diff options
Diffstat (limited to 'asia')
| -rw-r--r-- | asia | 338 |
1 files changed, 163 insertions, 175 deletions
@@ -255,10 +255,7 @@ Zone Indian/Chagos 4:49:40 - LMT 1907 6:00 - +06 # Brunei -# 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 +# See Asia/Kuching. # Burma / Myanmar @@ -276,6 +273,7 @@ Zone Asia/Yangon 6:24:47 - LMT 1880 # or Rangoon 6:30 - +0630 1942 May 9:00 - +09 1945 May 3 6:30 - +0630 +Link Asia/Yangon Indian/Cocos # Cambodia # See Asia/Bangkok. @@ -344,12 +342,9 @@ Rule Shang 1919 only - Sep 30 24:00 0 S # in the city at the time for people who use different time standard to adjust # their clock to their preferred time. # -# a. For the 1940 May 31 spring forward, the essay claim that it was -# coordinared between the international settlement authority and the French -# concession authority and have gathered support from Hong Kong and Xiamen, -# that it would spring forward an hour from May 31 "midnight", and the essay -# claim "Hong Kong government implemented the spring forward in the same time -# on the same date as Shanghai". +# a. For the 1940 May 31 spring forward, the essay [says] ... "Hong +# Kong government implemented the spring forward in the same time on +# the same date as Shanghai". # # b. For the 1940 fall back, it was said that they initially intended to do # so on September 30 00:59 at night, however they postponed it to October 12 @@ -545,7 +540,7 @@ Rule PRC 1987 1991 - Apr Sun>=11 2:00 1:00 D # 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. +# Milne gives 8:05:43.2 for Xujiahui Observatory time.... # 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 @@ -664,6 +659,7 @@ Rule PRC 1987 1991 - Apr Sun>=11 2:00 1:00 D # Zone NAME STDOFF RULES FORMAT [UNTIL] # Beijing time, used throughout China; represented by Shanghai. + #STDOFF 8:05:43.2 Zone Asia/Shanghai 8:05:43 - LMT 1901 8:00 Shang C%sT 1949 May 28 8:00 PRC C%sT @@ -671,11 +667,12 @@ Zone Asia/Shanghai 8:05:43 - LMT 1901 # / Wulumuqi. (Please use Asia/Shanghai if you prefer Beijing time.) Zone Asia/Urumqi 5:50:20 - LMT 1928 6:00 - +06 +Link Asia/Urumqi Antarctica/Vostok # Hong Kong -# Milne gives 7:36:41.7; round this. +# Milne gives 7:36:41.7. # From Lee Yiu Chung (2009-10-24): # I found there are some mistakes for the...DST rule for Hong @@ -859,7 +856,8 @@ Rule HK 1973 only - Dec 30 3:30 1:00 S Rule HK 1979 only - May 13 3:30 1:00 S Rule HK 1979 only - Oct 21 3:30 0 - # Zone NAME STDOFF RULES FORMAT [UNTIL] -Zone Asia/Hong_Kong 7:36:42 - LMT 1904 Oct 30 0:36:42 + #STDOFF 7:36:41.7 +Zone Asia/Hong_Kong 7:36:42 - LMT 1904 Oct 29 17:00u 8:00 - HKT 1941 Jun 15 3:00 8:00 1:00 HKST 1941 Oct 1 4:00 8:00 0:30 HKWT 1941 Dec 25 @@ -1334,7 +1332,7 @@ Zone Asia/Kolkata 5:53:28 - LMT 1854 Jun 28 # Kolkata # # From Paul Eggert (2014-09-06): # The 1876 Report of the Secretary of the [US] Navy, p 306 says that Batavia -# civil time was 7:07:12.5; round to even for Jakarta. +# civil time was 7:07:12.5. # # From Gwillim Law (2001-05-28), overriding Shanks & Pottenger: # http://www.sumatera-inc.com/go_to_invest/about_indonesia.asp#standtime @@ -1370,10 +1368,11 @@ Zone Asia/Kolkata 5:53:28 - LMT 1854 Jun 28 # Kolkata # # Zone NAME STDOFF RULES FORMAT [UNTIL] # Java, Sumatra + #STDOFF 7:07:12.5 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 + 7:07:12 - BMT 1923 Dec 31 16:40u # Batavia 7:20 - +0720 1932 Nov 7:30 - +0730 1942 Mar 23 9:00 - +09 1945 Sep 23 @@ -1405,6 +1404,111 @@ Zone Asia/Jayapura 9:22:48 - LMT 1932 Nov # Iran +# From Roozbeh Pournader (2022-05-30): +# Here's an order from the Cabinet to the rest of the government to switch to +# Tehran time, which is mentioned to be already at +03:30: +# https://qavanin.ir/Law/TreeText/180138 +# Just in case that goes away, I also saved a copy at archive.org: +# https://web.archive.org/web/20220530111940/https://qavanin.ir/Law/TreeText/180138 +# Here's my translation: +# +# "Circular on Matching the Hours of Governmental and Official Circles +# in Provinces +# Approved 1314/03/22 [=1935-06-13] +# According to the ruling of the Honorable Cabinet, it is ordered that from +# now on in all internal provinces of the country, governmental and official +# circles set their time to match Tehran time (three hours and half before +# Greenwich).... +# +# I still haven't found out when Tehran itself switched to +03:30.... +# +# From Paul Eggert (2022-06-05): +# Although the above says Tehran was at +03:30 before 1935-06-13, we don't +# know when it switched to +03:30. For now, use 1935-06-13 as the switch date. +# Although most likely wrong, we have no better info. + +# From Roozbeh Pournader (2022-06-01): +# This is from Kayhan newspaper, one of the major Iranian newspapers, from +# March 20, 1978, page 2: +# +# "Pull the clocks 60 minutes forward +# As we informed before, from the fourth day of the month Farvardin of the +# new year [=1978-03-24], clocks will be pulled forward, and people's daily +# work and life program will start one hour earlier than the current program. +# On the 1st day of the month Farvardin of this year [=1977-03-21], they had +# pulled the clocks forward by one hour, but in the month of Mehr +# [=1977-09-23], the clocks were pulled back by 30 minutes. +# In this way, from the 4th day of the month Farvardin, clocks will be ahead +# of the previous years by one hour and a half. +# According to the new program, during the night of 4th of Farvardin, when +# the midnight, meaning 24 o'clock is announced, the hands of the clock must +# be pulled forward by one hour and thus consider midnight 1 o'clock in the +# forenoon." +# +# This implies that in September 1977, when the daylight savings time was +# done with, Iran didn't go back to +03:30, but immediately to +04:00. +# +# +# This is from the major Iranian newspaper Ettela'at, dated [1978-08-03]..., +# page 32. It looks like they decided to get the clocks back to +4:00 +# just in time for Ramadan that year: +# +# "Tomorrow Night, Pull the Clocks Back by One Hour +# At 1 o'clock in the forenoon of Saturday 14 Mordad [=1978-08-05], the +# clocks will be pulled one hour back and instead of 1 o'clock in the +# forenoon, Radio Iran will announce 24 o'clock. +# This decision was made in the Cabinet of Ministers meeting of 25 Tir +# [=1978-07-16], [...] +# At the beginning of the year 2537 [=March 1978: Iran was using a different +# year number for a few years then, based on the Coronation of Cyrus the +# Great], the country's official time was pulled forward by one hour and now +# the official time is one hour and a half ahead compared to last year, +# because in Farvardin of last year [=March 1977], the official time was +# pulled forward one hour and this continued until the second half of last +# year [=September 1977] until in the second half of last year the official +# time was pulled back half an hour and that