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Adjust pre-1926 Russian UTC offsets as per Byalokoz 1919.
(Thanks to Vladimir Karpinsky.) * asia (Asia/Tbilisi, Asia/Samarkand): * europe (Europe/Riga, Europe/Samara, Asia/Yekaterinburg, Asia/Omsk) (Asia/Krasnoyarsk, Asia/Irkutsk, Asia/Yakutsk, Asia/Vladivostok): Match Byalokoz 1919 better. * NEWS: Document the above.
This commit is contained in:
Paul Eggert
12
NEWS
12
NEWS
@ -1,5 +1,17 @@
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News for the tz database
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Unreleased, experimental changes
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Changes affecting past time stamps
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Time in Russia or the USSR before 1926 or so has been corrected by
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a few seconds in the following zones: Asia/Irkutsk,
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Asia/Krasnoyarsk, Asia/Omsk, Asia/Samarkand, Asia/Tbilisi,
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Asia/Vladivostok, Asia/Yakutsk, Europe/Riga, Europe/Samara. For
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Asia/Yekaterinburg the correction is a few minutes. (Thanks to
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Vladimir Karpinsky.)
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Release 2014f - 2014-08-05 17:42:36 -0700
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Changes affecting future time stamps
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15
asia
15
asia
@ -28,6 +28,10 @@
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# Milne J. Civil time. Geogr J. 1899 Feb;13(2):173-94
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# <http://www.jstor.org/stable/1774359>.
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#
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# For Russian data circa 1919, a source is:
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# Byalokoz EL. New Counting of Time in Russia since July 1, 1919.
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# (See the 'europe' file for a fuller citation.)
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#
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# A reliable and entertaining source about time zones is
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# Derek Howse, Greenwich time and longitude, Philip Wilson Publishers (1997).
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#
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@ -823,11 +827,13 @@ Link Asia/Nicosia Europe/Nicosia
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# I don't know what can be done, especially knowing that some years ago our
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# DST rules where changed THREE TIMES during one month.
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# Milne says Tbilisi (Tiflis) time was 2:59:05.7; round to nearest.)
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# Milne 1899 says Tbilisi (Tiflis) time was 2:59:05.7.
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# Byalokoz 1919 says Georgia was 2:59:11.
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# Go with Byalokoz.
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# Zone NAME GMTOFF RULES FORMAT [UNTIL]
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Zone Asia/Tbilisi 2:59:06 - LMT 1880
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2:59:06 - TBMT 1924 May 2 # Tbilisi Mean Time
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Zone Asia/Tbilisi 2:59:11 - LMT 1880
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2:59:11 - TBMT 1924 May 2 # Tbilisi Mean Time
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3:00 - TBIT 1957 Mar # Tbilisi Time
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4:00 RussiaAsia TBI%sT 1991 Mar 31 2:00s
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3:00 1:00 TBIST 1991 Apr 9 # independence
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@ -2744,8 +2750,9 @@ Zone Asia/Dubai 3:41:12 - LMT 1920
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4:00 - GST
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# Uzbekistan
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# Byalokoz 1919 says Uzbekistan was 4:27:53.
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# Zone NAME GMTOFF RULES FORMAT [UNTIL]
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Zone Asia/Samarkand 4:27:12 - LMT 1924 May 2
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Zone Asia/Samarkand 4:27:53 - LMT 1924 May 2
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4:00 - SAMT 1930 Jun 21 # Samarkand Time
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5:00 - SAMT 1981 Apr 1
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5:00 1:00 SAMST 1981 Oct 1
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70
europe
70
europe
@ -38,6 +38,16 @@
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# may be sent to Mr. John Milne, Royal Geographical Society,
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# Savile Row, London." Nowadays please email them to tz@iana.org.
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#
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# Byalokoz EL. New Counting of Time in Russia since July 1, 1919.
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# This Russian-language source was consulted by Vladimir Karpinsky; see
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# http://mm.icann.org/pipermail/tz/2014-August/021320.html
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# The full Russian citation is:
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# Бялокоз, Евгений Людвигович. Новый счет времени в течении суток
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# введенный декретом Совета народных комиссаров для всей России с 1-го
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# июля 1919 г. / Изд. 2-е Междуведомственной комиссии. - Петроград:
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# Десятая гос. тип., 1919.
