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*** 27,45 ****
# This file is by no means authoritative; if you think you know better,
# go ahead and edit the file (and please send any changes to
# tz@iana.org for general use in the future). For more, please see
# the file CONTRIBUTING in the tz distribution.
! # From Paul Eggert (2015-08-08):
#
# Unless otherwise specified, the source for data through 1990 is:
# Thomas G. Shanks and Rique Pottenger, The International Atlas (6th edition),
# San Diego: ACS Publications, Inc. (2003).
# Unfortunately this book contains many errors and cites no sources.
#
! # Gwillim Law writes that a good source
! # for recent time zone data is the International Air Transport
# Association's Standard Schedules Information Manual (IATA SSIM),
# published semiannually. Law sent in several helpful summaries
# of the IATA's data after 1990. Except where otherwise noted,
# IATA SSIM is the source for entries after 1990.
#
--- 27,45 ----
# This file is by no means authoritative; if you think you know better,
# go ahead and edit the file (and please send any changes to
# tz@iana.org for general use in the future). For more, please see
# the file CONTRIBUTING in the tz distribution.
! # From Paul Eggert (2017-01-13):
#
# Unless otherwise specified, the source for data through 1990 is:
# Thomas G. Shanks and Rique Pottenger, The International Atlas (6th edition),
# San Diego: ACS Publications, Inc. (2003).
# Unfortunately this book contains many errors and cites no sources.
#
! # Many years ago Gwillim Law wrote that a good source
! # for time zone data was the International Air Transport
# Association's Standard Schedules Information Manual (IATA SSIM),
# published semiannually. Law sent in several helpful summaries
# of the IATA's data after 1990. Except where otherwise noted,
# IATA SSIM is the source for entries after 1990.
#
*** 56,96 ****
# (See the 'europe' file for a fuller citation.)
#
# A reliable and entertaining source about time zones is
# Derek Howse, Greenwich time and longitude, Philip Wilson Publishers (1997).
#
! # I invented the abbreviations marked '*' in the following table;
! # the rest are from earlier versions of this file, or from other sources.
! # Corrections are welcome!
# std dst
# LMT Local Mean Time
# 2:00 EET EEST Eastern European Time
# 2:00 IST IDT Israel
- # 3:00 AST ADT Arabia*
- # 3:30 IRST IRDT Iran*
- # 4:00 GST Gulf*
# 5:30 IST India
- # 7:00 ICT Indochina, most times and locations*
# 7:00 WIB west Indonesia (Waktu Indonesia Barat)
# 8:00 WITA central Indonesia (Waktu Indonesia Tengah)
# 8:00 CST China
! # 8:00 IDT Indochina, 1943-45, 1947-55, 1960-75 (some locations)*
! # 8:00 JWST Western Standard Time (Japan, 1896/1937)*
! # 8:30 KST KDT Korea when at +0830*
! # 9:00 JCST Central Standard Time (Japan, 1896/1937)
# 9:00 WIT east Indonesia (Waktu Indonesia Timur)
# 9:00 JST JDT Japan
# 9:00 KST KDT Korea when at +09
# 9:30 ACST Australian Central Standard Time
#
# See the 'europe' file for Russia and Turkey in Asia.
# From Guy Harris:
# Incorporates data for Singapore from Robert Elz' asia 1.1, as well as
# additional information from Tom Yap, Sun Microsystems Intercontinental
# Technical Support (including a page from the Official Airline Guide -
! # Worldwide Edition). The names for time zones are guesses.
###############################################################################
# These rules are stolen from the 'europe' file.
# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
--- 56,91 ----
# (See the 'europe' file for a fuller citation.)
#
# A reliable and entertaining source about time zones is
# Derek Howse, Greenwich time and longitude, Philip Wilson Publishers (1997).
#
! # The following alphabetic abbreviations appear in these tables:
# std dst
# LMT Local Mean Time
# 2:00 EET EEST Eastern European Time
# 2:00 IST IDT Israel
# 5:30 IST India
# 7:00 WIB west Indonesia (Waktu Indonesia Barat)
# 8:00 WITA central Indonesia (Waktu Indonesia Tengah)
# 8:00 CST China
! # 8:30 KST KDT Korea when at +0830
# 9:00 WIT east Indonesia (Waktu Indonesia Timur)
# 9:00 JST JDT Japan
# 9:00 KST KDT Korea when at +09
# 9:30 ACST Australian Central Standard Time
+ # Otherwise, these tables typically use numeric abbreviations like +03
+ # and +0330 for integer hour and minute UTC offsets. Although earlier
+ # editions invented alphabetic time zone abbreviations for every
+ # offset, this did not reflect common practice.
#
# See the 'europe' file for Russia and Turkey in Asia.
# From Guy Harris:
# Incorporates data for Singapore from Robert Elz' asia 1.1, as well as
# additional information from Tom Yap, Sun Microsystems Intercontinental
# Technical Support (including a page from the Official Airline Guide -
! # Worldwide Edition).
