jdk-sandbox: comparison make/data/tzdata/asia

equal deleted inserted replaced

-:850f456d1e22
+:79036e5e744b
 Rule RussiaAsia	1984	1995	-	Sep	lastSun	 2:00s	0	-
 Rule RussiaAsia	1985	2010	-	Mar	lastSun	 2:00s	1:00	-
 Rule RussiaAsia	1996	2010	-	Oct	lastSun	 2:00s	0	-
 # Afghanistan
-# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
 Zone	Asia/Kabul	4:36:48 -	LMT	1890
 			4:00	-	+04	1945
 			4:30	-	+0430
 # Armenia
 # (brief)
 # http://www.worldtimezone.com/dst_news/dst_news_armenia03.html
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
 Rule Armenia	2011	only	-	Mar	lastSun	 2:00s	1:00	-
 Rule Armenia	2011	only	-	Oct	lastSun	 2:00s	0	-
-# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
 Zone	Asia/Yerevan	2:58:00 -	LMT	1924 May  2
 			3:00	-	+03	1957 Mar
 			4:00 RussiaAsia +04/+05	1991 Mar 31  2:00s
 			3:00 RussiaAsia	+03/+04	1995 Sep 24  2:00s
 			4:00	-	+04	1997
 # http://en.apa.az/xeber_azerbaijan_abolishes_daylight_savings_ti_240862.html
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
 Rule	Azer	1997	2015	-	Mar	lastSun	 4:00	1:00	-
 Rule	Azer	1997	2015	-	Oct	lastSun	 5:00	0	-
-# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
 Zone	Asia/Baku	3:19:24 -	LMT	1924 May  2
 			3:00	-	+03	1957 Mar
 			4:00 RussiaAsia +04/+05	1991 Mar 31  2:00s
 			3:00 RussiaAsia	+03/+04	1992 Sep lastSun  2:00s
 			4:00	-	+04	1996
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
 Rule	Dhaka	2009	only	-	Jun	19	23:00	1:00	-
 Rule	Dhaka	2009	only	-	Dec	31	24:00	0	-
-# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
 Zone	Asia/Dhaka	6:01:40 -	LMT	1890
 			5:53:20	-	HMT	1941 Oct    # Howrah Mean Time?
 			6:30	-	+0630	1942 May 15
 			5:30	-	+0530	1942 Sep
 			6:30	-	+0630	1951 Sep 30
 			6:00	-	+06	2009
 			6:00	Dhaka	+06/+07
 # Bhutan
-# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
 Zone	Asia/Thimphu	5:58:36 -	LMT	1947 Aug 15 # or Thimbu
 			5:30	-	+0530	1987 Oct
 			6:00	-	+06
 # British Indian Ocean Territory
 # Whitman and the 1995 CIA time zone map say 5:00, but the
 # 1997 and later maps say 6:00.  Assume the switch occurred in 1996.
 # We have no information as to when standard time was introduced;
 # assume it occurred in 1907, the same year as Mauritius (which
 # then contained the Chagos Archipelago).
-# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
 Zone	Indian/Chagos	4:49:40	-	LMT	1907
 			5:00	-	+05	1996
 			6:00	-	+06
 # Brunei
-# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
 Zone	Asia/Brunei	7:39:40 -	LMT	1926 Mar # Bandar Seri Begawan
 			7:30	-	+0730	1933
 			8:00	-	+08
 # Burma / Myanmar
 # Page 27 of Reed & Low (cited for Asia/Kolkata) says "Rangoon local time is
 # used upon the railways and telegraphs of Burma, and is 6h. 24m. 47s. ahead
 # of Greenwich."  This refers to the period before Burma's transition to +0630,
 # a transition for which Shanks is the only source.
-# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
 Zone	Asia/Yangon	6:24:47 -	LMT	1880        # or Rangoon
 			6:24:47	-	RMT	1920        # Rangoon local time
 			6:30	-	+0630	1942 May
 			9:00	-	+09	1945 May  3
 			6:30	-	+0630
 # guess) as the transition from LMT.  Ignore the usage of +08 before
 # 1986-02-01 under the theory that the transition date to +08 is unknown and
 # that the sort of users who prefer Asia/Urumqi now typically ignored the
 # +08 mandate back then.
-# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
 # Beijing time, used throughout China; represented by Shanghai.
 Zone	Asia/Shanghai	8:05:43	-	LMT	1901
 			8:00	Shang	C%sT	1949 May 28
 			8:00	PRC	C%sT
 # Xinjiang time, used by many in western China; represented by Ürümqi / Ürümchi
 #   https://i.imgur.com/eVvDMzS.jpg
 # * 1941-06-14. Hong Kong Daily Press, Daylight Saving from 3am Tomorrow.
 #   https://i.imgur.com/05KkvtC.png
 # * 1941-09-30, Hong Kong Daily Press, Winter Time Warning.
 #   https://i.imgur.com/dge4kFJ.png
-# Also, the Liberation day of Hong Kong after WWII which British rule
-# over the territory resumed was August 30, 1945, which I think should
+# From P Chan (2018-12-31):
-# be the termination date for the use of JST in the territory....
