From 35fa37fbbb152f5dbed4fd5edfdc968e3584fe12 Mon Sep 17 00:00:00 2001 From: Paul Eggert Date: Wed, 3 Aug 2022 12:42:29 -0700 Subject: [PROPOSED 2/2] Finish duplicate-since-1970 moves MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Finish moving to ‘backzone’ location-based zones whose timestamps since 1970 are duplicates; adjust links accordingly. As usual, this change affects only pre-1970 timestamps. In this round the affected zones are Antarctica/Vostok, Asia/Brunei, Asia/Kuala_Lumpur, Atlantic/Reykjavik, Europe/Amsterdam, Europe/Copenhagen, Europe/Luxembourg, Europe/Monaco, Europe/Oslo, Europe/Stockholm, Indian/Christmas, Indian/Cocos, Indian/Kerguelen, Indian/Mahe, Indian/Reunion, Pacific/Chuuk, Pacific/Funafuti, Pacific/Majuro, Pacific/Pohnpei, Pacific/Wake and Pacific/Wallis, and the affected links are Arctic/Longyearbyen, Atlantic/Jan_Mayen, Iceland, Pacific/Ponape, Pacific/Truk, and Pacific/Yap. --- NEWS | 12 ++-- africa | 39 +---------- antarctica | 4 +- asia | 5 ++ australasia | 86 +++++------------------- backward | 6 +- backzone | 182 +++++++++++++++++++++++++++++++++++++++++++++++++++ europe | 100 +++++++--------------------- zone1970.tab | 28 +++----- 9 files changed, 252 insertions(+), 210 deletions(-) diff --git a/NEWS b/NEWS index 6c4d1046..9e7a7d03 100644 --- a/NEWS +++ b/NEWS @@ -7,7 +7,7 @@ Unreleased, experimental changes Rename Europe/Kiev to Europe/Kyiv. New zic -R option Vanguard form now uses %z. - Move nine more duplicate-since-1970 zones to 'backzone'. + Finish moving duplicate-since-1970 zones to 'backzone'. New build option PACKRATLIST New tailored_tarballs target, replacing rearguard_tarballs @@ -18,15 +18,19 @@ Unreleased, experimental changes Changes to past timestamps - Continue moving to 'backzone' location-based zones whose + Finish moving to 'backzone' the location-based zones whose timestamps since 1970 are duplicates; adjust links accordingly. This change ordinarily affects only pre-1970 timestamps, and with the new PACKRATLIST option it does not affect any timestamps. In this round the affected zones are Antarctica/Vostok, Asia/Brunei, Asia/Kuala_Lumpur, Atlantic/Reykjavik, Europe/Amsterdam, Europe/Copenhagen, Europe/Luxembourg, - Europe/Monaco, Europe/Oslo, and the affected links are - Arctic/Longyearbyen, Atlantic/Jan_Mayen, and Iceland. + Europe/Monaco, Europe/Oslo, Europe/Stockholm, Indian/Christmas, + Indian/Cocos, Indian/Kerguelen, Indian/Mahe, Indian/Reunion, + Pacific/Chuuk, Pacific/Funafuti, Pacific/Majuro, Pacific/Pohnpei, + Pacific/Wake and Pacific/Wallis, and the affected links are + Arctic/Longyearbyen, Atlantic/Jan_Mayen, Iceland, Pacific/Ponape, + Pacific/Truk, and Pacific/Yap. From fall 1994 through fall 1995, Shanks wrote that Crimea's DST transitions were at 02:00 standard time, not at 00:00. diff --git a/africa b/africa index 0eb74189..7cbd6b0e 100644 --- a/africa +++ b/africa @@ -1312,21 +1312,9 @@ Link Africa/Lagos Africa/Niamey # Niger Link Africa/Lagos Africa/Porto-Novo # Benin # Réunion -# Zone NAME STDOFF RULES FORMAT [UNTIL] -Zone Indian/Reunion 3:41:52 - LMT 1911 Jun # Saint-Denis - 4:00 - +04 -# -# Scattered Islands (Îles Éparses) administered from Réunion are as follows. -# The following information about them is taken from -# Îles Éparses (, 1997-07-22, -# in French; no longer available as of 1999-08-17). -# We have no info about their time zone histories. +# See Asia/Dubai. # -# Bassas da India - uninhabited -# Europa Island - inhabited from 1905 to 1910 by two families -# Glorioso Is - inhabited until at least 1958 -# Juan de Nova - uninhabited -# Tromelin - inhabited until at least 1958 +# The Crozet Islands also observe Réunion time; see the 'antarctica' file. # Rwanda # See Africa/Maputo. @@ -1371,28 +1359,7 @@ Zone Africa/Sao_Tome 0:26:56 - LMT 1884 # See Africa/Abidjan. # Seychelles - -# From P Chan (2020-11-27): -# Standard Time was adopted on 1907-01-01. -# -# Standard Time