###############################################################################
# These rules are stolen from the 'europe' file.
# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
*** 107,118 ****
Rule RussiaAsia 1996 2011 - Oct lastSun 2:00s 0 -
# Afghanistan
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
Zone Asia/Kabul 4:36:48 - LMT 1890
! 4:00 - AFT 1945
! 4:30 - AFT
# Armenia
# From Paul Eggert (2006-03-22):
# Shanks & Pottenger have Yerevan switching to 3:00 (with Russian DST)
# in spring 1991, then to 4:00 with no DST in fall 1995, then
--- 102,113 ----
Rule RussiaAsia 1996 2011 - Oct lastSun 2:00s 0 -
# Afghanistan
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
Zone Asia/Kabul 4:36:48 - LMT 1890
! 4:00 - +04 1945
! 4:30 - +0430
# Armenia
# From Paul Eggert (2006-03-22):
# Shanks & Pottenger have Yerevan switching to 3:00 (with Russian DST)
# in spring 1991, then to 4:00 with no DST in fall 1995, then
*** 251,300 ****
Rule Dhaka 2009 only - Dec 31 24:00 0 -
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
Zone Asia/Dhaka 6:01:40 - LMT 1890
5:53:20 - HMT 1941 Oct # Howrah Mean Time?
! 6:30 - BURT 1942 May 15 # Burma Time
! 5:30 - IST 1942 Sep
! 6:30 - BURT 1951 Sep 30
! 6:00 - DACT 1971 Mar 26 # Dacca Time
! 6:00 - BDT 2009
! 6:00 Dhaka BD%sT
# Bhutan
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
Zone Asia/Thimphu 5:58:36 - LMT 1947 Aug 15 # or Thimbu
! 5:30 - IST 1987 Oct
! 6:00 - BTT # Bhutan Time
# 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 Indian/Chagos 4:49:40 - LMT 1907
! 5:00 - IOT 1996 # BIOT Time
! 6:00 - IOT
# Brunei
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
Zone Asia/Brunei 7:39:40 - LMT 1926 Mar # Bandar Seri Begawan
! 7:30 - BNT 1933
! 8:00 - BNT
# Burma / Myanmar
# Milne says 6:24:40 was the meridian of the time ball observatory at Rangoon.
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
Zone Asia/Yangon 6:24:40 - LMT 1880 # or Rangoon
6:24:40 - RMT 1920 # Rangoon Mean Time?
! 6:30 - BURT 1942 May # Burma Time
! 9:00 - JST 1945 May 3
! 6:30 - MMT # Myanmar Time
# Cambodia
# See Asia/Bangkok.
--- 246,294 ----
Rule Dhaka 2009 only - Dec 31 24:00 0 -
# Zone NAME GMTOFF 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 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 Indian/Chagos 4:49:40 - LMT 1907
! 5:00 - +05 1996
! 6:00 - +06
# Brunei
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
Zone Asia/Brunei 7:39:40 - LMT 1926 Mar # Bandar Seri Begawan
! 7:30 - +0730 1933
! 8:00 - +08
# Burma / Myanmar
# Milne says 6:24:40 was the meridian of the time ball observatory at Rangoon.
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
Zone Asia/Yangon 6:24:40 - LMT 1880 # or Rangoon
6:24:40 - RMT 1920 # Rangoon Mean Time?
! 6:30 - +0630 1942 May
! 9:00 - +09 1945 May 3
! 6:30 - +0630
# Cambodia
# See Asia/Bangkok.
*** 353,363 ****
# therefore supposed to be GMT+7, Xizang region being GMT+6, but Dege
# county is GMT+8 according to astro.com while Baiyu county is GMT+6
# (could be true), for the moment I am assuming that those two
# counties are mistakes in the astro.com data.
! # From Paul Eggert (2014-06-30):
# Alois Treindl kindly sent me translations of the following two sources:
#
# (1)
# Guo Qingsheng (National Time-Service Center, CAS, Xi'an 710600, China)
# Beijing Time at the Beginning of the PRC
--- 347,357 ----
# therefore supposed to be GMT+7, Xizang region being GMT+6, but Dege
# county is GMT+8 according to astro.com while Baiyu county is GMT+6
# (could be true), for the moment I am assuming that those two
# counties are mistakes in the astro.com data.
! # From Paul Eggert (2017-01-05):
# Alois Treindl kindly sent me translations of the following two sources:
#
# (1)
# Guo Qingsheng (National Time-Service Center, CAS, Xi'an 710600, China)
# Beijing Time at the Beginning of the PRC
*** 411,453 ****
# Asia/Urumqi, with the others being links for backward compatibility.
# Proposed in 1918 and theoretically in effect until 1949 (although in practice
# mainly observed in coastal areas), the five zones were:
#
# Changbai Time ("Long-white Time", Long-white = Heilongjiang area) UT +08:30
! # Asia/Harbin (currently a link to Asia/Shanghai)
# Heilongjiang (except Mohe county), Jilin
#
# Zhongyuan Time ("Central plain Time") UT +08
! # Asia/Shanghai
# most of China
- # This currently represents most other zones as well,
- # as apparently these regions have been the same since 1970.
# Milne gives 8:05:43.2 for Xujiahui Observatory time; round to nearest.
# Guo says Shanghai switched to UT +08 "from the end of the 19th century".
#
! # Long-shu Time (probably due to Long and Shu being two names of the area) UT +07
! # Asia/Chongqing (currently a link to Asia/Shanghai)
# Guangxi, Guizhou, Hainan, Ningxia, Sichuan, Shaanxi, and Yunnan;
! # most of Gansu; west Inner Mongolia; west Qinghai; and the Guangdong
# counties Deqing, Enping, Kaiping, Luoding, Taishan, Xinxing,
# Yangchun, Yangjiang, Yu'nan, and Yunfu.
#
# Xin-zang Time ("Xinjiang-Tibet Time") UT +06
! # Asia/Urumqi
! # This currently represents Kunlun Time as well,
! # as apparently the two regions have been the same since 1970.
