(Thanks to Stepan Golosunov.) * NEWS: Document this. * asia (RussiaAsia): Copy new Russia rules, except extend by a year to 2011 since Armenia needs that. (Asia/Yerevan): Change 2012 transition date from effective to legal date. It is a no-change transition, and we might as well document the legal date. (Asia/Almaty, Asia/Qyzylorda, Asia/Aqtobe, Asia/Aqtau, Asia/Oral): Adjust 1992-2005 transitions based on Stepan Golosunov’s comments. * europe (Russia): Remove special case for 1992. --- NEWS | 9 +++ asia | 286 +++++++++++++++++++++++++++++++++++++++++++++++++---------------- europe | 16 ++-- 3 files changed, 236 insertions(+), 75 deletions(-) diff --git a/NEWS b/NEWS index 2e3754f..880cbfc 100644 --- a/NEWS +++ b/NEWS @@ -21,6 +21,15 @@ Unreleased, experimental changes 1989-03-26 at 02:00, roughly a year after Europe/Volgograd made the same change. (Thanks to Stepan Golosunov.) + Russia and nearby locations had daylight-saving transitions on + 1992-03-29 at 02:00 and 1992-09-27 at 03:00, instead of on + 1992-03-28 at 23:00 and 1992-09-26 at 23:00. (Thanks to Stepan + Golosunov.) + + Many corrections to historical time in Kazakhstan from 1991 + through 2005. (Thanks to Stepan Golosunov.) Replace Kazakhstan's + invented time zone abbreviations with numeric abbreviations. + Changes to commentary Mention Internet RFCs 7808 (TZDIST) and 7809 (CalDAV time zone references). diff --git a/asia b/asia index c91df54..75d4298 100644 --- a/asia +++ b/asia @@ -79,13 +79,9 @@ Rule E-EurAsia 1979 1995 - Sep lastSun 0:00 0 - Rule E-EurAsia 1996 max - Oct lastSun 0:00 0 - Rule RussiaAsia 1981 1984 - Apr 1 0:00 1:00 S Rule RussiaAsia 1981 1983 - Oct 1 0:00 0 - -Rule RussiaAsia 1984 1991 - Sep lastSun 2:00s 0 - -Rule RussiaAsia 1985 1991 - Mar lastSun 2:00s 1:00 S -Rule RussiaAsia 1992 only - Mar lastSat 23:00 1:00 S -Rule RussiaAsia 1992 only - Sep lastSat 23:00 0 - -Rule RussiaAsia 1993 max - Mar lastSun 2:00s 1:00 S -Rule RussiaAsia 1993 1995 - Sep lastSun 2:00s 0 - -Rule RussiaAsia 1996 max - Oct lastSun 2:00s 0 - +Rule RussiaAsia 1984 1995 - Sep lastSun 2:00s 0 - +Rule RussiaAsia 1985 2011 - Mar lastSun 2:00s 1:00 S +Rule RussiaAsia 1996 2011 - Oct lastSun 2:00s 0 - # Afghanistan # Zone NAME GMTOFF RULES FORMAT [UNTIL] @@ -125,7 +121,7 @@ Zone Asia/Yerevan 2:58:00 - LMT 1924 May 2 3:00 1:00 YERST 1991 Sep 23 # independence 3:00 RussiaAsia AM%sT 1995 Sep 24 2:00s 4:00 - AMT 1997 - 4:00 RussiaAsia AM%sT 2012 Mar 25 2:00s + 4:00 RussiaAsia AM%sT 2012 Feb 9 4:00 - AMT # Azerbaijan @@ -1567,23 +1563,6 @@ Zone Asia/Amman 2:23:44 - LMT 1931 # Kazakhstan -# From Paul Eggert (1996-11-22): -# Andrew Evtichov (1996-04-13) writes that Kazakhstan -# stayed in sync with Moscow after 1990, and that Aqtobe (formerly Aktyubinsk) -# and Aqtau (formerly Shevchenko) are the largest cities in their zones. -# Guess that Aqtau and Aqtobe diverged in 1995, since that's the first time -# IATA SSIM mentions a third time zone in Kazakhstan. - -# From Paul Eggert (2006-03-22): -# German Iofis, ELSI, Almaty (2001-10-09) reports that Kazakhstan uses -# RussiaAsia rules, instead of switching at 00:00 as the IATA has it. -# Go with Shanks & Pottenger, who have them always using RussiaAsia rules. -# Also go with the following claims of Shanks & Pottenger: -# -# - Kazakhstan