Ordinance (Chapter 237) -# The Laws of Seychelles in Force on the 31st December, 1971, Vol. 6, p 571 -# https://books.google.com/books?id=efE-AQAAIAAJ&pg=PA571 -# -# From Tim Parenti (2020-12-05): -# A footnote on https://books.google.com/books?id=DYdDAQAAMAAJ&pg=PA1689 -# confirms that Ordinance No. 9 of 1906 "was brought into force on the 1st -# January, 1907." - -# Zone NAME STDOFF RULES FORMAT [UNTIL] -Zone Indian/Mahe 3:41:48 - LMT 1907 Jan 1 # Victoria - 4:00 - +04 -# From Paul Eggert (2001-05-30): -# Aldabra, Farquhar, and Desroches, originally dependencies of the -# Seychelles, were transferred to the British Indian Ocean Territory -# in 1965 and returned to Seychelles control in 1976. We don't know -# whether this affected their time zone, so omit this for now. -# Possibly the islands were uninhabited. +# See Asia/Dubai. # Sierra Leone # See Africa/Abidjan. diff --git a/antarctica b/antarctica index 4531bc96..dbdf2093 100644 --- a/antarctica +++ b/antarctica @@ -157,9 +157,7 @@ Zone Antarctica/Mawson 0 - -00 1954 Feb 13 # St Paul Island - near Amsterdam, uninhabited # fishing stations operated variously 1819/1931 # -# Zone NAME STDOFF RULES FORMAT [UNTIL] -Zone Indian/Kerguelen 0 - -00 1950 # Port-aux-Français - 5:00 - +05 +# Kerguelen - see Indian/Maldives. # # year-round base in the main continent # Dumont d'Urville - see Pacific/Port_Moresby. diff --git a/asia b/asia index 214e6c9f..def9b204 100644 --- a/asia +++ b/asia @@ -273,6 +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. @@ -2754,6 +2755,7 @@ Link Asia/Kuching Asia/Brunei 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 @@ -3833,6 +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. @@ -3848,6 +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. diff --git a/australasia b/australasia index 29aa9fad..d6d11718 100644 --- a/australasia +++ b/australasia @@ -252,16 +252,10 @@ Zone Antarctica/Macquarie 0 - -00 1899 Nov 10:00 AT AE%sT # Christmas -# Zone NAME STDOFF RULES FORMAT [UNTIL] -Zone Indian/Christmas 7:02:52 - LMT 1895 Feb - 7:00 - +07 +# See Asia/Bangkok. # Cocos (Keeling) Is -# These islands were ruled by the Ross family from about 1830 to 1978. -# We don't know when standard time was introduced; for now, we guess 1900. -# Zone NAME STDOFF RULES FORMAT [UNTIL] -Zone Indian/Cocos 6:27:40 - LMT 1900 - 6:30 - +0630 +# See Asia/Yangon. # Fiji @@ -478,6 +472,11 @@ Link Pacific/Guam Pacific/Saipan # N Mariana Is # Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Pacific/Tarawa 11:32:04 - LMT 1901 # Bairiki 12:00 - +12 +Link Pacific/Tarawa Pacific/Funafuti +Link Pacific/Tarawa Pacific/Majuro +Link Pacific/Tarawa Pacific/Wake +Link Pacific/Tarawa Pacific/Wallis + Zone Pacific/Kanton 0 - -00 1937 Aug 31 -12:00 - -12 1979 Oct -11:00 - -11 1994 Dec 31 @@ -491,15 +490,8 @@ Zone Pacific/Kiritimati -10:29:20 - LMT 1901 # See Pacific/Guam. # Marshall Is +# See Pacific/Tarawa for most locations. # Zone NAME STDOFF RULES FORMAT [UNTIL] -Zone Pacific/Majuro 11:24:48 - LMT 1901 - 11:00 - +11 1914 Oct - 9:00 - +09 1919 Feb 1 - 11:00 - +11 1937 - 10:00 - +10 1941 Apr 1 - 9:00 - +09 1944 Jan 30 - 11:00 - +11 1969 Oct - 12:00 - +12 Zone Pacific/Kwajalein 11:09:20 - LMT 1901 11:00 - +11 1937 10:00 - +10 1941 Apr 1 @@ -509,22 +501,9 @@ Zone Pacific/Kwajalein 11:09:20 - LMT 1901 12:00 - +12 # Micronesia +# For Chuuk and Yap see Pacific/Port_Moresby. +# For Pohnpei see Pacific/Guadalcanal. # Zone NAME STDOFF RULES FORMAT [UNTIL] -Zone Pacific/Chuuk -13:52:52 - LMT 1844 Dec 31 - 10:07:08 - LMT 1901 - 10:00 - +10 1914 Oct - 9:00 - +09 1919 Feb 1 - 10:00 - +10 1941 Apr 1 - 9:00 - +09 1945 Aug - 10:00 - +10 -Zone Pacific/Pohnpei -13:27:08 - LMT 1844 Dec 31 # Kolonia - 10:32:52 - LMT 1901 - 11:00 - +11 1914 Oct - 9:00 - +09 1919 Feb 1 - 11:00 - +11 1937 - 10:00 - +10 1941 Apr 1 - 9:00 - +09 1945 Aug - 11:00 - +11 Zone Pacific/Kosrae -13:08:04 - LMT 1844 Dec 31 10:51:56 - LMT 1901 11:00 - +11 