# The Gansu counties Aksay, Anxi, Dunhuang, Subei; west Qinghai;
# the Guangdong counties Xuwen, Haikang, Suixi, Lianjiang,
# Zhanjiang, Wuchuan, Huazhou, Gaozhou, Maoming, Dianbai, and Xinyi;
# east Tibet, including Lhasa, Chamdo, Shigaise, Jimsar, Shawan and Hutubi;
# east Xinjiang, including Ürümqi, Turpan, Karamay, Korla, Minfeng, Jinghe,
# Wusu, Qiemo, Xinyan, Wulanwusu, Jinghe, Yumin, Tacheng, Tuoli, Emin,
# Shihezi, Changji, Yanqi, Heshuo, Tuokexun, Tulufan, Shanshan, Hami,
# Fukang, Kuitun, Kumukuli, Miquan, Qitai, and Turfan.
#
# Kunlun Time UT +05:30
! # Asia/Kashgar (currently a link to Asia/Urumqi)
# West Tibet, including Pulan, Aheqi, Shufu, Shule;
# West Xinjiang, including Aksu, Atushi, Yining, Hetian, Cele, Luopu, Nileke,
# Zhaosu, Tekesi, Gongliu, Chabuchaer, Huocheng, Bole, Pishan, Suiding,
# and Yarkand.
--- 405,445 ----
# Asia/Urumqi, with the others being links for backward compatibility.
# Proposed in 1918 and theoretically in effect until 1949 (although in practice
# mainly observed in coastal areas), the five zones were:
#
# Changbai Time ("Long-white Time", Long-white = Heilongjiang area) UT +08:30
! # Now part of Asia/Shanghai; its pre-1970 times are not recorded here.
# Heilongjiang (except Mohe county), Jilin
#
# Zhongyuan Time ("Central plain Time") UT +08
! # Now part of Asia/Shanghai.
# most of China
# Milne gives 8:05:43.2 for Xujiahui Observatory time; round to nearest.
# Guo says Shanghai switched to UT +08 "from the end of the 19th century".
#
! # Long-shu Time (probably as Long and Shu were two names of the area) UT +07
! # Now part of Asia/Shanghai; its pre-1970 times are not recorded here.
# Guangxi, Guizhou, Hainan, Ningxia, Sichuan, Shaanxi, and Yunnan;
! # most of Gansu; west Inner Mongolia; east Qinghai; and the Guangdong
# counties Deqing, Enping, Kaiping, Luoding, Taishan, Xinxing,
# Yangchun, Yangjiang, Yu'nan, and Yunfu.
#
# Xin-zang Time ("Xinjiang-Tibet Time") UT +06
! # This region is now part of either Asia/Urumqi or Asia/Shanghai with
! # current boundaries uncertain; times before 1970 for areas that
! # disagree with Ürümqi or Shanghai are not recorded here.
# The Gansu counties Aksay, Anxi, Dunhuang, Subei; west Qinghai;
# the Guangdong counties Xuwen, Haikang, Suixi, Lianjiang,
# Zhanjiang, Wuchuan, Huazhou, Gaozhou, Maoming, Dianbai, and Xinyi;
# east Tibet, including Lhasa, Chamdo, Shigaise, Jimsar, Shawan and Hutubi;
# east Xinjiang, including Ürümqi, Turpan, Karamay, Korla, Minfeng, Jinghe,
# Wusu, Qiemo, Xinyan, Wulanwusu, Jinghe, Yumin, Tacheng, Tuoli, Emin,
# Shihezi, Changji, Yanqi, Heshuo, Tuokexun, Tulufan, Shanshan, Hami,
# Fukang, Kuitun, Kumukuli, Miquan, Qitai, and Turfan.
#
# Kunlun Time UT +05:30
! # This region is now in the same status as Xin-zang Time (see above).