did not observe DST in 1991. -# - Qyzylorda switched from +5:00 to +6:00 on 1992-01-19 02:00. -# - Oral switched from +5:00 to +4:00 in spring 1989. - # From Kazakhstan Embassy's News Bulletin No. 11 # <http://www.kazsociety.org.uk/news/2005/03/30.htm> (2005-03-21): # The Government of Kazakhstan passed a resolution March 15 abolishing @@ -1600,63 +1579,232 @@ Zone Asia/Amman 2:23:44 - LMT 1931 # everything else.... I guess that would make Kazakhstan time zones # de jure UTC+5 and UTC+6 respectively. +# From Stepan Golosunov (2016-03-27) ([*] means see later comments below): +# Review of the linked documents from http://adilet.zan.kz/ +# produced the following data for post-1991 Kazakhstan: +# +# 0. Act of the Cabinet of Ministers of the USSR +# from 1991-02-04 No. 20 +# http://pravo.gov.ru/proxy/ips/?docbody=&nd=102010545 +# removed the extra hour ("decree time") on the territory of the USSR +# starting with the last Sunday of March 1991. +# It also allowed (but not mandated) Kazakh SSR, Kirghiz SSR, Tajik SSR, +# Turkmen SSR and Uzbek SSR to not have "summer" time. +# +# The 1992-01-13 act also refers to the act of the Cabinet of Ministers +# of the Kazakh SSR from 1991-03-20 No. 170 "About the act of the Cabinet +# of Ministers of the USSR from 1991-02-04 No. 20" but I didn't found its +# text. +# +# According to Izvestia newspaper No. 68 (23334) from 1991-03-20 +# (page 6; available at http://libinfo.org/newsr/newsr2574.djvu via +# http://libinfo.org/index.php?id=58564) on 1991-03-31 at 2:00 during +# transition to "summer" time: +# Republic of Georgia, Latvian SSR, Lithuanian SSR, SSR Moldova, +# Estonian SSR; Komi ASSR; Kaliningrad oblast; Nenets autonomous okrug +# were to move clocks 1 hour forward. +# Kazakh SSR (excluding Uralsk oblast); Republic of Kyrgyzstan, Tajik +# SSR; Andijan, Jizzakh, Namangan, Sirdarya, Tashkent, Fergana oblasts +# of the Uzbek SSR were to move clocks 1 hour backwards. +# Other territories were to not move clocks. +# When the "summer" time would end on 1991-09-29, clocks were to be +# moved 1 hour backwards on the territory of the USSR excluding +# Kazakhstan, Kirghizia, Uzbekistan, Turkmenia, Tajikistan. +# +# Apparently there were last minute changes. Apparently Kazakh act No. 170 +# was one of such changes. +# +# https://ru.wikipedia.org/wiki/Декретное время +# claims that Sovetskaya Rossiya newspaper on 1991-03-29 published that +# Nenets autonomous okrug, Komi and Kazakhstan (excluding Uralsk oblast) +# were to not move clocks and Uralsk oblast was to move clocks +# forward; on 1991-09-29 Kazakhstan was to move clocks backwards. +# (Probably there were changes even after that publication. There is an +# article claiming that Kaliningrad oblast decided on 1991-03-29 to not +# move clocks.) +# +# This implies that on 1991-03-31 Asia/Oral remained on +04/+05 while +# the rest of Kazakhstan switched from +06/+07 to +05/06 or from +05/06 +# to +04/+05. It's unclear how Kzyl-Orda oblast moved into the fifth +# time belt. (By switching from +04/+05 to +05/+06 on 1991-09-29?) ... +# +# 1. Act of the Cabinet of Ministers of the Republic of Kazakhstan +# from 1992-01-13 No. 28 +# http://adilet.zan.kz/rus/docs/P920000028_ +# (text includes modification from the 1996 act) +# introduced new rules for