half hour still remains." +# +# This matches the time of the true noon published in the newspapers, as they +# clearly go from +05:00 to +04:00 after that date (which happened during a +# long weekend in Iran). + +# From Roozbeh Pournader (2022-05-31): +# [Movahedi S. Cultural preconceptions of time: Can we use operational time +# to meddle in God's Time? Comp Stud Soc Hist. 1985;27(3):385-400] +# https://www.jstor.org/stable/178704 +# Here's the quotes from the paper: +# 1. '"Iran's official time keeper moved the clock one hour forward as from +# March 22, 1977 (Farvardin 2, 2536) to make maximum use of daylight and save +# in energy consumption. Thus Iran joined such other countries as Britain in +# observing what is known as 'daylight saving.' The proposal was originally +# put forward by the Ministry of Energy, in no way having any influence on +# observing religious ceremonies. Moving time one hour forward in summer +# means that at 11:00 o'clock on March 21, the official time was set as +# midnight March 22. Then September 24 will actually begin one hour later +# than the end of September 23 [...]." Iran's time base thus continued to be +# Greenwich Mean Time plus three and one-half hours (plus four and one-half +# hours in summer).' +# +# The article sources this from Iran Almanac and Book of Facts, 1977, Tehran: +# Echo of Iran, which is on Google Books at +# https://www.google.com/books/edition/Iran_Almanac_and_Book_of_Facts/9ybVAAAAMAAJ. +# (I confirmed it by searching for snippets.) +# +# 2. "After the fall of the shah, the revolutionary government returned to +# daylight-saving time (DST) on 26 May 1979." +# +# This seems to have been announced just one day in advance, on 25 May 1979. +# +# The change in 1977 clearly seems to be the first daylight savings effort in +# Iran. But the article doesn't mention what happened in 1978 (which was +# still during the shah's government), or how things continued in 1979 +# onwards (which was during the Islamic Republic). + +# From Francis Santoni (2022-06-01): +# for Iran and 1977 the effective change is only 20 october +# (UIT No. 143 17.XI.1977) and not 23 september (UIT No. 141 13.IX.1977). +# UIT is the Operational Bulletin of International Telecommunication Union. + # From Roozbeh Pournader (2003-03-15): # This is an English translation of what I just found (originally in Persian). # The Gregorian dates in brackets are mine: @@ -1439,65 +1543,12 @@ Zone Asia/Jayapura 9:22:48 - LMT 1932 Nov # leap year calculation involved. There has never been any serious # plan to change that law.... # -# 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 astronomical Persian calendar -# for Persian years 1404 (Gregorian 2025) and 1437 (Gregorian 2058), so -# 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 -# stops in 2087, as 2088 and 2089 agree with the "max" rule below. -# (cl-loop -# initially (require 'cal-persia) -# with first-persian-year = 1387 -# with last-persian-year = 1466 -# ;; Exceptional years in the above range, -# ;; from Reingold & Dershowitz Table 15.1, page 264: -# with exceptional-persian-years = '(1404 1437) -# with range-start = nil -# for persian-year from first-persian-year to last-persian-year -# do -# (let* -# ((exceptional-year-offset -# (if (member persian-year exceptional-persian-years) 1 0)) -# (beg-dst-absolute -# (+ (calendar-persian-to-absolute (list 1 1 