+# * According to the Hong Kong Daylight-Saving Regulations, 1941, the
+#   1941 spring-forward transition was at 03:00.
-# From Paul Eggert (2018-11-17):
+#	http://sunzi.lib.hku.hk/hkgro/view/g1941/304271.pdf
+#	http://sunzi.lib.hku.hk/hkgro/view/g1941/305516.pdf
+# * According to some articles from South China Morning Post, +08 was
+#   resumed on 1945-11-18 at 02:00.
+#	https://i.imgur.com/M2IsZ3c.png
+#	https://i.imgur.com/iOPqrVo.png
+#	https://i.imgur.com/fffcGDs.png
+# * Some newspapers ... said the 1946 spring-forward transition was on
+#   04-21 at 00:00.  The Kung Sheung Evening News 1946-04-20 (Chinese)
+#	https://i.imgur.com/ZSzent0.png
+#	https://mmis.hkpl.gov.hk///c/portal/cover?c=QF757YsWv5%2FH7zGe%2FKF%2BFLYsuqGhRBfe p.4
+#   The Kung Sheung Daily News 1946-04-21 (Chinese)
+#	https://i.imgur.com/7ecmRlcm.png
+#	https://mmis.hkpl.gov.hk///c/portal/cover?c=QF757YsWv5%2BQBGt1%2BwUj5qG2GqtwR3Wh p.4
+# * According to the Summer Time Ordinance (1946), the fallback
+#   transitions between 1946 and 1952 were at 03:30 Standard Time (+08)
+#	http://oelawhk.lib.hku.hk/archive/files/bb74b06a74d5294620a15de560ab33c6.pdf
+# * Some other laws and regulations related to DST from 1953 to 1979
+#   Summer Time Ordinance 1953
+#	https://i.imgur.com/IOlJMav.jpg
+#   Summer Time (Amendment) Ordinance 1965
+#	https://i.imgur.com/8rofeLa.jpg
+#   Interpretation and General Clauses Ordinance (1966)
+#	https://i.imgur.com/joy3msj.jpg
+#   Emergency (Summer Time) Regulation 1973 <https://i.imgur.com/OpRWrKz.jpg>
+#   Interpretation and General Clauses (Amendment) Ordinance 1977
+#	https://i.imgur.com/RaNqnc4.jpg
+#   Resolution of the Legislative Council passed on 9 May 1979
+#	https://www.legco.gov.hk/yr78-79/english/lc_sitg/hansard/h790509.pdf#page=39
+# From Paul Eggert (2019-05-31):
 # Here are the dates given at
 # https://www.hko.gov.hk/gts/time/Summertime.htm
 # as of 2014-06-19:
 # Year        Period
 # 1941        15 Jun to 30 Sep
 # 1942        Whole year
 # 1943        Whole year
 # 1944        Whole year
 # 1945        Whole year
 # 1946        20 Apr to 1 Dec
-# 1947        13 Apr to 30 Dec
+# 1947        13 Apr to 30 Nov
 # 1948        2 May to 31 Oct
 # 1949        3 Apr to 30 Oct
 # 1950        2 Apr to 29 Oct
 # 1951        1 Apr to 28 Oct
 # 1952        6 Apr to 2 Nov
 # 1979        13 May to 21 Oct
 # 1980 to Now Nil
 # The page does not give times of day for transitions,
 # or dates for the 1942 and 1945 transitions.
 # The Japanese occupation of Hong Kong began 1941-12-25.
-# The Japanese surrender of Hong Kong was signed 1945-09-16; see:
-# Heaver S. The days after the Pacific war ended: unsettling times
-# in Hong Kong. Post Magazine. 2016-06-13.
-# https://www.scmp.com/magazines/post-magazine/article/1852990/days-after-pacific-war-ended-unsettling-times-hong-kong
-# For lack of anything better, use start of those days as the
-# transition times.
