasia' file.
5957
Rule AusAQ 1917 only - Jan 1 0:01 1:00 -

‎src/timezone/data/asia

+41-7
Original file line numberDiff line numberDiff line change
@@ -6,7 +6,7 @@
66
# go ahead and edit the file (and please send any changes to
77
# tz@iana.org for general use in the future).
88

9-
# From Paul Eggert (2006-03-22):
9+
# From Paul Eggert (2013-02-21):
1010
#
1111
# A good source for time zone historical data outside the U.S. is
1212
# Thomas G. Shanks and Rique Pottenger, The International Atlas (6th edition),
@@ -25,6 +25,10 @@
2525
# Whitman Publishing Co, 2 Niagara Av, Ealing, London (undated), which
2626
# I found in the UCLA library.
2727
#
28+
# For data circa 1899, a common source is:
29+
# Milne J. Civil time. Geogr J. 1899 Feb;13(2):173-94
30+
# <http://www.jstor.org/stable/1774359>.
31+
#
2832
# A reliable and entertaining source about time zones is
2933
# Derek Howse, Greenwich time and longitude, Philip Wilson Publishers (1997).
3034
#
@@ -279,9 +283,12 @@ Zone Asia/Brunei 7:39:40 - LMT 1926 Mar # Bandar Seri Begawan
279283
8:00 - BNT
280284

281285
# Burma / Myanmar
286+
287+
# Milne says 6:24:40 was the meridian of the time ball observatory at Rangoon.
288+
282289
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
283290
Zone Asia/Rangoon 6:24:40 - LMT 1880 # or Yangon
284-
6:24:36 - RMT 1920 # Rangoon Mean Time?
291+
6:24:40 - RMT 1920 # Rangoon Mean Time?
285292
6:30 - BURT 1942 May # Burma Time
286293
9:00 - JST 1945 May 3
287294
6:30 - MMT # Myanmar Time
@@ -384,7 +391,8 @@ Zone Asia/Harbin 8:26:44 - LMT 1928 # or Haerbin
384391
8:00 PRC C%sT
385392
# Zhongyuan Time ("Central plain Time")
386393
# most of China
387-
Zone Asia/Shanghai 8:05:52 - LMT 1928
394+
# Milne gives 8:05:56.7; round to nearest.
395+
Zone Asia/Shanghai 8:05:57 - LMT 1928
388396
8:00 Shang C%sT 1949
389397
8:00 PRC C%sT
390398
# Long-shu Time (probably due to Long and Shu being two names of that area)
@@ -481,6 +489,10 @@ Zone Asia/Kashgar 5:03:56 - LMT 1928 # or Kashi or Kaxgar
481489
8:00 PRC C%sT
482490

483491

492+
# Hong Kong (Xianggang)
493+
494+
# Milne gives 7:36:41.7; round this.
495+
484496
# From Lee Yiu Chung (2009-10-24):
485497
# I found there are some mistakes for the...DST rule for Hong
486498
# Kong. [According] to the DST record from Hong Kong Observatory (actually,
@@ -547,7 +559,6 @@ Zone Asia/Kashgar 5:03:56 - LMT 1928 # or Kashi or Kaxgar
547559
# The Japanese surrender of Hong Kong was signed 1945-09-15.
548560
# For lack of anything better, use start of those days as the transition times.
549561

550-
# Hong Kong (Xianggang)
551562
# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
552563
Rule HK 1941 only - Apr 1 3:30 1:00 S
553564
Rule HK 1941 only - Sep 30 3:30 0 -
@@ -569,7 +580,7 @@ Rule HK 1973 only - Dec 30 3:30 1:00 S
569580
Rule HK 1979 only - May Sun>=8 3:30 1:00 S
570581
Rule HK 1979 only - Oct Sun>=16 3:30 0 -
571582
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
572-
Zone Asia/Hong_Kong 7:36:36 - LMT 1904 Oct 30
583+
Zone Asia/Hong_Kong 7:36:42 - LMT 1904 Oct 30
573584
8:00 HK HK%sT 1941 Dec 25
574585
9:00 - JST 1945 Sep 15
575586
8:00 HK HK%sT
@@ -646,6 +657,9 @@ Zone Asia/Macau 7:34:20 - LMT 1912
646657
###############################################################################
647658

648659
# Cyprus
660+
#
661+
# Milne says the Eastern Telegraph Company used 2:14:00. Stick with LMT.
662+
#
649663
# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
650664
Rule Cyprus 1975 only - Apr 13 0:00 1:00 S
651665
Rule Cyprus 1975 only - Oct 12 0:00 0 -
@@ -1804,8 +1818,11 @@ Zone Asia/Kathmandu 5:41:16 - LMT 1920
18041818
5:45 - NPT # Nepal Time
18051819