# West Tibet, including Pulan, Aheqi, Shufu, Shule;
# West Xinjiang, including Aksu, Atushi, Yining, Hetian, Cele, Luopu, Nileke,
# Zhaosu, Tekesi, Gongliu, Chabuchaer, Huocheng, Bole, Pishan, Suiding,
# and Yarkand.
*** 544,554 ****
8:00 Shang C%sT 1949
8:00 PRC C%sT
# Xinjiang time, used by many in western China; represented by Ürümqi / Ürümchi
# / Wulumuqi. (Please use Asia/Shanghai if you prefer Beijing time.)
Zone Asia/Urumqi 5:50:20 - LMT 1928
! 6:00 - XJT
# Hong Kong (Xianggang)
# Milne gives 7:36:41.7; round this.
--- 536,546 ----
8:00 Shang C%sT 1949
8:00 PRC C%sT
# Xinjiang time, used by many in western China; represented by Ürümqi / Ürümchi
# / Wulumuqi. (Please use Asia/Shanghai if you prefer Beijing time.)
Zone Asia/Urumqi 5:50:20 - LMT 1928
! 6:00 - +06
# Hong Kong (Xianggang)
# Milne gives 7:36:41.7; round this.
*** 763,796 ****
Rule Taiwan 1979 only - Oct 1 0:00 0 S
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
# Taipei or Taibei or T'ai-pei
Zone Asia/Taipei 8:06:00 - LMT 1896 Jan 1
! 8:00 - JWST 1937 Oct 1
9:00 - JST 1945 Sep 21 1:00
8:00 Taiwan C%sT
# Macau (Macao, Aomen)
# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
! Rule Macau 1961 1962 - Mar Sun>=16 3:30 1:00 S
! Rule Macau 1961 1964 - Nov Sun>=1 3:30 0 -
! Rule Macau 1963 only - Mar Sun>=16 0:00 1:00 S
! Rule Macau 1964 only - Mar Sun>=16 3:30 1:00 S
! Rule Macau 1965 only - Mar Sun>=16 0:00 1:00 S
! Rule Macau 1965 only - Oct 31 0:00 0 -
! Rule Macau 1966 1971 - Apr Sun>=16 3:30 1:00 S
! Rule Macau 1966 1971 - Oct Sun>=16 3:30 0 -
! Rule Macau 1972 1974 - Apr Sun>=15 0:00 1:00 S
! Rule Macau 1972 1973 - Oct Sun>=15 0:00 0 -
! Rule Macau 1974 1977 - Oct Sun>=15 3:30 0 -
! Rule Macau 1975 1977 - Apr Sun>=15 3:30 1:00 S
! Rule Macau 1978 1980 - Apr Sun>=15 0:00 1:00 S
! Rule Macau 1978 1980 - Oct Sun>=15 0:00 0 -
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
Zone Asia/Macau 7:34:20 - LMT 1912 Jan 1
! 8:00 Macau MO%sT 1999 Dec 20 # return to China
! 8:00 PRC C%sT
###############################################################################
# Cyprus
--- 755,787 ----
Rule Taiwan 1979 only - Oct 1 0:00 0 S
# Zone NAME GMTOFF 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
# Macau (Macao, Aomen)
# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
! Rule Macau 1961 1962 - Mar Sun>=16 3:30 1:00 D
! Rule Macau 1961 1964 - Nov Sun>=1 3:30 0 S
! Rule Macau 1963 only - Mar Sun>=16 0:00 1:00 D
! Rule Macau 1964 only - Mar Sun>=16 3:30 1:00 D
! Rule Macau 1965 only - Mar Sun>=16 0:00 1:00 D
! Rule Macau 1965 only - Oct 31 0:00 0 S
! Rule Macau 1966 1971 - Apr Sun>=16 3:30 1:00 D
! Rule Macau 1966 1971 - Oct Sun>=16 3:30 0 S
! Rule Macau 1972 1974 - Apr Sun>=15 0:00 1:00 D
! Rule Macau 1972 1973 - Oct Sun>=15 0:00 0 S
! Rule Macau 1974 1977 - Oct Sun>=15 3:30 0 S
! Rule Macau 1975 1977 - Apr Sun>=15 3:30 1:00 D
! Rule Macau 1978 1980 - Apr Sun>=15 0:00 1:00 D
! Rule Macau 1978 1980 - Oct Sun>=15 0:00 0 S
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
Zone Asia/Macau 7:34:20 - LMT 1912 Jan 1
! 8:00 Macau C%sT
###############################################################################
# Cyprus
*** 902,916 ****
# which will be permanent, with no seasonal adjustment, will happen at
# midnight on Saturday, September 16.
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
Zone Asia/Dili 8:22:20 - LMT 1912 Jan 1
! 8:00 - TLT 1942 Feb 21 23:00 # E Timor Time
! 9:00 - JST 1945 Sep 23
! 9:00 - TLT 1976 May 3
! 8:00 - WITA 2000 Sep 17 0:00
! 9:00 - TLT
# India
# From Ian P. Beacock, in "A brief history of (modern) time", The Atlantic
# http://www.theatlantic.com/technology/archive/2015/12/the-creation-of-modern-time/421419/
--- 893,906 ----
# which will be permanent, with no seasonal adjustment, will happen at
# midnight on Saturday, September 16.
# Zone NAME GMTOFF 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
# India
# From Ian P. Beacock, in "A brief history of (modern) time", The Atlantic
# http://www.theatlantic.com/technology/archive/2015/12/the-creation-of-modern-time/421419/
*** 921,933 ****
# dispute the "Battle of the Clocks." It lasted nearly half a century.
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
Zone Asia/Kolkata 5:53:28 - LMT 1880 # Kolkata
5:53:20 - HMT 1941 Oct # Howrah Mean Time?
! 6:30 - BURT 1942 May 15 # Burma Time
5:30 - IST 1942 Sep
! 5:30 1:00 IST 1945 Oct 15
5:30 - IST
# The following are like Asia/Kolkata:
# Andaman Is
# Lakshadweep (Laccadive, Minicoy and Amindivi Is)
# Nicobar Is
--- 911,923 ----
# dispute the "Battle of the Clocks." It lasted nearly half a century.
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
Zone Asia/Kolkata 5:53:28 - LMT 1880 # Kolkata
5:53:20 - HMT 1941 Oct # Howrah Mean Time?