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
-Rule	HK	1946	only	-	Apr	20	3:30	1:00	S
+Rule	HK	1946	only	-	Apr	21	0:00	1:00	S
-Rule	HK	1946	only	-	Dec	1	3:30	0	-
+Rule	HK	1946	only	-	Dec	1	3:30s	0	-
-Rule	HK	1947	only	-	Apr	13	3:30	1:00	S
+Rule	HK	1947	only	-	Apr	13	3:30s	1:00	S
-Rule	HK	1947	only	-	Dec	30	3:30	0	-
+Rule	HK	1947	only	-	Nov	30	3:30s	0	-
-Rule	HK	1948	only	-	May	2	3:30	1:00	S
+Rule	HK	1948	only	-	May	2	3:30s	1:00	S
-Rule	HK	1948	1951	-	Oct	lastSun	3:30	0	-
+Rule	HK	1948	1952	-	Oct	Sun>=28	3:30s	0	-
-Rule	HK	1952	1953	-	Nov	Sun>=1	3:30	0	-
 Rule	HK	1949	1953	-	Apr	Sun>=1	3:30	1:00	S
+Rule	HK	1953	1964	-	Oct	Sun>=31	3:30	0	-
 Rule	HK	1954	1964	-	Mar	Sun>=18	3:30	1:00	S
-Rule	HK	1954	only	-	Oct	31	3:30	0	-
-Rule	HK	1955	1964	-	Nov	Sun>=1	3:30	0	-
 Rule	HK	1965	1976	-	Apr	Sun>=16	3:30	1:00	S
 Rule	HK	1965	1976	-	Oct	Sun>=16	3:30	0	-
 Rule	HK	1973	only	-	Dec	30	3:30	1:00	S
-Rule	HK	1979	only	-	May	Sun>=8	3:30	1:00	S
+Rule	HK	1979	only	-	May	13	3:30	1:00	S
-Rule	HK	1979	only	-	Oct	Sun>=16	3:30	0	-
+Rule	HK	1979	only	-	Oct	21	3:30	0	-
-# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
 Zone	Asia/Hong_Kong	7:36:42 -	LMT	1904 Oct 30  0:36:42
-			8:00	-	HKT	1941 Jun 15  3:30
+			8:00	-	HKT	1941 Jun 15  3:00
 			8:00	1:00	HKST	1941 Oct  1  4:00
 			8:30	-	HKT	1941 Dec 25
-			9:00	-	JST	1945 Sep 16
+			9:00	-	JST	1945 Nov 18  2:00
 			8:00	HK	HK%sT
 ###############################################################################
 # Taiwan
 Rule	Taiwan	1974	1975	-	Apr	1	0:00	1:00	D
 Rule	Taiwan	1974	1975	-	Oct	1	0:00	0	S
 Rule	Taiwan	1979	only	-	Jul	1	0:00	1:00	D
 Rule	Taiwan	1979	only	-	Oct	1	0:00	0	S
-# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
 # Taipei or Taibei or T'ai-pei
 Zone	Asia/Taipei	8:06:00 -	LMT	1896 Jan  1
 			8:00	-	CST	1937 Oct  1
 			9:00	-	JST	1945 Sep 21  1:00
 			8:00	Taiwan	C%sT
 Rule	Macau	1973	only	-	Dec	30	03:30	1:00	D
 Rule	Macau	1975	1976	-	Apr	Sun>=16	03:30	1:00	D
 Rule	Macau	1979	only	-	May	13	03:30	1:00	D
 Rule	Macau	1979	only	-	Oct	Sun>=16	03:30	0	S
-# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
 Zone	Asia/Macau	7:34:10 -	LMT	1904 Oct 30
 			8:00	-	CST	1941 Dec 21 23:00
 			9:00	Macau	+09/+10	1945 Sep 30 24:00
 			8:00	Macau	C%sT
 Rule	Cyprus	1977	1980	-	Apr	Sun>=1	0:00	1:00	S
 Rule	Cyprus	1977	only	-	Sep	25	0:00	0	-
 Rule	Cyprus	1978	only	-	Oct	2	0:00	0	-
 Rule	Cyprus	1979	1997	-	Sep	lastSun	0:00	0	-
 Rule	Cyprus	1981	1998	-	Mar	lastSun	0:00	1:00	S
-# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
 Zone	Asia/Nicosia	2:13:28 -	LMT	1921 Nov 14
 			2:00	Cyprus	EE%sT	1998 Sep
 			2:00	EUAsia	EE%sT
 Zone	Asia/Famagusta	2:15:48	-	LMT	1921 Nov 14
 			2:00	Cyprus	EE%sT	1998 Sep
 # Milne 1899 says Tbilisi (Tiflis) time was 2:59:05.7.
 # Byalokoz 1919 says Georgia was 2:59:11.
 # Go with Byalokoz.
-# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
 Zone	Asia/Tbilisi	2:59:11 -	LMT	1880
 			2:59:11	-	TBMT	1924 May  2 # Tbilisi Mean Time
 			3:00	-	+03	1957 Mar
 			4:00 RussiaAsia +04/+05	1991 Mar 31  2:00s
 			3:00 RussiaAsia +03/+04	1992
 # The Cabinet of the East Timor Transition Administration decided
 # today to advance East Timor's time by one hour.  The time change,
 # which will be permanent, with no seasonal adjustment, will happen at
 # midnight on Saturday, September 16.
-# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
 Zone	Asia/Dili	8:22:20 -	LMT	1912 Jan  1
 			8:00	-	+08	1942 Feb 21 23:00
 			9:00	-	+09	1976 May  3
 			8:00	-	+08	2000 Sep 17  0:00
 			9:00	-	+09
 # elsewhere (e.g., Europe/London before 1880), and after 1906 it was
 # consistent in the region now identified by Asia/Kolkata.  So, use railway
 # time for 1870-1941.  Shanks is our only (and dubious) source for the
 # 1941-1945 data.
-# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
 Zone	Asia/Kolkata	5:53:28 -	LMT	1854 Jun 28 # Kolkata
 			5:53:20	-	HMT	1870	    # Howrah Mean Time?