1914 Oct @@ -594,12 +573,12 @@ Rule Chatham 2008 max - Apr Sun>=1 2:45s 0 - Zone Pacific/Auckland 11:39:04 - LMT 1868 Nov 2 11:30 NZ NZ%sT 1946 Jan 1 12:00 NZ NZ%sT +Link Pacific/Auckland Antarctica/McMurdo + Zone Pacific/Chatham 12:13:48 - LMT 1868 Nov 2 12:15 - +1215 1946 Jan 1 12:45 Chatham +1245/+1345 -Link Pacific/Auckland Antarctica/McMurdo - # Auckland Is # uninhabited; Māori and Moriori, colonial settlers, pastoralists, sealers, # and scientific personnel have wintered @@ -694,6 +673,7 @@ Zone Pacific/Port_Moresby 9:48:40 - LMT 1880 9:48:32 - PMMT 1895 # Port Moresby Mean Time 10:00 - +10 Link Pacific/Port_Moresby Antarctica/DumontDUrville +Link Pacific/Port_Moresby Pacific/Chuuk # # From Paul Eggert (2014-10-13): # Base the Bougainville entry on the Arawa-Kieta region, which appears to have @@ -821,6 +801,7 @@ Zone Pacific/Apia 12:33:04 - LMT 1892 Jul 5 # Zone NAME STDOFF RULES FORMAT [UNTIL] Zone Pacific/Guadalcanal 10:39:48 - LMT 1912 Oct # Honiara 11:00 - +11 +Link Pacific/Guadalcanal Pacific/Pohnpei # Tokelau # @@ -861,9 +842,7 @@ Zone Pacific/Tongatapu 12:19:12 - LMT 1945 Sep 10 13:00 Tonga +13/+14 # Tuvalu -# Zone NAME STDOFF RULES FORMAT [UNTIL] -Zone Pacific/Funafuti 11:56:52 - LMT 1901 - 12:00 - +12 +# See Pacific/Tarawa. # US minor outlying islands @@ -922,9 +901,7 @@ Zone Pacific/Funafuti 11:56:52 - LMT 1901 # uninhabited since World War II; was probably like Pacific/Kiritimati # Wake -# Zone NAME STDOFF RULES FORMAT [UNTIL] -Zone Pacific/Wake 11:06:28 - LMT 1901 - 12:00 - +12 +# See Pacific/Tarawa. # Vanuatu @@ -963,9 +940,7 @@ Zone Pacific/Efate 11:13:16 - LMT 1912 Jan 13 # Vila 11:00 Vanuatu +11/+12 # Wallis and Futuna -# Zone NAME STDOFF RULES FORMAT [UNTIL] -Zone Pacific/Wallis 12:15:20 - LMT 1901 - 12:00 - +12 +# See Pacific/Tarawa. ############################################################################### @@ -1879,13 +1854,6 @@ Zone Pacific/Wallis 12:15:20 - LMT 1901 # Like the Ladrones (see Guam commentary), assume the Spanish East Indies # kept American time until the Philippines switched at the end of 1844. -# Alan Eugene Davis writes (1996-03-16), -# "I am certain, having lived there for the past decade, that 'Truk' -# (now properly known as Chuuk) ... is in the time zone GMT+10." -# -# Shanks & Pottenger write that Truk switched from UT +10 to +11 -# on 1978-10-01; ignore this for now. - # From Paul Eggert (1999-10-29): # The Federated States of Micronesia Visitors Board writes in # The Federated States of Micronesia - Visitor Information (1999-01-26) @@ -2224,26 +2192,6 @@ Zone Pacific/Wallis 12:15:20 - LMT 1901 # For now, guess that DST is discontinued. That's what the IATA is guessing. -# Wake - -# From Vernice Anderson, Personal Secretary to Philip Jessup, -# US Ambassador At Large (oral history interview, 1971-02-02): -# -# Saturday, the 14th [of October, 1950] - ... The time was all the -# more confusing at that point, because we had crossed the -# International Date Line, thus getting two Sundays. Furthermore, we -# discovered that Wake Island had two hours of daylight saving time -# making calculation of time in Washington difficult if not almost -# impossible. -# -# https://www.trumanlibrary.org/oralhist/andrsonv.htm - -# From Paul Eggert (2003-03-23): -# We have no other report of DST in Wake Island, so omit this info for now. - -# See also the commentary for Micronesia. - - ############################################################################### # The International Date Line diff --git a/backward b/backward index 7943762f..e162eebc 100644 --- a/backward +++ b/backward @@ -113,10 +113,10 @@ Link America/Denver Navajo Link Asia/Shanghai PRC Link Pacific/Kanton Pacific/Enderbury Link Pacific/Honolulu Pacific/Johnston -Link Pacific/Pohnpei Pacific/Ponape +Link Pacific/Guadalcanal Pacific/Ponape Link Pacific/Pago_Pago Pacific/Samoa -Link Pacific/Chuuk Pacific/Truk -Link Pacific/Chuuk Pacific/Yap +Link