! 6:30 - +0630 1942 May 15
5:30 - IST 1942 Sep
! 5:30 1:00 +0630 1945 Oct 15
5:30 - IST
# The following are like Asia/Kolkata:
# Andaman Is
# Lakshadweep (Laccadive, Minicoy and Amindivi Is)
# Nicobar Is
*** 974,1010 ****
# 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
! 7:20 - JAVT 1932 Nov # Java Time
! 7:30 - WIB 1942 Mar 23
! 9:00 - JST 1945 Sep 23
! 7:30 - WIB 1948 May
! 8:00 - WIB 1950 May
! 7:30 - WIB 1964
7:00 - WIB
# west and central Borneo
Zone Asia/Pontianak 7:17:20 - LMT 1908 May
7:17:20 - PMT 1932 Nov # Pontianak MT
! 7:30 - WIB 1942 Jan 29
! 9:00 - JST 1945 Sep 23
! 7:30 - WIB 1948 May
! 8:00 - WIB 1950 May
! 7:30 - WIB 1964
8:00 - WITA 1988 Jan 1
7:00 - WIB
# Sulawesi, Lesser Sundas, east and south Borneo
Zone Asia/Makassar 7:57:36 - LMT 1920
7:57:36 - MMT 1932 Nov # Macassar MT
! 8:00 - WITA 1942 Feb 9
! 9:00 - JST 1945 Sep 23
8:00 - WITA
# Maluku Islands, West Papua, Papua
Zone Asia/Jayapura 9:22:48 - LMT 1932 Nov
! 9:00 - WIT 1944 Sep 1
! 9:30 - ACST 1964
9:00 - WIT
# Iran
# From Roozbeh Pournader (2003-03-15):
--- 964,1000 ----
# 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
! 7:20 - +0720 1932 Nov
! 7:30 - +0730 1942 Mar 23
! 9:00 - +09 1945 Sep 23
! 7:30 - +0730 1948 May
! 8:00 - +08 1950 May
! 7:30 - +0730 1964
7:00 - WIB
# west and central Borneo
Zone Asia/Pontianak 7:17:20 - LMT 1908 May
7:17:20 - PMT 1932 Nov # Pontianak MT
! 7:30 - +0730 1942 Jan 29
! 9:00 - +09 1945 Sep 23
! 7:30 - +0730 1948 May
! 8:00 - +08 1950 May
! 7:30 - +0730 1964
8:00 - WITA 1988 Jan 1
7:00 - WIB
# Sulawesi, Lesser Sundas, east and south Borneo
Zone Asia/Makassar 7:57:36 - LMT 1920
7:57:36 - MMT 1932 Nov # Macassar MT
! 8:00 - +08 1942 Feb 9
! 9:00 - +09 1945 Sep 23
8:00 - WITA
# Maluku Islands, West Papua, Papua
Zone Asia/Jayapura 9:22:48 - LMT 1932 Nov
! 9:00 - +09 1944 Sep 1
! 9:30 - +0930 1964
9:00 - WIT
# Iran
# From Roozbeh Pournader (2003-03-15):
*** 1032,1043 ****
#
# From personal experience, that agrees with what has been followed
# for at least the last 5 years. Before that, for a few years, the
# date used was the first Thursday night of Farvardin and the last
# Thursday night of Shahrivar, but I can't give exact dates....
- # I have also changed the abbreviations to what is considered correct
- # here in Iran, IRST for regular time and IRDT for daylight saving time.
#
# From Roozbeh Pournader (2005-04-05):
# The text of the Iranian law, in effect since 1925, clearly mentions
# that the true solar year is the measure, and there is no arithmetic
# leap year calculation involved. There has never been any serious
--- 1022,1031 ----
*** 1140,1152 ****
Rule Iran 2036 max - Sep 21 0:00 0 S
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
Zone Asia/Tehran 3:25:44 - LMT 1916
3:25:44 - TMT 1946 # Tehran Mean Time
! 3:30 - IRST 1977 Nov
! 4:00 Iran IR%sT 1979
! 3:30 Iran IR%sT
# Iraq
#
# From Jonathan Lennox (2000-06-12):
--- 1128,1140 ----
Rule Iran 2036 max - Sep 21 0:00 0 S
# Zone NAME GMTOFF 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
# Iraq
#
# From Jonathan Lennox (2000-06-12):
*** 1185,1196 ****
Rule Iraq 1991 2007 - Apr 1 3:00s 1:00 D
Rule Iraq 1991 2007 - Oct 1 3:00s 0 S
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
Zone Asia/Baghdad 2:57:40 - LMT 1890
2:57:36 - BMT 1918 # Baghdad Mean Time?
! 3:00 - AST 1982 May
! 3:00 Iraq A%sT
###############################################################################
# Israel
--- 1173,1184 ----
Rule Iraq 1991 2007 - Apr 1 3:00s 1:00 D
Rule Iraq 1991 2007 - Oct 1 3:00s 0 S
# Zone NAME GMTOFF 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
###############################################################################
# Israel
*** 1485,1496 ****
# Central Time (UTC+9). The adoption began on Oct 1, 1937.
# http://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 Asia/Tokyo 9:18:59 - LMT 1887 Dec 31 15:00u
- 9:00 - JST 1896 Jan 1
- 9:00 - JCST 1937 Oct 1
9:00 Japan J%sT
# Since 1938, all Japanese possessions have been like Asia/Tokyo.
# Jordan
#
--- 1473,1482 ----
*** 1762,1772 ****
# Unamended version of the act of the Government of the Russian Federation
# No. 23 from 1992-01-08 [See 'europe' file for details].
# Kazakh 1992-01-13 act appears to provide the same rules and 1992-03-27
# act was to be enacted on the last Sunday of March 1992.
! # From Paul Eggert (2016-11-07):
# The tables below reflect Golosunov's remarks, with exceptions as noted.
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
#
# Almaty (formerly Alma-Ata), representing most locations in Kazakhstan
--- 1748,1774 ----
# Unamended version of the act of the Government of the Russian Federation
# No. 23 from 1992-01-08 [See 'europe' file for details].
# Kazakh 1992-01-13 act appears to provide the same rules and 1992-03-27
# act was to be enacted on the last Sunday of March 1992.
! # From Stepan Golosunov (2016-11-08):
! # Turgai reorganization should affect only southern part of Qostanay
! # oblast. Which should probably be separated into Asia/Arkalyk zone.
! # (There were also 1970, 1988 and 1990 Turgai oblast reorganizations
! # according to wikipedia.)
! #
! # [For Qostanay] http://www.ng.kz/gazeta/195/hranit/
! # suggests that clocks were to be moved 40 minutes backwards on
! # 1920-01-01 to the fourth time belt. But I do not understand
! # how that could happen....