 			5:21:10	-	MMT	1906 Jan  1 # Madras local time
 			5:30	-	IST	1941 Oct
 			5:30	1:00	+0630	1942 May 15
 #
 # WIB  - +07 - Waktu Indonesia Barat (Indonesia western time)
 # WITA - +08 - Waktu Indonesia Tengah (Indonesia central time)
 # WIT  - +09 - Waktu Indonesia Timur (Indonesia eastern time)
 #
-# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
 # Java, Sumatra
 Zone Asia/Jakarta	7:07:12 -	LMT	1867 Aug 10
 # Shanks & Pottenger say the next transition was at 1924 Jan 1 0:13,
 # but this must be a typo.
 			7:07:12	-	BMT	1923 Dec 31 23:47:12 # Batavia
 # From Paul Eggert (2018-11-30):
 # Go with Shanks & Pottenger before Sept. 1991, and with Pournader thereafter.
 # I used the following code in GNU Emacs 26.1 to generate the "Rule Iran"
 # lines from 2008 through 2087.  Emacs 26.1 uses Ed Reingold's
 # cal-persia implementation of Birashk's approximation, which in the
-# 2008-2087 range disagrees with the the astronomical Persian calendar
+# 2008-2087 range disagrees with the astronomical Persian calendar
-# for Persian years 1404 (Gregorian 2025) and 1437 (Gregorian 2058),
+# for Persian years 1404 (Gregorian 2025) and 1437 (Gregorian 2058), so
-# so the following code special-case those years.  See Table 15.1, page 264, of:
+# the following code special-cases those years.  See Table 15.1, page 264, of:
 # Edward M. Reingold and Nachum Dershowitz, Calendrical Calculations:
 # The Ultimate Edition, Cambridge University Press (2018).
 # https://www.cambridge.org/fr/academic/subjects/computer-science/computing-general-interest/calendrical-calculations-ultimate-edition-4th-edition
 # Page 258, footnote 2, of this book says there is some dispute over what will
 # happen in 2091 (and some other years after that), so this code
 # At some point this table will need to be extended, though quite
 # possibly Iran will change the rules first.
 Rule	Iran	2088	max	-	Mar	20	24:00	1:00	-
 Rule	Iran	2088	max	-	Sep	20	24:00	0	-
-# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
 Zone	Asia/Tehran	3:25:44	-	LMT	1916
 			3:25:44	-	TMT	1946     # Tehran Mean Time
 			3:30	-	+0330	1977 Nov
 			4:00	Iran	+04/+05	1979
 			3:30	Iran	+0330/+0430
 # IATA SSIM (1991/1996) says Apr 1 12:01am UTC; guess the ':01' is a typo.
 # Shanks & Pottenger say Iraq did not observe DST 1992/1997; ignore this.
 #
 Rule	Iraq	1991	2007	-	Apr	 1	3:00s	1:00	-
 Rule	Iraq	1991	2007	-	Oct	 1	3:00s	0	-
-# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
 Zone	Asia/Baghdad	2:57:40	-	LMT	1890
 			2:57:36	-	BMT	1918     # Baghdad Mean Time?
 			3:00	-	+03	1982 May
 			3:00	Iraq	+03/+04
 Rule	Zion	1974	only	-	Oct	13	0:00	0	S
 Rule	Zion	1975	only	-	Apr	20	0:00	1:00	D
 Rule	Zion	1975	only	-	Aug	31	0:00	0	S
 # From Alois Treindl (2019-03-06):
-# http://www.moin.gov.il/Documents/שעון קיץ/clock-50-years-7-2014.pdf
+# http://www.moin.gov.il/Documents/שעון%20קיץ/clock-50-years-7-2014.pdf
 # From Isaac Starkman (2019-03-06):
 # Summer time was in that period in 1980 and 1984, see
 # https://www.ynet.co.il/articles/0,7340,L-3951073,00.html
 # You can of course read it in translation.
 # I checked the local newspapers for that years.
 #
 # Those who can read Hebrew can view the announcement at:
 #
 #	ftp://ftp.cs.huji.ac.il/pub/tz/announcements/2005+beyond.ps
-# From Paul Eggert (2012-10-26):
-# I used Ephraim Silverberg's dst-israel.el program
-# <ftp://ftp.cs.huji.ac.il/pub/tz/software/dst-israel.el> (2005-02-20)
-# along with Ed Reingold's cal-hebrew in GNU Emacs 21.4,
-# to generate the transitions from 2005 through 2012.