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# http://resolver.gpntb.ru/purl?docushare/dsweb/Get/Resource-2011/Byalokoz__E.L.__Novyy__schet__vremeni__v__techenie__sutok__izd__2(1).pdf
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#
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# Brazil's Divisão Serviço da Hora (DSHO),
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# History of Summer Time
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# <http://pcdsh01.on.br/HISTHV.htm>
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@ -1549,15 +1559,17 @@ Link Europe/Rome Europe/San_Marino
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Rule Latvia 1989 1996 - Mar lastSun 2:00s 1:00 S
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Rule Latvia 1989 1996 - Sep lastSun 2:00s 0 -
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# Milne says Riga time was 1:36:28 (Polytechnique House time).
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# Milne 1899 says Riga was 1:36:28 (Polytechnique House time).
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# Byalokoz 1919 says Latvia was 1:36:34.
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# Go with Byalokoz.
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# Zone NAME GMTOFF RULES FORMAT [UNTIL]
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Zone Europe/Riga 1:36:28 - LMT 1880
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1:36:28 - RMT 1918 Apr 15 2:00 #Riga Mean Time
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1:36:28 1:00 LST 1918 Sep 16 3:00 #Latvian Summer
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1:36:28 - RMT 1919 Apr 1 2:00
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1:36:28 1:00 LST 1919 May 22 3:00
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1:36:28 - RMT 1926 May 11
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Zone Europe/Riga 1:36:34 - LMT 1880
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1:36:34 - RMT 1918 Apr 15 2:00 #Riga Mean Time
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1:36:34 1:00 LST 1918 Sep 16 3:00 #Latvian Summer
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1:36:34 - RMT 1919 Apr 1 2:00
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1:36:34 1:00 LST 1919 May 22 3:00
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1:36:34 - RMT 1926 May 11
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2:00 - EET 1940 Aug 5
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3:00 - MSK 1941 Jul
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1:00 C-Eur CE%sT 1944 Oct 13
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@ -2274,9 +2286,9 @@ Zone Europe/Kaliningrad 1:22:00 - LMT 1893 Apr
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# LMT in Moscow (before Jul 3, 1916) is 2:30:17, that was defined by Moscow
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# Observatory (coordinates: 55 deg. 45'29.70", 37 deg. 34'05.30")....
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# LMT in Moscow since Jul 3, 1916 is 2:31:01 as a result of new standard.
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# (The info is from the book by Byalokoz E.L. New Counting of Time in Russia
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# since July 1, 1919, p. 18.) The time in St. Petersburg as capital of Russia
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# was defined by Pulkov observatory, near St. Petersburg. In 1916 LMT Moscow
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# (The info is from the book by Byalokoz ... p. 18.)
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# The time in St. Petersburg as capital of Russia was defined by
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# Pulkov observatory, near St. Petersburg. In 1916 LMT Moscow
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# was synchronized with LMT St. Petersburg (+30 minutes), (Pulkov observatory
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# coordinates: 59 deg. 46'18.70", 30 deg. 19'40.70") so 30 deg. 19'40.70" >
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# 2h01m18.7s = 2:01:19. LMT Moscow = LMT St.Petersburg + 30m 2:01:19 + 0:30 =
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@ -2371,7 +2383,9 @@ Zone Europe/Volgograd 2:57:40 - LMT 1920 Jan 3
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# 18 RU-UD Udmurt Republic
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# 63 RU-SAM Samara Oblast
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Zone Europe/Samara 3:20:36 - LMT 1919 Jul 1 2:00
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# Byalokoz 1919 says Samara was 3:20:20.
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Zone Europe/Samara 3:20:20 - LMT 1919 Jul 1 2:00
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3:00 - SAMT 1930 Jun 21
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4:00 - SAMT 1935 Jan 27
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4:00 Russia KUY%sT 1989 Mar 26 2:00s # Kuybyshev
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@ -2398,9 +2412,13 @@ Zone Europe/Samara 3:20:36 - LMT 1919 Jul 1 2:00
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# Note: Effective 2005-12-01, (59) Perm Oblast and (81) Komi-Permyak
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# Autonomous Okrug merged to form (90, RU-PER) Perm Krai.
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# Milne says Yekaterinburg time was 4:02:32.9; round to nearest.
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# Milne says Yekaterinburg was 4:02:32.9; round to nearest.
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# Byalokoz 1919 says its provincial time was based on Perm, at 3:45:05.
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# Assume it switched on 1916-07-03, the time of the new standard.
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# The 1919 and 1930 transitions are from Shanks.