! #
! # [For Atyrau and Oral] 1919 decree
! # (http://www.worldtimezone.com/dst_news/dst_news_russia-1919-02-08.html
! # and in Byalokoz) lists Ural river (plus 10 versts on its left bank) in
! # the third time belt (before 1930 this means +03).
!
! # From Paul Eggert (2016-12-06):
# The tables below reflect Golosunov's remarks, with exceptions as noted.
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
#
# Almaty (formerly Alma-Ata), representing most locations in Kazakhstan
*** 1792,1802 ****
6:00 RussiaAsia +06/+07 1992 Mar 29 2:00s
5:00 RussiaAsia +05/+06 2004 Oct 31 2:00s
6:00 - +06
# The following zone is like Asia/Qyzylorda except for being one
# hour earlier from 1991-09-29 to 1992-03-29. The 1991/2 rules for
! # Qostenay are unclear partly because of the 1997 Turgai
# reorganization, so this zone is commented out for now.
#Zone Asia/Qostanay 4:14:20 - LMT 1924 May 2
# 4:00 - +04 1930 Jun 21
# 5:00 - +05 1981 Apr 1
# 5:00 1:00 +06 1981 Oct 1
--- 1794,1804 ----
6:00 RussiaAsia +06/+07 1992 Mar 29 2:00s
5:00 RussiaAsia +05/+06 2004 Oct 31 2:00s
6:00 - +06
# The following zone is like Asia/Qyzylorda except for being one
# hour earlier from 1991-09-29 to 1992-03-29. The 1991/2 rules for
! # Qostanay are unclear partly because of the 1997 Turgai
# reorganization, so this zone is commented out for now.
#Zone Asia/Qostanay 4:14:20 - LMT 1924 May 2
# 4:00 - +04 1930 Jun 21
# 5:00 - +05 1981 Apr 1
# 5:00 1:00 +06 1981 Oct 1
*** 1829,1839 ****
4:00 RussiaAsia +04/+05 2004 Oct 31 2:00s
5:00 - +05
# Atyraū (KZ-ATY) is like Mangghystaū except it switched from
# +04/+05 to +05/+06 in spring 1999, not fall 1994.
Zone Asia/Atyrau 3:27:44 - LMT 1924 May 2
! 4:00 - +04 1930 Jun 21
5:00 - +05 1981 Oct 1
6:00 - +06 1982 Apr 1
5:00 RussiaAsia +05/+06 1991 Mar 31 2:00s
4:00 RussiaAsia +04/+05 1992 Jan 19 2:00s
5:00 RussiaAsia +05/+06 1999 Mar 28 2:00s
--- 1831,1841 ----
4:00 RussiaAsia +04/+05 2004 Oct 31 2:00s
5:00 - +05
# Atyraū (KZ-ATY) is like Mangghystaū except it switched from
# +04/+05 to +05/+06 in spring 1999, not fall 1994.
Zone Asia/Atyrau 3:27:44 - LMT 1924 May 2
! 3:00 - +03 1930 Jun 21
5:00 - +05 1981 Oct 1
6:00 - +06 1982 Apr 1
5:00 RussiaAsia +05/+06 1991 Mar 31 2:00s
4:00 RussiaAsia +04/+05 1992 Jan 19 2:00s
5:00 RussiaAsia +05/+06 1999 Mar 28 2:00s
*** 1841,1851 ****
5:00 - +05
# West Kazakhstan (KZ-ZAP)
# From Paul Eggert (2016-03-18):
# The 1989 transition is from USSR act No. 227 (1989-03-14).
Zone Asia/Oral 3:25:24 - LMT 1924 May 2 # or Ural'sk
! 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
5:00 RussiaAsia +05/+06 1989 Mar 26 2:00s
4:00 RussiaAsia +04/+05 1992 Jan 19 2:00s
--- 1843,1853 ----
5:00 - +05
# West Kazakhstan (KZ-ZAP)
# From Paul Eggert (2016-03-18):
# The 1989 transition is from USSR act No. 227 (1989-03-14).
Zone Asia/Oral 3:25:24 - LMT 1924 May 2 # or Ural'sk
! 3:00 - +03 1930 Jun 21
5:00 - +05 1981 Apr 1
5:00 1:00 +06 1981 Oct 1
6:00 - +06 1982 Apr 1
5:00 RussiaAsia +05/+06 1989 Mar 26 2:00s
4:00 RussiaAsia +04/+05 1992 Jan 19 2:00s
*** 1947,1964 ****
# Use KST, as that's what we already use for 1954-1961 in ROK.
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
Zone Asia/Seoul 8:27:52 - LMT 1908 Apr 1
8:30 - KST 1912 Jan 1
- 9:00 - JCST 1937 Oct 1
9:00 - JST 1945 Sep 8
9:00 - KST 1954 Mar 21
8:30 ROK K%sT 1961 Aug 10
9:00 ROK K%sT
Zone Asia/Pyongyang 8:23:00 - LMT 1908 Apr 1
8:30 - KST 1912 Jan 1
- 9:00 - JCST 1937 Oct 1
9:00 - JST 1945 Aug 24
9:00 - KST 2015 Aug 15 00:00
8:30 - KST
###############################################################################
--- 1949,1964 ----
*** 2009,2042 ****
# 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 Asia/Kuala_Lumpur 6:46:46 - LMT 1901 Jan 1
6:55:25 - SMT 1905 Jun 1 # Singapore M.T.