-# (I replaced "lastFri" with "Fri>=26" by hand.)
-# The spring transitions all correspond to the following Rule:
-#
-# Rule	Zion	2005	2012	-	Mar	Fri>=26	2:00	1:00	D
-#
-# but older zic implementations (e.g., Solaris 8) do not support
-# "Fri>=26" to mean April 1 in years like 2005, so for now we list the
-# springtime transitions explicitly.
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
-Rule	Zion	2005	only	-	Apr	 1	2:00	1:00	D
+Rule	Zion	2005	2012	-	Apr	Fri<=1	2:00	1:00	D
 Rule	Zion	2005	only	-	Oct	 9	2:00	0	S
-Rule	Zion	2006	2010	-	Mar	Fri>=26	2:00	1:00	D
 Rule	Zion	2006	only	-	Oct	 1	2:00	0	S
 Rule	Zion	2007	only	-	Sep	16	2:00	0	S
 Rule	Zion	2008	only	-	Oct	 5	2:00	0	S
 Rule	Zion	2009	only	-	Sep	27	2:00	0	S
 Rule	Zion	2010	only	-	Sep	12	2:00	0	S
-Rule	Zion	2011	only	-	Apr	 1	2:00	1:00	D
 Rule	Zion	2011	only	-	Oct	 2	2:00	0	S
-Rule	Zion	2012	only	-	Mar	Fri>=26	2:00	1:00	D
 Rule	Zion	2012	only	-	Sep	23	2:00	0	S
 # From Ephraim Silverberg (2013-06-27):
 # On June 23, 2013, the Israeli government approved changes to the
 # Time Decree Law.  The next day, the changes passed the First Reading
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
 Rule	Zion	2013	max	-	Mar	Fri>=23	2:00	1:00	D
 Rule	Zion	2013	max	-	Oct	lastSun	2:00	0	S
-# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
 Zone	Asia/Jerusalem	2:20:54 -	LMT	1880
 			2:20:40	-	JMT	1918 # Jerusalem Mean Time?
