>From b73b4f75e2ed1184d90fab142e8eeea7a263168b Mon Sep 17 00:00:00 2001 From: Paul Eggert Date: Mon, 7 Mar 2016 00:52:05 -0800 Subject: [PROPOSED PATCH] Pre-2012 fixes for Chisinau, Novosibirsk, etc. This should fix the first six items noted by Stepan Golosunov in: http://mm.icann.org/pipermail/tz/2016-March/023346.html * NEWS: Document this. * europe (Europe/Chisinau): Observe DST during 1990, and switch from +04 to +03 at 1990-05-06 02:00, instead of switching from +03 to +02. (Europe/Astrakhan): Omit dummy transition. (Europe/Samara): 1991 abbreviations are SAMT/SAMST, not KUYT/KUYST. (Asia/Barnaul): Switch from +07 to +06 on 1995-05-28, not 1991-03-31. (Asia/Novosibirsk): Switch from +06 to +07 at 2002-05-01 03:00, not 2011-03-27 02:00. --- NEWS | 14 +++++++++++++- europe | 48 ++++++++++++++++++++++++++++++++++-------------- 2 files changed, 47 insertions(+), 15 deletions(-) diff --git a/NEWS b/NEWS index d133b98..82b4c07 100644 --- a/NEWS +++ b/NEWS @@ -13,12 +13,24 @@ Unreleased, experimental changes passed the first reading in the State Duma and are extremely likely. Also, Asia/Sakhalin moves from +10 to +11 on 2016-03-27 at 02:00. (Thanks to Alexander Krivenyshev for the heads-up, and to Matt Johnson - for followup.) + and Stepan Golosunov for followup.) As a trial of a new system that needs less information to be made up, the new zones use numeric time zone abbreviations like "+04" instead of invented abbreviations like "ASTT". + Changes affecting past time stamps + + Asia/Novosibirsk switched from +06 to +07 at 2002-05-01 03:00, + not 2011-03-27 02:00. (Thanks to Stepan Golosunov.) + + Europe/Chisinau observed DST during 1990, and switched from +04 to + +03 at 1990-05-06 02:00, instead of switching from +03 to +02. + (Thanks to Stepan Golosunov.) + + 1991 abbreviations in Europe/Samara should be SAMT/SAMST, not + KUYT/KUYST. (Thanks to Stepan Golosunov.) + Changes to code tzselect's diagnostics and checking, and checktab.awk's checking, diff --git a/europe b/europe index e2944fe..d758be5 100644 --- a/europe +++ b/europe @@ -1734,6 +1734,16 @@ Zone Europe/Malta 0:58:04 - LMT 1893 Nov 2 0:00s # Valletta # Moldova +# From Stepan Golosunov (2016-03-07): +# the act of the government of the Republic of Moldova Nr. 132 from 1990-05-04 +# http://lex.justice.md/viewdoc.php?action=view&view=doc&id=298782&lang=2 +# ... says that since 1990-05-06 on the territory of the Moldavian SSR +# time would be calculated as the standard time of the second time belt +# plus one hour of the "summer" time. To implement that clocks would be +# adjusted one hour backwards at 1990-05-06 2:00. After that "summer" +# time would be cancelled last Sunday of September at 3:00 and +# reintroduced last Sunday of March at 2:00. + # From Paul Eggert (2006-03-22): # A previous version of this database followed Shanks & Pottenger, who write # that Tiraspol switched to Moscow time on 1992-01-19 at 02:00. @@ -1792,9 +1802,7 @@ Zone Europe/Chisinau 1:55:20 - LMT 1880 2:00 Romania EE%sT 1940 Aug 15 2:00 1:00 EEST 1941 Jul 17 1:00 C-Eur CE%sT 1944 Aug 24 - 3:00 Russia MSK/MSD 1990 - 3:00 - MSK 1990 May 6 - 2:00 - EET 1991 + 3:00 