18061820
# Oman
1821+
1822+
# Milne says 3:54:24 was the meridian of the Muscat Tidal Observatory.
1823+
18071824
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
1808-
Zone Asia/Muscat 3:54:20 - LMT 1920
1825+
Zone Asia/Muscat 3:54:24 - LMT 1920
18091826
4:00 - GST
18101827

18111828
# Pakistan
@@ -2400,6 +2417,13 @@ Zone Asia/Singapore 6:55:25 - LMT 1901 Jan 1
24002417
# no information
24012418

24022419
# Sri Lanka
2420+
2421+
# From Paul Eggert (2013-02-21):
2422+
# Milne says "Madras mean time use from May 1, 1898. Prior to this Colombo
2423+
# mean time, 5h. 4m. 21.9s. F., was used." But 5:04:21.9 differs considerably
2424+
# from Colombo's meridian 5:19:24, so for now ignore Milne and stick with
2425+
# Shanks and Pottenger.
2426+
24032427
# From Paul Eggert (1996-09-03):
24042428
# "Sri Lanka advances clock by an hour to avoid blackout"
24052429
# (www.virtual-pc.com/lankaweb/news/items/240596-2.html, 1996-05-24,
@@ -2699,6 +2723,12 @@ Zone Asia/Tashkent 4:37:12 - LMT 1924 May 2
26992723

27002724
# Vietnam
27012725

2726+
# From Paul Eggert (2013-02-21):
2727+
# Milne gives 7:16:56 for the meridian of Saigon in 1899, as being
2728+
# used in Lower Laos, Cambodia, and Annam. But this is quite a ways
2729+
# from Saigon's location. For now, ignore this and stick with Shanks
2730+
# and Pottenger.
2731+
27022732
# From Arthur David Olson (2008-03-18):
27032733
# The English-language name of Vietnam's most populous city is "Ho Chi Min City";
27042734
# we use Ho_Chi_Minh below to avoid a name of more than 14 characters.
@@ -2712,6 +2742,10 @@ Zone Asia/Ho_Chi_Minh 7:06:40 - LMT 1906 Jun 9
27122742
7:00 - ICT
27132743

27142744
# Yemen
2745+
2746+
# Milne says 2:59:54 was the meridian of the saluting battery at Aden,
2747+
# and that Yemen was at 1:55:56, the meridian of the Hagia Sophia.
2748+
27152749
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
2716-
Zone Asia/Aden 3:00:48 - LMT 1950
2750+
Zone Asia/Aden 2:59:54 - LMT 1950
27172751
3:00 - AST

‎src/timezone/data/australasia

+9-2
Original file line numberDiff line numberDiff line change
@@ -246,6 +246,9 @@ Zone Indian/Cocos 6:27:40 - LMT 1900
246246
6:30 - CCT # Cocos Islands Time
247247

248248
# Fiji
249+
250+
# Milne gives 11:55:44 for Suva.
251+
249252
# From Alexander Krivenyshev (2009-11-10):
250253
# According to Fiji Broadcasting Corporation, Fiji plans to re-introduce DST
251254
# from November 29th 2009 to April 25th 2010.
@@ -339,7 +342,7 @@ Rule Fiji 2010 max - Oct Sun>=18 2:00 1:00 S
339342
Rule Fiji 2011 only - Mar Sun>=1 3:00 0 -
340343
Rule Fiji 2012 max - Jan Sun>=18 3:00 0 -
341344
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
342-
Zone Pacific/Fiji 11:53:40 - LMT 1915 Oct 26 # Suva
345+
Zone Pacific/Fiji 11:55:44 - LMT 1915 Oct 26 # Suva
343346
12:00 Fiji FJ%sT # Fiji Time
344347

345348
# French Polynesia
@@ -782,7 +785,7 @@ Zone Pacific/Wallis 12:15:20 - LMT 1901
782785
# go ahead and edit the file (and please send any changes to
783786
# tz@iana.org for general use in the future).
784787

785-
# From Paul Eggert (2006-03-22):
788+
# From Paul Eggert (2013-02-21):
786789
# A good source for time zone historical data outside the U.S. is
787790
# Thomas G. Shanks and Rique Pottenger, The International Atlas (6th edition),
788791
# San Diego: ACS Publications, Inc. (2003).
@@ -800,6 +803,10 @@ Zone Pacific/Wallis 12:15:20 - LMT 1901
800803
# Whitman Publishing Co, 2 Niagara Av, Ealing, London (undated), which
801804
# I found in the UCLA library.
802805
#
806+
# For data circa 1899, a common source is:
807+
# Milne J. Civil time. Geogr J. 1899 Feb;13(2):173-94
808+
# <http://www.jstor.org/stable/1774359>.
809+
#
803810
# A reliable and entertaining source about time zones is
804811
# Derek Howse, Greenwich time and longitude, Philip Wilson Publishers (1997).
805812
#

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