persian-year)) -# exceptional-year-offset)) -# (end-dst-absolute -# (+ (calendar-persian-to-absolute (list 6 30 persian-year)) -# exceptional-year-offset)) -# (next-year-beg-dst-absolute -# (+ (calendar-persian-to-absolute (list 1 1 (1+ persian-year))) -# (if (member (1+ persian-year) exceptional-persian-years) 1 0))) -# (beg-dst (calendar-gregorian-from-absolute beg-dst-absolute)) -# (end-dst (calendar-gregorian-from-absolute end-dst-absolute)) -# (next-year-beg-dst (calendar-gregorian-from-absolute -# next-year-beg-dst-absolute)) -# (year (calendar-extract-year beg-dst)) -# (range-end (if range-start year "only"))) -# (setq range-start (or range-start year)) -# (when (or (/= (calendar-extract-day beg-dst) -# (calendar-extract-day next-year-beg-dst)) -# (= persian-year last-persian-year)) -# (insert -# (format -# "Rule\tIran\t%d\t%s\t-\t%s\t%2d\t24:00\t1:00\t-\n" -# range-start range-end -# (calendar-month-name (calendar-extract-month beg-dst) t) -# (calendar-extract-day beg-dst))) -# (insert -# (format -# "Rule\tIran\t%d\t%s\t-\t%s\t%2d\t24:00\t0\t-\n" -# range-start range-end -# (calendar-month-name (calendar-extract-month end-dst) t) -# (calendar-extract-day end-dst))) -# (setq range-start nil)))) +# From Paul Eggert (2022-06-30): +# Go with Pournader for 1935 through spring 1979, and for timestamps +# after August 1991; go with with Shanks & Pottenger for other timestamps. +# Go with Santoni's citation of the UIT for fall 1977, as 20 October 1977 +# is 28 Mehr 1356, consistent with the "Mehr" in Pournader's source. +# Assume that the UIT's "1930" is UTC, i.e., 24:00 local time. # # From Oscar van Vlijmen (2005-03-30), writing about future # discrepancies between cal-persia and the Iranian calendar: @@ -1531,10 +1582,23 @@ Zone Asia/Jayapura 9:22:48 - LMT 1932 Nov # be changed back to its previous state on the 24 hours of the # thirtieth day of Shahrivar. # +# From Ali Mirjamali (2022-05-10): +# Official IR News Agency announcement: irna.ir/xjJ3TT +# ... +# Highlights: DST will be cancelled for the next Iranian year 1402 +# (i.e 2023-March-21) and forthcoming years. +# # Rule NAME FROM TO - IN ON AT SAVE LETTER/S -Rule Iran 1978 1980 - Mar 20 24:00 1:00 - -Rule Iran 1978 only - Oct 20 24:00 0 - +# Work around a bug in zic 2022a and earlier. +Rule Iran 1910 only - Jan 1 00:00 0 - +# +Rule Iran 1977 only - Mar 21 23:00 1:00 - +Rule Iran 1977 only - Oct 20 24:00 0 - +Rule Iran 1978 only - Mar 24 24:00 1:00 - +Rule Iran 1978 only - Aug 5 01:00 0 - +Rule Iran 1979 only - May 26 24:00 1:00 - Rule Iran 1979 only - Sep 18 24:00 0 - +Rule Iran 1980 only - Mar 20 24:00 1:00 - Rule Iran 1980 only - Sep 22 24:00 0 - Rule Iran 1991 only - May 2 24:00 1:00 - Rule Iran 1992 1995 - Mar 21 24:00 1:00 - @@ -1565,85 +1629,13 @@ Rule Iran 2017 2019 - Mar 21 24:00 1:00 - Rule Iran 2017 2019 - Sep 21 24:00 0 - Rule Iran 2020 only - Mar 20 24:00 1:00 - Rule Iran 2020 only - Sep 20 24:00 0 - -Rule Iran 2021 2023 - Mar 21 24:00 1:00 - -Rule Iran 2021 2023 - Sep 21 24:00 0 - -Rule Iran 2024 only - Mar 20 24:00 1:00 - -Rule Iran 2024 only - Sep 20 24:00 0 - -Rule Iran 2025 2027 - Mar 21 24:00 1:00 - -Rule Iran 2025 2027 - Sep 21 24:00 0 - -Rule Iran 2028 2029 - Mar 20 24:00 1:00 - -Rule Iran 2028 2029 - Sep 20 24:00 0 - -Rule Iran 2030 2031 - Mar 21 24:00 1:00 - -Rule Iran 2030 2031 - Sep 21 24:00 0 - -Rule Iran 2032 2033 - Mar 20 24:00 1:00 - -Rule Iran 2032 2033 - Sep 20 24:00 0 - -Rule Iran 2034 2035 - Mar 