! 7:00 - MALT 1933 Jan 1 # Malaya Time
! 7:00 0:20 MALST 1936 Jan 1
! 7:20 - MALT 1941 Sep 1
! 7:30 - MALT 1942 Feb 16
! 9:00 - JST 1945 Sep 12
! 7:30 - MALT 1982 Jan 1
! 8:00 - MYT # Malaysia Time
# 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 Asia/Kuching 7:21:20 - LMT 1926 Mar
! 7:30 - BORT 1933 # Borneo Time
! 8:00 NBorneo BOR%sT 1942 Feb 16
! 9:00 - JST 1945 Sep 12
! 8:00 - BORT 1982 Jan 1
! 8:00 - MYT
# Maldives
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
Zone Indian/Maldives 4:54:00 - LMT 1880 # Male
4:54:00 - MMT 1960 # Male Mean Time
! 5:00 - MVT # Maldives Time
# Mongolia
# Shanks & Pottenger say that Mongolia has three time zones, but
# The USNO (1995-12-21) and the CIA map Standard Time Zones of the World
--- 2009,2041 ----
# 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 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
! 7:30 - +0730 1942 Feb 16
! 9:00 - +09 1945 Sep 12
! 7:30 - +0730 1982 Jan 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 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 Indian/Maldives 4:54:00 - LMT 1880 # Male
4:54:00 - MMT 1960 # Male Mean Time
! 5:00 - +05
# Mongolia
# Shanks & Pottenger say that Mongolia has three time zones, but
# The USNO (1995-12-21) and the CIA map Standard Time Zones of the World
*** 2159,2199 ****
# at 02:00 standard time, not at 00:00 local time as in the rest of
# the country. That would be odd, and possibly is a result of their
# correction of 02:00 (in the previous edition) not being done correctly
# in the latest edition; so ignore it for now.
Rule Mongol 1985 1998 - Mar lastSun 0:00 1:00 S
Rule Mongol 1984 1998 - Sep lastSun 0:00 0 -
# IATA SSIM (1999-09) says Mongolia no longer observes DST.
Rule Mongol 2001 only - Apr lastSat 2:00 1:00 S
Rule Mongol 2001 2006 - Sep lastSat 2:00 0 -
Rule Mongol 2002 2006 - Mar lastSat 2:00 1:00 S
! Rule Mongol 2015 max - Mar lastSat 2:00 1:00 S
! Rule Mongol 2015 max - Sep lastSat 0:00 0 -
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
# Hovd, a.k.a. Chovd, Dund-Us, Dzhargalant, Khovd, Jirgalanta
Zone Asia/Hovd 6:06:36 - LMT 1905 Aug
! 6:00 - HOVT 1978 # Hovd Time
! 7:00 Mongol HOV%sT
# Ulaanbaatar, a.k.a. Ulan Bataar, Ulan Bator, Urga
Zone Asia/Ulaanbaatar 7:07:32 - LMT 1905 Aug
! 7:00 - ULAT 1978 # Ulaanbaatar Time
! 8:00 Mongol ULA%sT
# Choibalsan, a.k.a. Bajan Tümen, Bajan Tumen, Chojbalsan,
# Choybalsan, Sanbejse, Tchoibalsan
Zone Asia/Choibalsan 7:38:00 - LMT 1905 Aug
! 7:00 - ULAT 1978
! 8:00 - ULAT 1983 Apr
! 9:00 Mongol CHO%sT 2008 Mar 31 # Choibalsan Time
! 8:00 Mongol CHO%sT
# Nepal
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
Zone Asia/Kathmandu 5:41:16 - LMT 1920
! 5:30 - IST 1986
! 5:45 - NPT # Nepal Time
# Oman
# See Asia/Dubai.
# Pakistan
--- 2158,2202 ----
# at 02:00 standard time, not at 00:00 local time as in the rest of
# the country. That would be odd, and possibly is a result of their
# correction of 02:00 (in the previous edition) not being done correctly
# in the latest edition; so ignore it for now.
+ # From Ganbold Tsagaankhuu (2017-02-09):
+ # Mongolian Government meeting has concluded today to cancel daylight
+ # saving time adoption in Mongolia. Source: http://zasag.mn/news/view/16192
+
Rule Mongol 1985 1998 - Mar lastSun 0:00 1:00 S
Rule Mongol 1984 1998 - Sep lastSun 0:00 0 -
# IATA SSIM (1999-09) says Mongolia no longer observes DST.
Rule Mongol 2001 only - Apr lastSat 2:00 1:00 S
Rule Mongol 2001 2006 - Sep lastSat 2:00 0 -
Rule Mongol 2002 2006 - Mar lastSat 2:00 1:00 S
! Rule Mongol 2015 2016 - Mar lastSat 2:00 1:00 S
! Rule Mongol 2015 2016 - Sep lastSat 0:00 0 -
# Zone NAME GMTOFF 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
Zone Asia/Ulaanbaatar 7:07:32 - LMT 1905 Aug
! 7:00 - +07 1978
! 8:00 Mongol +08/+09
# Choibalsan, a.k.a. Bajan Tümen, Bajan Tumen, Chojbalsan,
# Choybalsan, Sanbejse, Tchoibalsan
Zone Asia/Choibalsan 7:38:00 - LMT 1905 Aug
! 7:00 - +07 1978
! 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 Asia/Kathmandu 5:41:16 - LMT 1920