 			2:00	Zion	I%sT
 # ...the Showa Emperor announced Ordinance No. 529 of Showa Year 12 ... which
 # means the whole Japan territory, including later occupations, adopt Japan
 # Central Time (UT+9). The adoption began on Oct 1, 1937.
 # https://ja.wikisource.org/wiki/明治二十八年勅令第百六十七號標準時ニ關スル件中改正ノ件
-# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
 Zone	Asia/Tokyo	9:18:59	-	LMT	1887 Dec 31 15:00u
 			9:00	Japan	J%sT
 # Since 1938, all Japanese possessions have been like Asia/Tokyo,
 # except that Truk (Chuuk), Ponape (Pohnpei), and Jaluit (Kosrae) did not
 # switch from +10 to +09 until 1941-04-01; see the 'australasia' file.
 Rule	Jordan	2005	only	-	Sep	lastFri	0:00s	0	-
 Rule	Jordan	2006	2011	-	Oct	lastFri	0:00s	0	-
 Rule	Jordan	2013	only	-	Dec	20	0:00	0	-
 Rule	Jordan	2014	max	-	Mar	lastThu	24:00	1:00	S
 Rule	Jordan	2014	max	-	Oct	lastFri	0:00s	0	-
-# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
 Zone	Asia/Amman	2:23:44 -	LMT	1931
 			2:00	Jordan	EE%sT
 # Kazakhstan
 # of the Kazakh SSR from 1991-03-20 No. 170 "About the act of the Cabinet
 # of Ministers of the USSR from 1991-02-04 No. 20" but I didn't found its
 # text.
 #
 # According to Izvestia newspaper No. 68 (23334) from 1991-03-20
-# (page 6; available at http://libinfo.org/newsr/newsr2574.djvu via
+# -- page 6; available at http://libinfo.org/newsr/newsr2574.djvu via
-# http://libinfo.org/index.php?id=58564) on 1991-03-31 at 2:00 during
+# http://libinfo.org/index.php?id=58564 -- on 1991-03-31 at 2:00 during
 # transition to "summer" time:
 # Republic of Georgia, Latvian SSR, Lithuanian SSR, SSR Moldova,
 # Estonian SSR; Komi ASSR; Kaliningrad oblast; Nenets autonomous okrug
 # were to move clocks 1 hour forward.
 # Kazakh SSR (excluding Uralsk oblast); Republic of Kyrgyzstan, Tajik
 # Kazakhstan, Kirghizia, Uzbekistan, Turkmenia, Tajikistan.
 #
 # Apparently there were last minute changes. Apparently Kazakh act No. 170
 # was one of such changes.
 #
-# https://ru.wikipedia.org/wiki/Декретное время
+# https://ru.wikipedia.org/wiki/Декретное_время
 # claims that Sovetskaya Rossiya newspaper on 1991-03-29 published that
 # Nenets autonomous okrug, Komi and Kazakhstan (excluding Uralsk oblast)
 # were to not move clocks and Uralsk oblast was to move clocks
 # forward; on 1991-09-29 Kazakhstan was to move clocks backwards.
 # (Probably there were changes even after that publication. There is an
 # From Alexander Konzurovski (2018-12-20):
 # Qyzyolrda Region (Asia/Qyzylorda) is changing its time zone from
 # UTC+6 to UTC+5 effective December 21st, 2018. The legal document is
 # located here: http://adilet.zan.kz/rus/docs/P1800000817 (russian language).
-# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
 #
 # Almaty (formerly Alma-Ata), representing most locations in Kazakhstan
 # This includes KZ-AKM, KZ-ALA, KZ-ALM, KZ-AST, KZ-BAY, KZ-VOS, KZ-ZHA,
 # KZ-KAR, KZ-SEV, KZ-PAV, and KZ-YUZ.
 Zone	Asia/Almaty	5:07:48 -	LMT	1924 May  2 # or Alma-Ata
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
 Rule	Kyrgyz	1992	1996	-	Apr	Sun>=7	0:00s	1:00	-
 Rule	Kyrgyz	1992	1996	-	Sep	lastSun	0:00	0	-
 Rule	Kyrgyz	1997	2005	-	Mar	lastSun	2:30	1:00	-
 Rule	Kyrgyz	1997	2004	-	Oct	lastSun	2:30	0	-
-# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
 Zone	Asia/Bishkek	4:58:24 -	LMT	1924 May  2
 			5:00	-	+05	1930 Jun 21
 			6:00 RussiaAsia +06/+07	1991 Mar 31  2:00s
 			5:00 RussiaAsia	+05/+06	1991 Aug 31  2:00
 			5:00	Kyrgyz	+05/+06	2005 Aug 12
 #
 # From Paul Eggert (2018-05-04):
 # The BBC reported that the transition was from 23:30 to 24:00 today.
 # https://www.bbc.com/news/world-asia-44010705
-# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
 Zone	Asia/Seoul	8:27:52	-	LMT	1908 Apr  1
 			8:30	-	KST	1912 Jan  1
 			9:00	-	JST	1945 Sep  8
 			9:00	-	KST	1954 Mar 21
 			8:30	ROK	K%sT	1961 Aug 10
 Rule	Lebanon	1990	1992	-	May	1	0:00	1:00	S
 Rule	Lebanon	1992	only	-	Oct	4	0:00	0	-
 Rule	Lebanon	1993	max	-	Mar	lastSun	0:00	1:00	S
 Rule	Lebanon	1993	1998	-	Sep	lastSun	0:00	0	-
 Rule	Lebanon	1999	max	-	Oct	lastSun	0:00	0	-
-# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
 Zone	Asia/Beirut	2:22:00 -	LMT	1880
 			2:00	Lebanon	EE%sT
 # Malaysia
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
 Rule	NBorneo	1935	1941	-	Dec	14	0:00	0	-
 #
 # peninsular Malaysia
 # taken from Mok Ly Yng (2003-10-30)
 # http://www.math.nus.edu.sg/aslaksen/teaching/timezone.html
-# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
 Zone Asia/Kuala_Lumpur	6:46:46 -	LMT	1901 Jan  1
 			6:55:25	-	SMT	1905 Jun  1 # Singapore M.T.