Pacific/Port_Moresby Pacific/Truk +Link Pacific/Port_Moresby Pacific/Yap Link Europe/Warsaw Poland Link Europe/Lisbon Portugal Link Asia/Taipei ROC diff --git a/backzone b/backzone index 1f940782..e2e124fd 100644 --- a/backzone +++ b/backzone @@ -1412,6 +1412,62 @@ Zone Europe/Skopje 1:25:44 - LMT 1884 1:00 EU CE%sT +# Sweden + +# From Ivan Nilsson (2001-04-13), superseding Shanks & Pottenger: +# +# The law "Svensk författningssamling 1878, no 14" about standard time in 1879: +# From the beginning of 1879 (that is 01-01 00:00) the time for all +# places in the country is "the mean solar time for the meridian at +# three degrees, or twelve minutes of time, to the west of the +# meridian of the Observatory of Stockholm". The law is dated 1878-05-31. +# +# The observatory at that time had the meridian 18° 03' 30" +# eastern longitude = 01:12:14 in time. Less 12 minutes gives the +# national standard time as 01:00:14 ahead of GMT.... +# +# About the beginning of CET in Sweden. The lawtext ("Svensk +# författningssamling 1899, no 44") states, that "from the beginning +# of 1900... ... the same as the mean solar time for the meridian at +# the distance of one hour of time from the meridian of the English +# observatory at Greenwich, or at 12 minutes 14 seconds to the west +# from the meridian of the Observatory of Stockholm". The law is dated +# 1899-06-16. In short: At 1900-01-01 00:00:00 the new standard time +# in Sweden is 01:00:00 ahead of GMT. +# +# 1916: The lawtext ("Svensk författningssamling 1916, no 124") states +# that "1916-05-15 is considered to begin one hour earlier". It is +# pretty obvious that at 05-14 23:00 the clocks are set to 05-15 00:00.... +# Further the law says, that "1916-09-30 is considered to end one hour later". +# +# The laws regulating [DST] are available on the site of the Swedish +# Parliament beginning with 1985 - the laws regulating 1980/1984 are +# not available on the site (to my knowledge they are only available +# in Swedish): (type +# "sommartid" without the quotes in the field "Fritext" and then click +# the Sök-button). +# +# (2001-05-13): +# +# I have now found a newspaper stating that at 1916-10-01 01:00 +# summertime the church-clocks etc were set back one hour to show +# 1916-10-01 00:00 standard time. The article also reports that some +# people thought the switch to standard time would take place already +# at 1916-10-01 00:00 summer time, but they had to wait for another +# hour before the event took place. +# +# Source: The newspaper "Dagens Nyheter", 1916-10-01, page 7 upper left. + +# An extra-special abbreviation style is SET for Swedish Time (svensk +# normaltid) 1879-1899, 3° west of the Stockholm Observatory. + +Zone Europe/Stockholm 1:12:12 - LMT 1879 Jan 1 + 1:00:14 - SET 1900 Jan 1 # Swedish Time + 1:00 - CET 1916 May 14 23:00 + 1:00 1:00 CEST 1916 Oct 1 1:00 + 1:00 - CET 1980 + 1:00 EU CE%sT + # Moldova / Transnistria Zone Europe/Tiraspol 1:58:32 - LMT 1880 @@ -1452,14 +1508,87 @@ Zone Indian/Antananarivo 3:10:04 - LMT 1911 Jul 3:00 1:00 EAST 1954 May 29 23:00s 3:00 - EAT +# Christmas +Zone Indian/Christmas 7:02:52 - LMT 1895 Feb + 7:00 - +07 + +# Cocos (Keeling) Is +# These islands were ruled by the Ross family from about 1830 to 1978. +# We don't know when standard time was introduced; for now, we guess 1900. +Zone Indian/Cocos 6:27:40 - LMT 1900 + 6:30 - +0630 + # Comoros Zone Indian/Comoro 2:53:04 - LMT 1911 Jul # Moroni, Gran Comoro 3:00 - EAT +# Kerguelen +Zone Indian/Kerguelen 0 - -00 1950 # Port-aux-Français + 5:00 - +05 + +# Seychelles +# +# From P Chan (2020-11-27): +# Standard Time was adopted on 1907-01-01. +# +# Standard Time Ordinance (Chapter 237) +# The Laws of Seychelles in Force on the 31st December, 1971, Vol. 6, p 571 +# https://books.google.com/books?id=efE-AQAAIAAJ&pg=PA571 +# +# From Tim Parenti (2020-12-05): +# A footnote on https://books.google.com/books?id=DYdDAQAAMAAJ&pg=PA1689 +# confirms that Ordinance No. 9 of 1906 "was brought into force on the 1st +# January, 1907." + +Zone Indian/Mahe 3:41:48 - LMT 1907 Jan 1 # Victoria + 4:00 - +04 +# From Paul Eggert (2001-05-30): +# Aldabra, Farquhar, and Desroches, originally dependencies of the +# Seychelles, were transferred to the British Indian Ocean Territory +# in 1965 and returned to Seychelles control in 1976. We don't know +# whether this affected their time zone, so omit this for now. +# Possibly the islands were uninhabited. + + # Mayotte Zone Indian/Mayotte 3:00:56 - LMT 1911 Jul # Mamoutzou 3:00 - EAT +# Réunion +Zone Indian/Reunion 3:41:52 - LMT 1911 Jun # Saint-Denis + 4:00 - +04 +# +# Scattered Islands (Îles Éparses) administered from Réunion are as follows. +# The following information about them is taken from +# Îles Éparses (, 1997-07-22, +# in French; no longer available as of 1999-08-17). +# We have no info about their time zone histories. +# +# Bassas da India - uninhabited +# Europa Island - inhabited from 1905 to 1910 by two families +# Glorioso Is - inhabited until at least 1958 +# Juan de Nova - uninhabited +# Tromelin - inhabited until at least 1958 + +# Micronesia +# Also see Pacific/Pohnpei and commentary for Micronesia in 'australasia'. +# +# From Paul Eggert (2018-11-18): +# Alan Eugene Davis writes (1996-03-16), +# "I am certain, having lived there for the past decade, that 'Truk' +# (now properly known as Chuuk) ... is in the time zone GMT+10." +# Shanks & Pottenger write that Truk switched from UT +10 to +11 +# on 1978-10-01; ignore this for now. +Zone Pacific/Chuuk -13:52:52 - LMT 1844 Dec 31 + 10:07:08 - LMT 1901 + 10:00 - +10 1914 Oct + 9:00 - +09 1919 Feb 1 + 10:00 - +10 1941 Apr 1 + 9:00 - +09 1945 Aug + 10:00 - +10 +Link Pacific/Chuuk Pacific/Truk +Link Pacific/Chuuk Pacific/Yap + # Phoenix Islands, Kiribati # From Paul Eggert (2021-05-27): # Enderbury was inhabited 1860/1880s to mine guano, and 1938-03-06/1942-02-09 @@ -1472,9 +1601,23 @@ Zone Pacific/Enderbury 0 - -00 1860 -12:00 - -12 1942 Feb 9 0 - -00 +# Tuvalu +Zone Pacific/Funafuti 11:56:52 - LMT 1901 + 12:00 - +12 + # Johnston Zone Pacific/Johnston -10:00 - HST +# Marshall Is +Zone Pacific/Majuro 11:24:48 - LMT 1901 + 11:00 - +11 1914 Oct + 9:00 - +09 1919 Feb 1 + 11:00 - +11 1937 + 10:00 - +10 1941 Apr 1 + 9:00 - +09 1944 Jan 30 + 11:00 - +11 1969 Oct + 12:00 - +12 + # Midway # # From Mark Brader (2005-01-23): @@ -1492,6 +1635,18 @@ Zone Pacific/Midway -11:49:28 - LMT 1901 -11:00 1:00 -10 1956 Sep 2 -11:00 - -11 +# Micronesia +# Also see Pacific/Chuuk and commentary for Micronesia in 'australasia'. +Zone Pacific/Pohnpei -13:27:08 - LMT 1844 Dec 31 # Kolonia + 10:32:52 - LMT 1901 + 11:00 - +11 1914 Oct + 9:00 - +09 1919 Feb 1 + 11:00 - +11 1937 + 10:00 - +10 1941 Apr 1 + 9:00 - +09 1945 Aug + 11:00 - +11 +Link Pacific/Pohnpei Pacific/Ponape + # N Mariana Is Zone Pacific/Saipan -14:17:00 - LMT 1844 Dec 31 9:43:00 - LMT 1901 @@ -1499,6 +1654,33 @@ Zone Pacific/Saipan -14:17:00 - LMT 1844 Dec 31 10:00 - +10 2000 Dec 23 10:00 - ChST # Chamorro Standard Time + +# Wake + +# From Vernice Anderson, Personal Secretary to Philip Jessup, +# US Ambassador At Large (oral history interview, 1971-02-02): +# +# Saturday, the 14th [of October, 1950] - ... The time was all the +# more confusing at that point, because we had crossed the +# International Date Line, thus getting two Sundays. Furthermore, we +# discovered that Wake Island had two hours of daylight saving time +# making calculation of time in Washington difficult if not almost +# impossible. +# +# https://www.trumanlibrary.org/oralhist/andrsonv.htm + +# From Paul Eggert (2003-03-23): +# We have no other report of DST in Wake Island, so omit this info for now. + +# Also see commentary for Micronesia in 'australasia'. +Zone Pacific/Wake 11:06:28 - LMT 1901 + 12:00 - +12 + + +# Wallis and Futuna +Zone Pacific/Wallis 12:15:20 - LMT 1901 + 12:00 - +12 + # Local Variables: # coding: utf-8 # End: diff --git a/europe b/europe index 1f51259f..c3a3cc47 100644 --- a/europe +++ b/europe @@ -1025,7 +1025,8 @@ Zone Europe/Prague 0:57:44 - LMT 1850 # End of rearguard section. 