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Zone Asia/Yekaterinburg 4:02:33 - LMT 1919 Jul 15 4:00
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Zone Asia/Yekaterinburg 4:02:33 - LMT 1916 Jul 3
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3:45:05 - PMT 1919 Jul 15 4:00
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4:00 - SVET 1930 Jun 21 # Sverdlovsk Time
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5:00 Russia SVE%sT 1991 Mar 31 2:00s
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4:00 Russia SVE%sT 1992 Jan 19 2:00s
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@ -2415,7 +2433,9 @@ Zone Asia/Yekaterinburg 4:02:33 - LMT 1919 Jul 15 4:00
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# 22 RU-ALT Altai Krai
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# 55 RU-OMS Omsk Oblast
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Zone Asia/Omsk 4:53:36 - LMT 1919 Nov 14
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# Byalokoz 1919 says Omsk was 4:53:30.
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Zone Asia/Omsk 4:53:30 - LMT 1919 Nov 14
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5:00 - OMST 1930 Jun 21 # Omsk Time
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6:00 Russia OMS%sT 1991 Mar 31 2:00s
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5:00 Russia OMS%sT 1992 Jan 19 2:00s
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@ -2491,7 +2511,9 @@ Zone Asia/Novokuznetsk 5:48:48 - NMT 1920 Jan 6
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# Note: Effective 2007-01-01, (88) Evenk Autonomous Okrug and (84) Taymyr
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# Autonomous Okrug were merged into (24, RU-KYA) Krasnoyarsk Krai.
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Zone Asia/Krasnoyarsk 6:11:20 - LMT 1920 Jan 6
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# Byalokoz 1919 says Krasnoyarsk was 6:11:26.
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Zone Asia/Krasnoyarsk 6:11:26 - LMT 1920 Jan 6
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6:00 - KRAT 1930 Jun 21 # Krasnoyarsk Time
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7:00 Russia KRA%sT 1991 Mar 31 2:00s
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6:00 Russia KRA%sT 1992 Jan 19 2:00s
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@ -2508,10 +2530,12 @@ Zone Asia/Krasnoyarsk 6:11:20 - LMT 1920 Jan 6
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# Note: Effective 2008-01-01, (85) Ust-Orda Buryat Autonomous Okrug was
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# merged into (38, RU-IRK) Irkutsk Oblast.
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# Milne says Irkutsk time was 6:57:15.
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# Milne 1899 says Irkutsk was 6:57:15.
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# Byalokoz 1919 says Irkutsk was 6:57:05.
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# Go with Byalokoz.
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Zone Asia/Irkutsk 6:57:15 - LMT 1880
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6:57:15 - IMT 1920 Jan 25 # Irkutsk Mean Time
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Zone Asia/Irkutsk 6:57:05 - LMT 1880
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6:57:05 - IMT 1920 Jan 25 # Irkutsk Mean Time
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7:00 - IRKT 1930 Jun 21 # Irkutsk Time
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8:00 Russia IRK%sT 1991 Mar 31 2:00s
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7:00 Russia IRK%sT 1992 Jan 19 2:00s
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@ -2570,7 +2594,9 @@ Zone Asia/Chita 7:33:52 - LMT 1919 Dec 15
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# Since the surrounding districts of Sakha are all YAKT, assume this is, too.
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# Also assume its history has been the same as the rest of Asia/Yakutsk.
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Zone Asia/Yakutsk 8:38:40 - LMT 1919 Dec 15
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# Byalokoz 1919 says Yakutsk was 8:38:58.
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Zone Asia/Yakutsk 8:38:58 - LMT 1919 Dec 15
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8:00 - YAKT 1930 Jun 21 # Yakutsk Time
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9:00 Russia YAK%sT 1991 Mar 31 2:00s
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8:00 Russia YAK%sT 1992 Jan 19 2:00s
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@ -2589,9 +2615,11 @@ Zone Asia/Yakutsk 8:38:40 - LMT 1919 Dec 15
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# 14-09 **** Verkhoyansky District
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# 14-31 **** Ust-Yansky District
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# Milne says Vladivostok time was 8:47:33.5; round to nearest.
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# Milne 1899 says Vladivostok was 8:47:33.5.
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# Byalokoz 1919 says Vladivostok was 8:47:31.
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# Go with Byalokoz.
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Zone Asia/Vladivostok 8:47:34 - LMT 1922 Nov 15
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Zone Asia/Vladivostok 8:47:31 - LMT 1922 Nov 15
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9:00 - VLAT 1930 Jun 21 # Vladivostok Time
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10:00 Russia VLA%sT 1991 Mar 31 2:00s
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9:00 Russia VLA%sT 1992 Jan 19 2:00s
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