 			7:00	-	+07	1933 Jan  1
 			7:00	0:20	+0720	1936 Jan  1
 			7:20	-	+0720	1941 Sep  1
 			8:00	-	+08
 # Sabah & Sarawak
 # From Paul Eggert (2014-08-12):
 # The data entries here are mostly from Shanks & Pottenger, but the 1942, 1945
 # and 1982 transition dates are from Mok Ly Yng.
-# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
 Zone Asia/Kuching	7:21:20	-	LMT	1926 Mar
 			7:30	-	+0730	1933
 			8:00 NBorneo  +08/+0820	1942 Feb 16
 			9:00	-	+09	1945 Sep 12
 			8:00	-	+08
 # Maldives
-# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
 Zone	Indian/Maldives	4:54:00 -	LMT	1880 # Malé
 			4:54:00	-	MMT	1960 # Malé Mean Time
 			5:00	-	+05
 # Mongolia
 Rule	Mongol	2001	2006	-	Sep	lastSat	2:00	0	-
 Rule	Mongol	2002	2006	-	Mar	lastSat	2:00	1:00	-
 Rule	Mongol	2015	2016	-	Mar	lastSat	2:00	1:00	-
 Rule	Mongol	2015	2016	-	Sep	lastSat	0:00	0	-
-# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
 # Hovd, a.k.a. Chovd, Dund-Us, Dzhargalant, Khovd, Jirgalanta
 Zone	Asia/Hovd	6:06:36 -	LMT	1905 Aug
 			6:00	-	+06	1978
 			7:00	Mongol	+07/+08
 # Ulaanbaatar, a.k.a. Ulan Bataar, Ulan Bator, Urga
 			8:00	-	+08	1983 Apr
 			9:00	Mongol	+09/+10	2008 Mar 31
 			8:00	Mongol	+08/+09
 # Nepal
-# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
 Zone	Asia/Kathmandu	5:41:16 -	LMT	1920
 			5:30	-	+0530	1986
 			5:45	-	+0545
 # Oman
 Rule Pakistan	2002	only	-	Oct	Sun>=2	0:00	0	-
 Rule Pakistan	2008	only	-	Jun	1	0:00	1:00	S
 Rule Pakistan	2008	2009	-	Nov	1	0:00	0	-
 Rule Pakistan	2009	only	-	Apr	15	0:00	1:00	S
-# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
 Zone	Asia/Karachi	4:28:12 -	LMT	1907
 			5:30	-	+0530	1942 Sep
 			5:30	1:00	+0630	1945 Oct 15
 			5:30	-	+0530	1951 Sep 30
 			5:00	-	+05	1971 Mar 26
 # the official website, though the decree did not specify the exact
 # time of the time shift.
 # http://www.palestinecabinet.gov.ps/Website/AR/NDecrees/ViewFile.ashx?ID=e7a42ab7-ee23-435a-b9c8-a4f7e81f3817
 # From Even Scharning (2019-03-23):
-# DST in Palestine will start on 30 March this year, not 23 March as the time
+# http://pnn.ps/news/401130
-# zone database predicted.
+# http://palweather.ps/ar/node/50136.html
-# https://ramallah.news/post/123610
+#
-#
+# From Sharif Mustafa (2019-03-26):
-# From Tim Parenti (2019-03-23):
+# The Palestinian cabinet announced today that the switch to DST will
-# Combining this with the rules observed since 2016, adjust our spring
+# be on Fri Mar 29th 2019 by advancing the clock by 60 minutes.
-# transition guess to Mar Sat>=24.
+# The decree signing date is Mar 12th but it was not published till today.
+# The decree does not specify the exact time of switch.
+# http://palestinecabinet.gov.ps/Website/AR/NDecrees/ViewFile.ashx?ID=e54e9ea1-50ee-4137-84df-0d6c78da259b
+#
+# From Even Scharning (2019-04-10):
+# Our source in Palestine said it happened Friday 29 at 00:00 local time....
+#
+# From Paul Eggert (2019-04-10):
+# For now, guess spring-ahead transitions are March's last Friday at 00:00.