21 24:00 1:00 - -Rule Iran 2034 2035 - Sep 21 24:00 0 - -Rule Iran 2036 2037 - Mar 20 24:00 1:00 - -Rule Iran 2036 2037 - Sep 20 24:00 0 - -Rule Iran 2038 2039 - Mar 21 24:00 1:00 - -Rule Iran 2038 2039 - Sep 21 24:00 0 - -Rule Iran 2040 2041 - Mar 20 24:00 1:00 - -Rule Iran 2040 2041 - Sep 20 24:00 0 - -Rule Iran 2042 2043 - Mar 21 24:00 1:00 - -Rule Iran 2042 2043 - Sep 21 24:00 0 - -Rule Iran 2044 2045 - Mar 20 24:00 1:00 - -Rule Iran 2044 2045 - Sep 20 24:00 0 - -Rule Iran 2046 2047 - Mar 21 24:00 1:00 - -Rule Iran 2046 2047 - Sep 21 24:00 0 - -Rule Iran 2048 2049 - Mar 20 24:00 1:00 - -Rule Iran 2048 2049 - Sep 20 24:00 0 - -Rule Iran 2050 2051 - Mar 21 24:00 1:00 - -Rule Iran 2050 2051 - Sep 21 24:00 0 - -Rule Iran 2052 2053 - Mar 20 24:00 1:00 - -Rule Iran 2052 2053 - Sep 20 24:00 0 - -Rule Iran 2054 2055 - Mar 21 24:00 1:00 - -Rule Iran 2054 2055 - Sep 21 24:00 0 - -Rule Iran 2056 2057 - Mar 20 24:00 1:00 - -Rule Iran 2056 2057 - Sep 20 24:00 0 - -Rule Iran 2058 2059 - Mar 21 24:00 1:00 - -Rule Iran 2058 2059 - Sep 21 24:00 0 - -Rule Iran 2060 2062 - Mar 20 24:00 1:00 - -Rule Iran 2060 2062 - Sep 20 24:00 0 - -Rule Iran 2063 only - Mar 21 24:00 1:00 - -Rule Iran 2063 only - Sep 21 24:00 0 - -Rule Iran 2064 2066 - Mar 20 24:00 1:00 - -Rule Iran 2064 2066 - Sep 20 24:00 0 - -Rule Iran 2067 only - Mar 21 24:00 1:00 - -Rule Iran 2067 only - Sep 21 24:00 0 - -Rule Iran 2068 2070 - Mar 20 24:00 1:00 - -Rule Iran 2068 2070 - Sep 20 24:00 0 - -Rule Iran 2071 only - Mar 21 24:00 1:00 - -Rule Iran 2071 only - Sep 21 24:00 0 - -Rule Iran 2072 2074 - Mar 20 24:00 1:00 - -Rule Iran 2072 2074 - Sep 20 24:00 0 - -Rule Iran 2075 only - Mar 21 24:00 1:00 - -Rule Iran 2075 only - Sep 21 24:00 0 - -Rule Iran 2076 2078 - Mar 20 24:00 1:00 - -Rule Iran 2076 2078 - Sep 20 24:00 0 - -Rule Iran 2079 only - Mar 21 24:00 1:00 - -Rule Iran 2079 only - Sep 21 24:00 0 - -Rule Iran 2080 2082 - Mar 20 24:00 1:00 - -Rule Iran 2080 2082 - Sep 20 24:00 0 - -Rule Iran 2083 only - Mar 21 24:00 1:00 - -Rule Iran 2083 only - Sep 21 24:00 0 - -Rule Iran 2084 2086 - Mar 20 24:00 1:00 - -Rule Iran 2084 2086 - Sep 20 24:00 0 - -Rule Iran 2087 only - Mar 21 24:00 1:00 - -Rule Iran 2087 only - Sep 21 24:00 0 - -# -# The following rules are approximations starting in the year 2088. -# These are the best post-2088 approximations available, given the -# restrictions of a single rule using ordinary Gregorian dates. -# 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 - +Rule Iran 2021 2022 - Mar 21 24:00 1:00 - +Rule Iran 2021 2022 - Sep 21 24:00 0 - # 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 + 3:25:44 - TMT 1935 Jun 13 # Tehran Mean Time + 3:30 Iran +0330/+0430 1977 Oct 20 24:00 4:00 Iran +04/+05 1979 3:30 Iran +0330/+0430 @@ -2465,9 +2457,9 @@ Zone Asia/Amman 2:23:44 - LMT 1931 # the third time belt (before 1930 this means +03). # 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). +# (Asia/Qyzylorda) is changing its time zone from UTC+6 to UTC+5 +# effective December 21st, 2018.... +# http://adilet.zan.kz/rus/docs/P1800000817 (russian language). # Zone NAME STDOFF RULES FORMAT [UNTIL] # @@ -2744,20 +2736,8 @@ Zone Asia/Beirut 2:22:00 - LMT 1880 Rule NBorneo 1935 1941 - Sep 14 0:00 0:20 - Rule NBorneo 1935 1941 - Dec 14 0:00 0 - # -# peninsular Malaysia -# taken from Mok Ly Yng (2003-10-30) -# https://web.archive.org/web/20190822231045/http://www.math.nus.edu.sg/~mathelmr/teaching/timezone.html -# This agrees with Singapore since 1905-06-01. -# 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 - 7:30 - +0730 1942 Feb 16 - 9:00 - +09 1945 Sep 12 - 7:30 - +0730 1982 Jan 1 - 8:00 - +08 +# For peninsular Malaysia see Asia/Singapore. +# # Sabah & Sarawak # From Paul Eggert (2014-08-12): # The data entries here are mostly from Shanks & Pottenger, but the 1942, 1945 @@ -2768,12 +2748,14 @@ Zone Asia/Kuching 7:21:20 - LMT 1926 Mar 8:00 NBorneo +08/+0820 1942 Feb 16 9:00 - +09 1945 Sep 12 8:00 - +08 +Link Asia/Kuching Asia/Brunei # Maldives # 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 +Link Indian/Maldives Indian/Kerguelen # Mongolia @@ -3608,6 +3590,7 @@ Zone Asia/Singapore 6:55:25 - LMT 1901 Jan 1 9:00 - +09 1945 Sep 12 7:30 - +0730 1982 Jan 1 8:00 - +08 +Link Asia/Singapore Asia/Kuala_Lumpur # Spratly Is # no information @@ -3842,7 +3825,7 @@ Zone Asia/Damascus 2:25:12 - LMT 1920 # Dimashq 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 1:00 +06 1991 Sep 9 2:00s 5:00 - +05 # Thailand @@ -3852,6 +3835,7 @@ Zone Asia/Bangkok 6:42:04 - LMT 1880 7:00 - +07 Link Asia/Bangkok Asia/Phnom_Penh # Cambodia Link Asia/Bangkok Asia/Vientiane # Laos +Link Asia/Bangkok Indian/Christmas # Turkmenistan # From Shanks & Pottenger. @@ -3867,6 +3851,8 @@ Zone Asia/Ashgabat 3:53:32 - LMT 1924 May 2 # or Ashkhabad Zone Asia/Dubai 3:41:12 - LMT 1920 4:00 - +04 Link Asia/Dubai Asia/Muscat # Oman +Link Asia/Dubai Indian/Mahe +Link Asia/Dubai Indian/Reunion # Uzbekistan # Byalokoz 1919 says Uzbekistan was 4:27:53. @@ -3878,7 +3864,8 @@ Zone Asia/Samarkand 4:27:53 - LMT 1924 May 2 6:00 - +06 1982 Apr 1 5:00 RussiaAsia +05/+06 1992 5:00 - +05 -# Milne says Tashkent was 4:37:10.8; round to nearest. +# Milne says Tashkent was 4:37:10.8. + #STDOFF 4:37:10.8 Zone Asia/Tashkent 4:37:11 - LMT 1924 May 2 5:00 - +05 1930 Jun 21 6:00 RussiaAsia +06/+07 1991 Mar 31 2:00 @@ -3897,7 +3884,7 @@ Zone Asia/Tashkent 4:37:11 - LMT 1924 May 2 # The English-language name of Vietnam's most populous city is "Ho Chi Minh # City"; use Ho_Chi_Minh below to avoid a name of more than 14 characters. -# From Paul Eggert (2014-10-21) after a heads-up from Trần Ngọc Quân: +# From Paul Eggert (2022-07-27) after a 2014 heads-up from Trần Ngọc Quân: # Trần Tiến Bình's authoritative book "Lịch Việt Nam: thế kỷ XX-XXI (1901-2100)" # (Nhà xuất bản Văn Hoá - Thông Tin, Hanoi, 2005), pp 49-50, # is quoted verbatim in: @@ -3909,8 +3896,8 @@ Zone Asia/Tashkent 4:37:11 - LMT 1924 May 2 # The 1906 transition was effective July 1 and standardized Indochina to # Phù Liễn Observatory, legally 104° 17' 17" east of Paris. # It's unclear whether this meant legal Paris Mean Time (00:09:21) or -# the Paris Meridian (2° 20' 14.03" E); the former yields 07:06:30.1333... -# and the latter 07:06:29.333... so either way it rounds to 07:06:30, +# the Paris Meridian; for now guess the former and round the exact +# 07:06:30.1333... to 07:06:30.13 as the legal spec used 66 2/3 ms precision. # which is used below even though the modern-day Phù Liễn Observatory # is closer to 07:06:31. Abbreviate Phù Liễn Mean Time as PLMT. # @@ -3937,7 +3924,8 @@ Zone Asia/Tashkent 4:37:11 - LMT 1924 May 2 # NXB Thuận Hoá, Huế, 1995. # Zone NAME STDOFF RULES FORMAT [UNTIL] -Zone Asia/Ho_Chi_Minh 7:06:40 - LMT 1906 Jul 1 + #STDOFF 7:06:30.13 +Zone Asia/Ho_Chi_Minh 7:06:30 - 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 |