calculation of time, mirroring Russian +# 1992-01-08 act. It specified that time would be calculated +# according to time belts plus extra hour ("decree time"), moved clocks +# on the whole territory of Kazakhstan 1 hour forward on 1992-01-19 at +# 2:00, specified DST rules. It acknowledged that Kazakhstan was +# located in the fourth and the fifth time belts and specified the +# border between them to be located east of Kustanay and Aktyubinsk +# oblasts (notably including Turgai and Kzyl-Orda oblasts into the fifth +# time belt). +# +# This means switch on 1992-01-19 at 2:00 from +04/+05 to +05/+06 for +# Asia/Aqtau, Asia/Aqtobe, Asia/Oral, Atyrau and Kustanay oblasts; from +# +05/+06 to +06/+07 for Asia/Almaty and Asia/Qyzylorda (and Arkalyk) [*].... +# +# 2. Act of the Cabinet of Ministers of the Republic of Kazakhstan +# from 1992-03-27 No. 284 +# http://adilet.zan.kz/rus/docs/P920000284_ +# cancels extra hour ("decree time") for Uralsk and Kzyl-Orda oblasts +# since the last Sunday of March 1992, while keeping them in the fourth +# and the fifth time belts respectively. +# +# 3. Order of the Prime Minister of the Republic of Kazakhstan +# from 1994-09-23 No. 384 +# http://adilet.zan.kz/rus/docs/R940000384_ +# cancels the extra hour ("decree time") on the territory of Mangystau +# oblast since the last Sunday of September 1994 (saying that time on +# the territory would correspond to the third time belt as a +# result).... +# +# 4. Act of the Government of the Republic of Kazakhstan +# from 1996-05-08 No. 575 +# http://adilet.zan.kz/rus/docs/P960000575_ +# amends the 1992-01-13 act to end summer time in October instead +# of September, mirroring identical Russian change from 1996-04-23 act. +# +# 5. Act of the Government of the Republic of Kazakhstan +# from 1999-03-26 No. 305 +# http://adilet.zan.kz/rus/docs/P990000305_ +# cancels the extra hour ("decree time") for Atyrau oblast since the +# last Sunday of March 1999 while retaining the oblast in the fourth +# time belt. +# +# This means change from +05/+06 to +04/+05. +# +# There is no zone for Atyrau currently (listed under Asia/Aqtau in +# zone1970.tab).[*] +# +# 6. Act of the Government of the Republic of Kazakhstan +# from 2000-11-23 No. 1749 +# http://adilet.zan.kz/rus/archive/docs/P000001749_/23.11.2000 +# replaces the previous five documents. +# +# The only changes I noticed are in definition of the border between the +# fourth and the fifth time belts. They account for changes in spelling +# and administrative division (splitting of Turgai oblast in 1997 +# probably changed time in territories incorporated into Kostanay oblast +# (including Arkalyk) from +06/+07 to +05/+06) and move Kyzylorda oblast +# from being in the fifth time belt and not using decree time into the +# fourth time belt (no change in practice).