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
 Rule EgyptAsia	1957	only	-	May	10	0:00	1:00	S
 Rule EgyptAsia	1957	1958	-	Oct	 1	0:00	0	-
 Rule EgyptAsia	1958	only	-	May	 1	0:00	1:00	S
 Rule Palestine	2012	2014	-	Mar	lastThu	24:00	1:00	S
 Rule Palestine	2012	only	-	Sep	21	1:00	0	-
 Rule Palestine	2013	only	-	Sep	Fri>=21	0:00	0	-
 Rule Palestine	2014	2015	-	Oct	Fri>=21	0:00	0	-
 Rule Palestine	2015	only	-	Mar	lastFri	24:00	1:00	S
-Rule Palestine	2016	max	-	Mar	Sat>=24	1:00	1:00	S
+Rule Palestine	2016	2018	-	Mar	Sat>=24	1:00	1:00	S
 Rule Palestine	2016	max	-	Oct	lastSat	1:00	0	-
+Rule Palestine	2019	max	-	Mar	lastFri	0:00	1:00	S
-# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
 Zone	Asia/Gaza	2:17:52	-	LMT	1900 Oct
 			2:00	Zion	EET/EEST 1948 May 15
 			2:00 EgyptAsia	EE%sT	1967 Jun  5
 			2:00	Zion	I%sT	1996
 			2:00	Jordan	EE%sT	1999
 Rule	Phil	1937	only	-	Feb	1	0:00	0	S
 Rule	Phil	1954	only	-	Apr	12	0:00	1:00	D
 Rule	Phil	1954	only	-	Jul	1	0:00	0	S
 Rule	Phil	1978	only	-	Mar	22	0:00	1:00	D
 Rule	Phil	1978	only	-	Sep	21	0:00	0	S
-# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
 Zone	Asia/Manila	-15:56:00 -	LMT	1844 Dec 31
 			8:04:00 -	LMT	1899 May 11
 			8:00	Phil	P%sT	1942 May
 			9:00	-	JST	1944 Nov
 			8:00	Phil	P%sT
 # Qatar
-# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
 Zone	Asia/Qatar	3:26:08 -	LMT	1920     # Al Dawhah / Doha
 			4:00	-	+04	1972 Jun
 			3:00	-	+03
 Link Asia/Qatar Asia/Bahrain
 # Shanks & Pottenger also state that until 1968-05-01 Saudi Arabia had two
 # time zones; the other zone, at UT +04, was in the far eastern part of
 # the country.  Presumably this is documenting airline time.  Ignore this,
 # as it's before our 1970 cutoff.
 #
-# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
 Zone	Asia/Riyadh	3:06:52 -	LMT	1947 Mar 14
 			3:00	-	+03
 Link Asia/Riyadh Asia/Aden	# Yemen
 Link Asia/Riyadh Asia/Kuwait
 # Singapore
 # taken from Mok Ly Yng (2003-10-30)
 # http://www.math.nus.edu.sg/aslaksen/teaching/timezone.html
-# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
 Zone	Asia/Singapore	6:55:25 -	LMT	1901 Jan  1
 			6:55:25	-	SMT	1905 Jun  1 # Singapore M.T.
 			7:00	-	+07	1933 Jan  1
 			7:00	0:20	+0720	1936 Jan  1
 			7:20	-	+0720	1941 Sep  1
 # since then (though there has been a lot of cricket) and nothing in
 # other English-language news sources.  Our old abbreviation "LKT" is
 # even worse.  For now, let's use a numeric abbreviation; we can
 # switch to "SLST" if it catches on.
-# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
 Zone	Asia/Colombo	5:19:24 -	LMT	1880
 			5:19:32	-	MMT	1906        # Moratuwa Mean Time
 			5:30	-	+0530	1942 Jan  5
 			5:30	0:30	+06	1942 Sep
 			5:30	1:00	+0630	1945 Oct 16  2:00
 Rule	Syria	2009	only	-	Mar	lastFri	0:00	1:00	S
 Rule	Syria	2010	2011	-	Apr	Fri>=1	0:00	1:00	S
 Rule	Syria	2012	max	-	Mar	lastFri	0:00	1:00	S
 Rule	Syria	2009	max	-	Oct	lastFri	0:00	0	-
-# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
 Zone	Asia/Damascus	2:25:12 -	LMT	1920 # Dimashq
 			2:00	Syria	EE%sT
 # Tajikistan
 # From Shanks & Pottenger.
-# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
 Zone	Asia/Dushanbe	4:35:12 -	LMT	1924 May  2
 			5:00	-	+05	1930 Jun 21
 			6:00 RussiaAsia +06/+07	1991 Mar 31  2:00s
 			5:00	1:00	+05/+06	1991 Sep  9  2:00s
 			5:00	-	+05
 # Thailand
-# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
 Zone	Asia/Bangkok	6:42:04	-	LMT	1880
 			6:42:04	-	BMT	1920 Apr # Bangkok Mean Time
 			7:00	-	+07
 Link Asia/Bangkok Asia/Phnom_Penh	# Cambodia
 Link Asia/Bangkok Asia/Vientiane	# Laos
 # Turkmenistan
 # From Shanks & Pottenger.
-# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
 Zone	Asia/Ashgabat	3:53:32 -	LMT	1924 May  2 # or Ashkhabad
 			4:00	-	+04	1930 Jun 21
 			5:00 RussiaAsia	+05/+06	1991 Mar 31  2:00
 			4:00 RussiaAsia	+04/+05	1992 Jan 19  2:00
 			5:00	-	+05
 # United Arab Emirates
-# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
 Zone	Asia/Dubai	3:41:12 -	LMT	1920
 			4:00	-	+04
 Link Asia/Dubai Asia/Muscat	# Oman
 # Uzbekistan
 # Byalokoz 1919 says Uzbekistan was 4:27:53.
-# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
 Zone	Asia/Samarkand	4:27:53 -	LMT	1924 May  2
 			4:00	-	+04	1930 Jun 21
 			5:00	-	+05	1981 Apr  1
 			5:00	1:00	+06	1981 Oct  1
 			6:00	-	+06	1982 Apr  1
 # NXB Thống kê, Hanoi, 2000.
 #
 # Lê Thành Lân: "Lịch hai thế kỷ (1802-2010) và các lịch vĩnh cửu",
 # NXB Thuận Hoá, Huế, 1995.
-# Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
+# Zone	NAME		STDOFF	RULES	FORMAT	[UNTIL]
 Zone Asia/Ho_Chi_Minh	7:06:40 -	LMT	1906 Jul  1
 			7:06:30	-	PLMT	1911 May  1 # Phù Liễn MT
 			7:00	-	+07	1942 Dec 31 23:00
 			8:00	-	+08	1945 Mar 14 23:00
 			9:00	-	+09	1945 Sep  2

changeset 57667	79036e5e744b
parent 57544	99d2dd7b84a8
child 58284	59f7c242ccb8