1:00 Czech CE%sT 1979 1:00 EU CE%sT -# Use Europe/Prague also for Slovakia. +Link Europe/Prague Europe/Bratislava + # Denmark, Faroe Islands, and Greenland # For Denmark see Europe/Berlin. @@ -1446,21 +1447,8 @@ Zone Europe/Berlin 0:53:28 - LMT 1893 Apr Link Europe/Berlin Arctic/Longyearbyen Link Europe/Berlin Europe/Copenhagen Link Europe/Berlin Europe/Oslo +Link Europe/Berlin Europe/Stockholm -# From Tobias Conradi (2011-09-12): -# Büsingen , surrounded by the Swiss canton -# Schaffhausen, did not start observing DST in 1980 as the rest of DE -# (West Germany at that time) and DD (East Germany at that time) did. -# DD merged into DE, the area is currently covered by code DE in ISO 3166-1, -# which in turn is covered by the zone Europe/Berlin. -# -# Source for the time in Büsingen 1980: -# http://www.srf.ch/player/video?id=c012c029-03b7-4c2b-9164-aa5902cd58d3 - -# From Arthur David Olson (2012-03-03): -# Büsingen and Zurich have shared clocks since 1970. - -Link Europe/Zurich Europe/Busingen # Georgia # Please see the "asia" file for Asia/Tbilisi. @@ -1701,14 +1689,14 @@ Zone Europe/Rome 0:49:56 - LMT 1866 Dec 12 1:00 C-Eur CE%sT 1944 Jun 4 1:00 Italy CE%sT 1980 1:00 EU CE%sT +Link Europe/Rome Europe/Vatican +Link Europe/Rome Europe/San_Marino + # Kosovo # See Europe/Belgrade. -Link Europe/Rome Europe/Vatican -Link Europe/Rome Europe/San_Marino - # Latvia # From Liene Kanepe (1998-09-17): @@ -1792,7 +1780,7 @@ Zone Europe/Riga 1:36:34 - LMT 1880 2:00 EU EE%sT # Liechtenstein -Link Europe/Zurich Europe/Vaduz +# See Europe/Zurich. # Lithuania @@ -3309,7 +3297,7 @@ Link Europe/Belgrade Europe/Skopje # North Macedonia Link Europe/Belgrade Europe/Zagreb # Croatia # Slovakia -Link Europe/Prague Europe/Bratislava +# See Europe/Prague. # Slovenia # See Europe/Belgrade. @@ -3420,61 +3408,7 @@ Zone Atlantic/Canary -1:01:36 - LMT 1922 Mar # Las Palmas de Gran C. # Ignore this for now, as the Canaries are part of the EU. # Sweden - -# From Ivan Nilsson (2001-04-13), superseding Shanks & Pottenger: -# -# The law "Svensk författningssamling 1878, no 14" about standard time in 1879: -# From the beginning of 1879 (that is 01-01 00:00) the time for all -# places in the country is "the mean solar time for the meridian at -# three degrees, or twelve minutes of time, to the west of the -# meridian of the Observatory of Stockholm". The law is dated 1878-05-31. -# -# The observatory at that time had the meridian 18° 03' 30" -# eastern longitude = 01:12:14 in time. Less 12 minutes gives the -# national standard time as 01:00:14 ahead of GMT.... -# -# About the beginning of CET in Sweden. The lawtext ("Svensk -# författningssamling 1899, no 44") states, that "from the beginning -# of 1900... ... the same as the mean solar time for the meridian at -# the distance of one hour of time from the meridian of the English -# observatory at Greenwich, or at 12 minutes 14 seconds to the west -# from the meridian of the Observatory of Stockholm". The law is dated -# 1899-06-16. In short: At 1900-01-01 00:00:00 the new standard time -# in Sweden is 01:00:00 ahead of GMT. -# -# 1916: The lawtext ("Svensk författningssamling 1916, no 124") states -# that "1916-05-15 is considered to begin one hour earlier". It is -# pretty obvious that at 05-14 23:00 the clocks are set to 05-15 00:00.... -# Further the law says, that "1916-09-30 is considered to end one hour later". -# -# The laws regulating [DST] are available on the site of the Swedish -# Parliament beginning with 1985 - the laws regulating 1980/1984 are -# not available on the site (to my knowledge they are only available -# in Swedish): (type -# "sommartid" without the quotes in the field "Fritext" and then click -# the