Russia MSK/MSD 1990 May 6 2:00 2:00 Russia EE%sT 1992 2:00 E-Eur EE%sT 1997 # See Romania commentary for the guessed 1997 transition to EU rules. @@ -2415,7 +2423,6 @@ Zone Europe/Simferopol 2:16:24 - LMT 1880 Zone Europe/Astrakhan 3:12:12 - LMT 1924 May 3:00 - +03 1930 Jun 21 - 4:00 - +04 1961 Nov 11 4:00 Russia +04/+05 1989 Mar 26 2:00s 3:00 Russia +03/+04 1991 Mar 31 2:00s 4:00 - +04 1992 Mar 29 2:00s @@ -2455,13 +2462,13 @@ Zone Europe/Volgograd 2:57:40 - LMT 1920 Jan 3 # Byalokoz 1919 says Samara was 3:20:20. Zone Europe/Samara 3:20:20 - LMT 1919 Jul 1 2:00 - 3:00 - SAMT 1930 Jun 21 + 3:00 - SAMT 1930 Jun 21 # Samara Time 4:00 - SAMT 1935 Jan 27 4:00 Russia KUY%sT 1989 Mar 26 2:00s # Kuybyshev 3:00 Russia MSK/MSD 1991 Mar 31 2:00s 2:00 Russia EE%sT 1991 Sep 29 2:00s - 3:00 - KUYT 1991 Oct 20 3:00 - 4:00 Russia SAM%sT 2010 Mar 28 2:00s # Samara Time + 3:00 - SAMT 1991 Oct 20 3:00 + 4:00 Russia SAM%sT 2010 Mar 28 2:00s 3:00 Russia SAM%sT 2011 Mar 27 2:00s 4:00 - SAMT @@ -2532,9 +2539,21 @@ Zone Asia/Omsk 4:53:30 - LMT 1919 Nov 14 # Asia/Barnaul covers: # 04 RU-AL Altai Republic # 22 RU-ALT Altai Krai -# Data before 1991 are from Shanks & Pottenger. Guess that Barnaul synchronized -# with Omsk starting in 1992 (a no-change transition for Barnaul). -# This may be related to the guess in Asia/Novosibirsk for Tomsk in 1993. +# Data before 1991 are from Shanks & Pottenger. + +# From Stepan Golosunov (2016-03-07): +# Letter of Bank of Russia from 1995-05-25 +# http://www.bestpravo.ru/rossijskoje/lj-akty/y3a.htm +# suggests that Altai Republic transitioned to Moscow+3 on +# 1995-05-28. +# +# http://regnum.ru/news/society/1957270.html +# has some historical data for Altai Krai: +# before 1957: west part on UTC+6, east on UTC+7 +# after 1957: UTC+7 +# since 1995: UTC+6 +# http://barnaul.rusplt.ru/index/pochemu_altajskij_kraj_okazalsja_v_neprivychnom_chasovom_pojase-17648.html +# confirms that and provides more details including 1995-05-28 transition date. # From Alexander Krivenyshev (2016-02-17): # Altai Krai and Altai Republic on their way to change time zones @@ -2546,7 +2565,7 @@ Zone Asia/Omsk 4:53:30 - LMT 1919 Nov 14 Zone Asia/Barnaul 5:35:00 - LMT 1919 Dec 10 6:00 - +06 1930 Jun 21 - 7:00 Russia +07/+08 1991 Mar 31 2:00s + 7:00 Russia +07/+08 1995 May 28 6:00 Russia +06/+07 2011 Mar 27 2:00s 7:00 - +07 2014 Oct 26 2:00s 6:00 - +06 2016 Mar 27 2:00s @@ -2557,15 +2576,16 @@ Zone Asia/Barnaul 5:35:00 - LMT 1919 Dec 10 # 54 RU-NVS Novosibirsk Oblast # 70 RU-TOM Tomsk Oblast -# From Paul Eggert (2006-08-19): I'm guessing about Tomsk here; it's -# not clear when it switched from +7 to +6. +# From Stepan Golosunov (2016-03-07): +# http://pravo.gov.ru/proxy/ips/?docbody=&nd=102075743 +# transitions Tomsk to the time of the fifth time belt at 2002-05-01 03:00. Zone Asia/Novosibirsk 5:31:40 - LMT 1919 Dec 14 6:00 6:00 - NOVT 1930 Jun 21 # Novosibirsk Time 7:00 Russia NOV%sT 1991 Mar 31 2:00s 6:00 Russia NOV%sT 1992 Jan 19 2:00s 7:00 Russia NOV%sT 1993 May 23 # say Shanks & P. - 6:00 Russia NOV%sT 2011 Mar 27 2:00s + 6:00 Russia NOV%sT 2002 May 1 3:00 7:00 - NOVT 2014 Oct 26 2:00s 6:00 - NOVT -- 2.5.0