[*] +# +# 7. Act of the Government of the Republic of Kazakhstan +# from 2003-12-29 No. 1342 +# http://adilet.zan.kz/rus/docs/P030001342_ +# modified the 2000-11-23 act. No relevant changes, apparently. +# +# 8. Act of the Government of the Republic of Kazakhstan +# from 2004-07-20 No. 775 +# http://adilet.zan.kz/rus/archive/docs/P040000775_/20.07.2004 +# modified the 2000-11-23 act to move Kostanay and Kyzylorda oblasts into +# the fifth time belt and add Aktobe oblast to the list of regions not +# using extra hour ("decree time"), leaving Kazakhstan with only 2 time +# zones (+04/+05 and +06/+07). The changes were to be implemented +# during DST transitions in 2004 and 2005 but the acts got radically +# amended before implementation happened. +# +# 9. Act of the Government of the Republic of Kazakhstan +# from 2004-09-15 No. 1059 +# http://adilet.zan.kz/rus/docs/P040001059_ +# modified the 2000-11-23 act to remove exceptions from the "decree time" +# (leaving Kazakhstan in +05/+06 and +06/+07 zones), amended the +# 2004-07-20 act to implement changes for Atyrau, West Kazakhstan, +# Kostanay, Kyzylorda and Mangystau oblasts by not moving clocks +# during the 2014 transition to "winter" time. +# +# This means transition from +04/+05 to +05/+06 for Atyrau oblast (no +# zone currently), Asia/Oral, Asia/Aqtau and transition from +05/+06 to +# +06/+07 for Kostanay oblast (Kostanay and Arkalyk, no zones currently) +# and Asia/Qyzylorda on 2004-10-31 at 3:00....[*] +# +# 10. Act of the Government of the Republic of Kazakhstan +# from 2005-03-15 No. 231 +# http://adilet.zan.kz/rus/docs/P050000231_ +# removes DST provisions from the 2000-11-23 act, removes most of the +# (already implemented) provisions from the 2004-07-20 and 2004-09-15 +# acts, comes into effect 10 days after official publication. +# The only practical effect seems to be the abolition of the summer +# time. +# +# 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 (2016-04-15): +# The tables below should reflect Stepan Golosunov's remarks above, +# except for the items marked "[*]" which I haven't gotten to yet. +# It looks like we will need new zones Asia/Atyrau and Asia/Qostanay +# to handle changes from 1992 through 2004 that we did not previously +# know about. + # # Zone NAME GMTOFF RULES FORMAT [UNTIL] # # Almaty (formerly Alma-Ata), representing most locations in Kazakhstan +# This includes KZ-AKM, KZ-ALA, KZ-ALM, KZ-AST, KZ-BAY, KZ-VOS, KZ-ZHA, +# KZ-KAR, KZ-SEV, KZ-PAV, and KZ-YUZ. Zone Asia/Almaty 5:07:48 - LMT 1924 May 2 # or Alma-Ata - 5:00 - ALMT 1930 Jun 21 # Alma-Ata Time - 6:00 RussiaAsia ALM%sT 1991 - 6:00 - ALMT 1992 - 6:00 RussiaAsia ALM%sT 2005 Mar 15 - 6:00 - ALMT -# Qyzylorda (aka Kyzylorda, Kizilorda, Kzyl-Orda, etc.) + 5:00 - +05 1930 Jun 21 + 6:00 RussiaAsia +06/+07 1991 Mar 31 2:00s + 5:00 RussiaAsia +05/+06 1992 Jan 19 2:00s + 6:00 RussiaAsia +06/+07 2004 Oct 31 2:00s + 6:00 - +06 +# Qyzylorda (aka Kyzylorda, Kizilorda, Kzyl-Orda, etc.) (KZ-KZY) Zone Asia/Qyzylorda 4:21:52 - LMT 1924 May 2 - 4:00 - KIZT 1930 Jun 21 # Kizilorda Time - 5:00 - KIZT 1981 Apr 1 - 5:00 1:00 KIZST 1981 Oct 1 - 6:00 - KIZT 1982 Apr 1 - 5:00 RussiaAsia KIZ%sT 1991 - 5:00 - KIZT 1991 Dec 16 # independence - 5:00 - QYZT 1992 Jan 19 2:00 - 6:00 RussiaAsia QYZ%sT 2005 Mar 15 - 6:00 - QYZT -# Aqtobe (aka Aktobe, formerly Aktyubinsk) + 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 1991 Mar 31 2:00s + 4:00 RussiaAsia +04/+05 1991 Sep 29 2:00s + 5:00 RussiaAsia +05/+06 1992 Jan 19 2:00s + 6:00 RussiaAsia +06/+07 1992 Mar 29 2:00s + 5:00 RussiaAsia +05/+06 2004 Oct 31 2:00s + 6:00 - +06 +# Aqtobe (aka Aktobe, formerly Aktyubinsk) (KZ-AKT) Zone Asia/Aqtobe 3:48:40 - LMT 1924 May 2 - 4:00 - AKTT 1930 Jun 21 # Aktyubinsk