Sök-button). -# -# (2001-05-13): -# -# I have now found a newspaper stating that at 1916-10-01 01:00 -# summertime the church-clocks etc were set back one hour to show -# 1916-10-01 00:00 standard time. The article also reports that some -# people thought the switch to standard time would take place already -# at 1916-10-01 00:00 summer time, but they had to wait for another -# hour before the event took place. -# -# Source: The newspaper "Dagens Nyheter", 1916-10-01, page 7 upper left. - -# An extra-special abbreviation style is SET for Swedish Time (svensk -# normaltid) 1879-1899, 3° west of the Stockholm Observatory. - -# Zone NAME STDOFF RULES FORMAT [UNTIL] -Zone Europe/Stockholm 1:12:12 - LMT 1879 Jan 1 - 1:00:14 - SET 1900 Jan 1 # Swedish Time - 1:00 - CET 1916 May 14 23:00 - 1:00 1:00 CEST 1916 Oct 1 1:00 - 1:00 - CET 1980 - 1:00 EU CE%sT +# See Europe/Berlin. # Switzerland # From Howse: @@ -3568,6 +3502,19 @@ Zone Europe/Stockholm 1:12:12 - LMT 1879 Jan 1 # 1853-07-16, though it probably occurred at some other date in Zurich, and # legal civil time probably changed at still some other transition date. +# From Tobias Conradi (2011-09-12): +# Büsingen , surrounded by the Swiss canton +# Schaffhausen, did not start observing DST in 1980 as the rest of DE +# (West Germany at that time) and DD (East Germany at that time) did. +# DD merged into DE, the area is currently covered by code DE in ISO 3166-1, +# which in turn is covered by the zone Europe/Berlin. +# +# Source for the time in Büsingen 1980: +# http://www.srf.ch/player/video?id=c012c029-03b7-4c2b-9164-aa5902cd58d3 +# +# From Arthur David Olson (2012-03-03): +# Büsingen and Zurich have shared clocks since 1970. + # Rule NAME FROM TO - IN ON AT SAVE LETTER/S Rule Swiss 1941 1942 - May Mon>=1 1:00 1:00 S Rule Swiss 1941 1942 - Oct Mon>=1 2:00 0 - @@ -3576,6 +3523,9 @@ Zone Europe/Zurich 0:34:08 - LMT 1853 Jul 16 # See above comment. 0:29:46 - BMT 1894 Jun # Bern Mean Time 1:00 Swiss CE%sT 1981 1:00 EU CE%sT +Link Europe/Zurich Europe/Busingen +Link Europe/Zurich Europe/Vaduz + # Turkey diff --git a/zone1970.tab b/zone1970.tab index d0bc8a81..3e1948cb 100644 --- a/zone1970.tab +++ b/zone1970.tab @@ -34,7 +34,7 @@ #country- #codes coordinates TZ comments AD +4230+00131 Europe/Andorra -AE,OM +2518+05518 Asia/Dubai +AE,OM,RE,SC,TF +2518+05518 Asia/Dubai UAE, Oman, Réunion, Seychelles, Crozet, Scattered Is AF +3431+06912 Asia/Kabul AL +4120+01950 Europe/Tirane AM +4011+04430 Asia/Yerevan @@ -121,7 +121,6 @@ CA +5848-12242 America/Fort_Nelson MST - BC (Ft Nelson) CA +6043-13503 America/Whitehorse MST - Yukon (east) CA +6404-13925 America/Dawson MST - Yukon (west) CA +4916-12307 America/Vancouver Pacific - BC (most areas) -CC -1210+09655 Indian/Cocos CH,DE,LI +4723+00832 Europe/Zurich Swiss time CI,BF,GH,GM,GN,IS,ML,MR,SH,SL,SN,TG +0519-00402 Africa/Abidjan CK -2114-15946 Pacific/Rarotonga @@ -134,11 +133,10 @@ CO +0436-07405 America/Bogota CR +0956-08405 America/Costa_Rica CU +2308-08222 America/Havana CV +1455-02331 Atlantic/Cape_Verde -CX -1025+10543 Indian/Christmas CY +3510+03322 Asia/Nicosia Cyprus (most areas) CY +3507+03357 Asia/Famagusta Northern Cyprus CZ,SK +5005+01426 Europe/Prague -DE,DK,NO,SJ +5230+01322 Europe/Berlin Germany (most areas), Scandinavia +DE,DK,NO,SE,SJ +5230+01322 Europe/Berlin Germany (most areas), Scandinavia DO +1828-06954 America/Santo_Domingo DZ +3647+00303 Africa/Algiers EC -0210-07950 America/Guayaquil Ecuador (mainland) @@ -152,8 +150,6 @@ ES +2806-01524 Atlantic/Canary Canary Islands FI,AX +6010+02458 Europe/Helsinki FJ -1808+17825 Pacific/Fiji FK -5142-05751 Atlantic/Stanley -FM +0725+15147 Pacific/Chuuk Chuuk/Truk, Yap -FM +0658+15813 Pacific/Pohnpei Pohnpei/Ponape FM +0519+16259 Pacific/Kosrae Kosrae FO +6201-00646 Atlantic/Faroe FR,MC +4852+00220 Europe/Paris @@ -191,7 +187,7 @@ JO +3157+03556 Asia/Amman JP +353916+1394441 Asia/Tokyo KE,DJ,ER,ET,KM,MG,SO,TZ,UG,YT -0117+03649 Africa/Nairobi KG +4254+07436 Asia/Bishkek -KI +0125+17300 Pacific/Tarawa Gilbert Islands +KI,MH,TV,UM,WF +0125+17300 Pacific/Tarawa Gilberts, Marshalls, Tuvalu, Wallis & Futuna, Wake KI -0247-17143 Pacific/Kanton Phoenix Islands KI +0152-15720 Pacific/Kiritimati Line Islands KP +3901+12545 Asia/Pyongyang @@ -211,9 +207,8 @@ LV +5657+02406 Europe/Riga LY +3254+01311 Africa/Tripoli MA +3339-00735 Africa/Casablanca MD +4700+02850 Europe/Chisinau -MH +0709+17112 Pacific/Majuro Marshall Islands (most areas) MH +0905+16720 Pacific/Kwajalein Kwajalein -MM +1647+09610 Asia/Yangon +MM,CC +1647+09610 Asia/Yangon MN +4755+10653 Asia/Ulaanbaatar Mongolia (most areas) MN +4801+09139 Asia/Hovd Bayan-Ölgii, Govi-Altai, Hovd, Uvs, Zavkhan MN +4804+11430 Asia/Choibalsan Dornod, Sükhbaatar @@ -221,7 +216,7 @@ MO +221150+1133230 Asia/Macau MQ +1436-06105 America/Martinique MT +3554+01431 Europe/Malta MU -2010+05730 Indian/Mauritius -MV +0410+07330 Indian/Maldives +MV,TF +0410+07330 Indian/Maldives Maldives, Kerguelen, St Paul I, Amsterdam I MX +1924-09909 America/Mexico_City Central Time MX +2105-08646 America/Cancun Eastern Standard Time - Quintana Roo MX +2058-08937 America/Merida Central Time - Campeche, Yucatán @@ -250,7 +245,7 @@ PE -1203-07703 America/Lima PF -1732-14934 Pacific/Tahiti Society Islands PF -0900-13930 Pacific/Marquesas Marquesas Islands PF -2308-13457 Pacific/Gambier Gambier Islands -PG,AQ -0930+14710 Pacific/Port_Moresby Papua New Guinea (most areas), Dumont d'Urville +PG,AQ,FM -0930+14710 Pacific/Port_Moresby Papua New Guinea (most areas), Chuuk, Yap, Dumont d'Urville PG -0613+15534 Pacific/Bougainville Bougainville PH +1435+12100 Asia/Manila PK +2452+06703 Asia/Karachi @@ -266,7 +261,6 @@ PT +3744-02540 Atlantic/Azores Azores PW +0720+13429 Pacific/Palau PY -2516-05740 America/Asuncion QA,BH +2517+05132 Asia/Qatar -RE,TF -2052+05528 Indian/Reunion Réunion, Crozet, Scattered Islands RO +4426+02606 Europe/Bucharest RS,BA,HR,ME,MK,SI +4450+02030 Europe/Belgrade RU +5443+02030 Europe/Kaliningrad MSK-01 - Kaliningrad @@ -298,10 +292,8 @@ RU +6728+15343 Asia/Srednekolymsk MSK+08 - Sakha (E); North Kuril Is RU +5301+15839 Asia/Kamchatka MSK+09 - Kamchatka RU +6445+17729 Asia/Anadyr MSK+09 - Bering Sea SA,AQ,KW,YE +2438+04643 Asia/Riyadh Arabia, Syowa -SB -0932+16012 Pacific/Guadalcanal -SC -0440+05528 Indian/Mahe +SB,FM -0932+16012 Pacific/Guadalcanal Solomons, Pohnpei SD +1536+03232 Africa/Khartoum -SE +5920+01803 Europe/Stockholm SG,MY +0117+10351 Asia/Singapore Singapore, peninsular Malaysia SR +0550-05510 America/Paramaribo SS +0451+03137 Africa/Juba @@ -310,8 +302,7 @@ SV +1342-08912 America/El_Salvador SY +3330+03618 Asia/Damascus TC +2128-07108 America/Grand_Turk TD +1207+01503 Africa/Ndjamena -TF -492110+0701303 Indian/Kerguelen Kerguelen, St Paul Island, Amsterdam Island -TH,KH,LA,VN +1345+10031 Asia/Bangkok Indochina (most areas) +TH,CX,KH,LA,VN +1345+10031 Asia/Bangkok Indochina (most areas) TJ +3835+06848 Asia/Dushanbe TK -0922-17114 Pacific/Fakaofo TL -0833+12535 Asia/Dili @@ -319,12 +310,10 @@ TM +3757+05823 Asia/Ashgabat TN +3648+01011 Africa/Tunis TO -210800-1751200 Pacific/Tongatapu TR +4101+02858 Europe/Istanbul -TV -0831+17913 Pacific/Funafuti TW +2503+12130 Asia/Taipei UA +5026+03031 Europe/Kyiv Ukraine (most areas) UA +4837+02218 Europe/Uzhgorod Transcarpathia UA +4750+03510 Europe/Zaporozhye Zaporozhye and east Lugansk -UM +1917+16637 Pacific/Wake Wake Island US +404251-0740023 America/New_York Eastern (most areas) US +421953-0830245 America/Detroit Eastern - MI (most areas) US +381515-0854534 America/Kentucky/Louisville Eastern - KY (Louisville area) @@ -360,6 +349,5 @@ UZ +4120+06918 Asia/Tashkent Uzbekistan (east) VE +1030-06656 America/Caracas VN +1045+10640 Asia/Ho_Chi_Minh Vietnam (south) VU -1740+16825 Pacific/Efate -WF -1318-17610 Pacific/Wallis WS -1350-17144 Pacific/Apia ZA,LS,SZ -2615+02800 Africa/Johannesburg -- 2.34.1