! 5:30 - +0530 1986
! 5:45 - +0545
# Oman
# See Asia/Dubai.
# Pakistan
*** 2338,2351 ****
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 Asia/Karachi 4:28:12 - LMT 1907
! 5:30 - IST 1942 Sep
! 5:30 1:00 IST 1945 Oct 15
! 5:30 - IST 1951 Sep 30
! 5:00 - KART 1971 Mar 26 # Karachi Time
5:00 Pakistan PK%sT # Pakistan Time
# Palestine
# From Amos Shapir (1998-02-15):
--- 2341,2354 ----
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 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
5:00 Pakistan PK%sT # Pakistan Time
# Palestine
# From Amos Shapir (1998-02-15):
*** 2706,2724 ****
Rule Phil 1978 only - Mar 22 0:00 1:00 S
Rule Phil 1978 only - Sep 21 0:00 0 -
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
Zone Asia/Manila -15:56:00 - LMT 1844 Dec 31
8:04:00 - LMT 1899 May 11
! 8:00 Phil PH%sT 1942 May
! 9:00 - JST 1944 Nov
! 8:00 Phil PH%sT
# Qatar
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
Zone Asia/Qatar 3:26:08 - LMT 1920 # Al Dawhah / Doha
! 4:00 - GST 1972 Jun
! 3:00 - AST
Link Asia/Qatar Asia/Bahrain
# Saudi Arabia
#
# From Paul Eggert (2014-07-15):
--- 2709,2727 ----
Rule Phil 1978 only - Mar 22 0:00 1:00 S
Rule Phil 1978 only - Sep 21 0:00 0 -
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
Zone Asia/Manila -15:56:00 - LMT 1844 Dec 31
8:04:00 - LMT 1899 May 11
! 8:00 Phil +08/+09 1942 May
! 9:00 - +09 1944 Nov
! 8:00 Phil +08/+09
# Qatar
# Zone NAME GMTOFF 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
# Saudi Arabia
#
# From Paul Eggert (2014-07-15):
*** 2741,2768 ****
# time zones; the other zone, at UT +04, was in the far eastern part of
# the country. Ignore this, as it's before our 1970 cutoff.
#
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
Zone Asia/Riyadh 3:06:52 - LMT 1947 Mar 14
! 3:00 - AST
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 Asia/Singapore 6:55:25 - LMT 1901 Jan 1
6:55:25 - SMT 1905 Jun 1 # Singapore M.T.
! 7:00 - MALT 1933 Jan 1 # Malaya Time
! 7:00 0:20 MALST 1936 Jan 1
! 7:20 - MALT 1941 Sep 1
! 7:30 - MALT 1942 Feb 16
! 9:00 - JST 1945 Sep 12
! 7:30 - MALT 1965 Aug 9 # independence
! 7:30 - SGT 1982 Jan 1 # Singapore Time
! 8:00 - SGT
# Spratly Is
# no information
# Sri Lanka
--- 2744,2770 ----
# time zones; the other zone, at UT +04, was in the far eastern part of
# the country. Ignore this, as it's before our 1970 cutoff.
#
# Zone NAME GMTOFF 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 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
! 7:30 - +0730 1942 Feb 16
! 9:00 - +09 1945 Sep 12
! 7:30 - +0730 1982 Jan 1
! 8:00 - +08
# Spratly Is
# no information
# Sri Lanka
*** 2817,2828 ****
# Zone NAME GMTOFF 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 +0530/+06 1942 Sep
! 5:30 1:00 +0530/+0630 1945 Oct 16 2:00
5:30 - +0530 1996 May 25 0:00
6:30 - +0630 1996 Oct 26 0:30
6:00 - +06 2006 Apr 15 0:30
5:30 - +0530
--- 2819,2830 ----
# Zone NAME GMTOFF 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
5:30 - +0530 1996 May 25 0:00
6:30 - +0630 1996 Oct 26 0:30
6:00 - +06 2006 Apr 15 0:30
5:30 - +0530
*** 3000,3010 ****
# Thailand
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
Zone Asia/Bangkok 6:42:04 - LMT 1880
6:42:04 - BMT 1920 Apr # Bangkok Mean Time
! 7:00 - ICT
Link Asia/Bangkok Asia/Phnom_Penh # Cambodia
Link Asia/Bangkok Asia/Vientiane # Laos
# Turkmenistan
# From Shanks & Pottenger.
--- 3002,3012 ----
# Thailand
# Zone NAME GMTOFF 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.
*** 3016,3026 ****
5:00 - +05
# United Arab Emirates
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
Zone Asia/Dubai 3:41:12 - LMT 1920
! 4:00 - GST
Link Asia/Dubai Asia/Muscat # Oman
# Uzbekistan
# Byalokoz 1919 says Uzbekistan was 4:27:53.
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
--- 3018,3028 ----
5:00 - +05
# United Arab Emirates
# Zone NAME GMTOFF 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]
*** 3089,3105 ****
# 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 Asia/Ho_Chi_Minh 7:06:40 - LMT 1906 Jul 1
! 7:06:30 - PLMT 1911 May 1
! 7:00 - ICT 1942 Dec 31 23:00
! 8:00 - IDT 1945 Mar 14 23:00
! 9:00 - JST 1945 Sep 2
! 7:00 - ICT 1947 Apr 1
! 8:00 - IDT 1955 Jul 1
! 7:00 - ICT 1959 Dec 31 23:00
! 8:00 - IDT 1975 Jun 13
! 7:00 - ICT
# Yemen
# See Asia/Riyadh.
--- 3091,3107 ----
# 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 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
! 7:00 - +07 1947 Apr 1
! 8:00 - +08 1955 Jul 1
! 7:00 - +07 1959 Dec 31 23:00
! 8:00 - +08 1975 Jun 13
! 7:00 - +07
# Yemen
# See Asia/Riyadh.
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