Time - 5:00 - AKTT 1981 Apr 1 - 5:00 1:00 AKTST 1981 Oct 1 - 6:00 - AKTT 1982 Apr 1 - 5:00 RussiaAsia AKT%sT 1991 - 5:00 - AKTT 1991 Dec 16 # independence - 5:00 RussiaAsia AQT%sT 2005 Mar 15 # Aqtobe Time - 5:00 - AQTT -# Mangghystau + 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 1991 Mar 31 2:00s + 4:00 RussiaAsia +04/+05 1992 Jan 19 2:00s + 5:00 RussiaAsia +05/+06 2004 Oct 31 2:00s + 5:00 - +05 +# Qostanay (KZ-KUS) + +# Mangghystau (KZ-MAN) # Aqtau was not founded until 1963, but it represents an inhabited region, # so include time stamps before 1963. Zone Asia/Aqtau 3:21:04 - LMT 1924 May 2 - 4:00 - FORT 1930 Jun 21 # Fort Shevchenko T - 5:00 - FORT 1963 - 5:00 - SHET 1981 Oct 1 # Shevchenko Time - 6:00 - SHET 1982 Apr 1 - 5:00 RussiaAsia SHE%sT 1991 - 5:00 - SHET 1991 Dec 16 # independence - 5:00 RussiaAsia AQT%sT 1995 Mar lastSun 2:00 # Aqtau Time - 4:00 RussiaAsia AQT%sT 2005 Mar 15 - 5:00 - AQTT -# West Kazakhstan + 4:00 - +04 1930 Jun 21 + 5:00 - +05 1963 + 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 1994 Sep 25 2:00s + 4:00 RussiaAsia +04/+05 2004 Oct 31 2:00s + 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 - URAT 1930 Jun 21 # Ural'sk time - 5:00 - URAT 1981 Apr 1 - 5:00 1:00 URAST 1981 Oct 1 - 6:00 - URAT 1982 Apr 1 - 5:00 RussiaAsia URA%sT 1989 Mar 26 2:00 - 4:00 RussiaAsia URA%sT 1991 - 4:00 - URAT 1991 Dec 16 # independence - 4:00 RussiaAsia ORA%sT 2005 Mar 15 # Oral Time - 5:00 - ORAT + 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 + 5:00 RussiaAsia +05/+06 1992 Mar 29 2:00s + 4:00 RussiaAsia +04/+05 2004 Oct 31 2:00s + 5:00 - +05 # Kyrgyzstan (Kirgizstan) # Transitions through 1991 are from Shanks & Pottenger. diff --git a/europe b/europe index af708ce..86159f7 100644 --- a/europe +++ b/europe @@ -600,13 +600,9 @@ Rule Russia 1981 1984 - Apr 1 0:00 1:00 S Rule Russia 1981 1983 - Oct 1 0:00 0 - # Act No. 967 of the Council of Ministers of the USSR (1984-09-13), repeated in # Act No. 227 of the Council of Ministers of the USSR (1989-03-14): -Rule Russia 1984 1991 - Sep lastSun 2:00s 0 - -Rule Russia 1985 1991 - Mar lastSun 2:00s 1:00 S +Rule Russia 1984 1995 - Sep lastSun 2:00s 0 - +Rule Russia 1985 2010 - Mar lastSun 2:00s 1:00 S # -Rule Russia 1992 only - Mar lastSat 23:00 1:00 S -Rule Russia 1992 only - Sep lastSat 23:00 0 - -Rule Russia 1993 2010 - Mar lastSun 2:00s 1:00 S -Rule Russia 1993 1995 - Sep lastSun 2:00s 0 - Rule Russia 1996 2010 - Oct lastSun 2:00s 0 - # As described below, Russia's 2014 change affects Zone data, not Rule data. @@ -630,6 +626,14 @@ Rule Russia 1996 2010 - Oct lastSun 2:00s 0 - # rules (Moscow time) # c) Uralsk oblast: third time belt rules (Moscow+1). +# From Stepan Golosunov (2016-03-27): +# Unamended version of the act of the +# Government of the Russian Federation No. 23 from 08.01.1992 +# http://pravo.gov.ru/proxy/ips/?docbody=&nd=102014034&rdk=0 +# says that every year clocks were to be moved forward on last Sunday +# of March at 2 hours and moved backwards on last Sunday of September +# at 3 hours. It was amended in 1996 to replace September with October. + # From Alexander Krivenyshev (2011-06-14): # According to Kremlin press service, Russian President Dmitry Medvedev # signed a federal law "On calculation of time" on June 9, 2011. -- 2.5.5