Asia/Barnaul

Time zone identifier: Asia/Barnaul

Current civil offset: +07:00 (+07)

Current DST state: Observing Standard Time

First standard time adoption: Adopted on 1919-12-09

Local Mean Time (LMT): +05:35 based on geographic meridian

Total recorded transitions: 67 transitions across 4 distinct offsets

Associated countries: RU

Historical Offset Step Chart (1880 to Present)

Text summary: Asia/Barnaul shifted between 4 distinct offsets from 1919-12-09 through the modern era.

Complete Transition History (67 Transitions)

UTC Instant	Local Wall Time	Shift	Abbreviation	DST	Effect
`1919-12-09T18:25:00Z`	`1919-12-10 00:25:00`	+05:35 → +06:00	`+06`	No	gap
`1930-06-20T18:00:00Z`	`1930-06-21 01:00:00`	+06:00 → +07:00	`+07`	No	gap
`1981-03-31T17:00:00Z`	`1981-04-01 01:00:00`	+07:00 → +08:00	`+08`	Yes	gap
`1981-09-30T16:00:00Z`	`1981-09-30 23:00:00`	+08:00 → +07:00	`+07`	No	overlap
`1982-03-31T17:00:00Z`	`1982-04-01 01:00:00`	+07:00 → +08:00	`+08`	Yes	gap
`1982-09-30T16:00:00Z`	`1982-09-30 23:00:00`	+08:00 → +07:00	`+07`	No	overlap
`1983-03-31T17:00:00Z`	`1983-04-01 01:00:00`	+07:00 → +08:00	`+08`	Yes	gap
`1983-09-30T16:00:00Z`	`1983-09-30 23:00:00`	+08:00 → +07:00	`+07`	No	overlap
`1984-03-31T17:00:00Z`	`1984-04-01 01:00:00`	+07:00 → +08:00	`+08`	Yes	gap
`1984-09-29T19:00:00Z`	`1984-09-30 02:00:00`	+08:00 → +07:00	`+07`	No	overlap
`1985-03-30T19:00:00Z`	`1985-03-31 03:00:00`	+07:00 → +08:00	`+08`	Yes	gap
`1985-09-28T19:00:00Z`	`1985-09-29 02:00:00`	+08:00 → +07:00	`+07`	No	overlap
`1986-03-29T19:00:00Z`	`1986-03-30 03:00:00`	+07:00 → +08:00	`+08`	Yes	gap
`1986-09-27T19:00:00Z`	`1986-09-28 02:00:00`	+08:00 → +07:00	`+07`	No	overlap
`1987-03-28T19:00:00Z`	`1987-03-29 03:00:00`	+07:00 → +08:00	`+08`	Yes	gap
`1987-09-26T19:00:00Z`	`1987-09-27 02:00:00`	+08:00 → +07:00	`+07`	No	overlap
`1988-03-26T19:00:00Z`	`1988-03-27 03:00:00`	+07:00 → +08:00	`+08`	Yes	gap
`1988-09-24T19:00:00Z`	`1988-09-25 02:00:00`	+08:00 → +07:00	`+07`	No	overlap
`1989-03-25T19:00:00Z`	`1989-03-26 03:00:00`	+07:00 → +08:00	`+08`	Yes	gap
`1989-09-23T19:00:00Z`	`1989-09-24 02:00:00`	+08:00 → +07:00	`+07`	No	overlap
`1990-03-24T19:00:00Z`	`1990-03-25 03:00:00`	+07:00 → +08:00	`+08`	Yes	gap
`1990-09-29T19:00:00Z`	`1990-09-30 02:00:00`	+08:00 → +07:00	`+07`	No	overlap
`1991-03-30T19:00:00Z`	`1991-03-31 02:00:00`	+07:00 → +07:00	`+07`	Yes	offset-only
`1991-09-28T20:00:00Z`	`1991-09-29 02:00:00`	+07:00 → +06:00	`+06`	No	overlap
`1992-01-18T20:00:00Z`	`1992-01-19 03:00:00`	+06:00 → +07:00	`+07`	No	gap
`1992-03-28T19:00:00Z`	`1992-03-29 03:00:00`	+07:00 → +08:00	`+08`	Yes	gap
`1992-09-26T19:00:00Z`	`1992-09-27 02:00:00`	+08:00 → +07:00	`+07`	No	overlap
`1993-03-27T19:00:00Z`	`1993-03-28 03:00:00`	+07:00 → +08:00	`+08`	Yes	gap
`1993-09-25T19:00:00Z`	`1993-09-26 02:00:00`	+08:00 → +07:00	`+07`	No	overlap
`1994-03-26T19:00:00Z`	`1994-03-27 03:00:00`	+07:00 → +08:00	`+08`	Yes	gap
`1994-09-24T19:00:00Z`	`1994-09-25 02:00:00`	+08:00 → +07:00	`+07`	No	overlap
`1995-03-25T19:00:00Z`	`1995-03-26 03:00:00`	+07:00 → +08:00	`+08`	Yes	gap
`1995-05-27T16:00:00Z`	`1995-05-27 23:00:00`	+08:00 → +07:00	`+07`	Yes	overlap
`1995-09-23T20:00:00Z`	`1995-09-24 02:00:00`	+07:00 → +06:00	`+06`	No	overlap
`1996-03-30T20:00:00Z`	`1996-03-31 03:00:00`	+06:00 → +07:00	`+07`	Yes	gap
`1996-10-26T20:00:00Z`	`1996-10-27 02:00:00`	+07:00 → +06:00	`+06`	No	overlap
`1997-03-29T20:00:00Z`	`1997-03-30 03:00:00`	+06:00 → +07:00	`+07`	Yes	gap
`1997-10-25T20:00:00Z`	`1997-10-26 02:00:00`	+07:00 → +06:00	`+06`	No	overlap
`1998-03-28T20:00:00Z`	`1998-03-29 03:00:00`	+06:00 → +07:00	`+07`	Yes	gap
`1998-10-24T20:00:00Z`	`1998-10-25 02:00:00`	+07:00 → +06:00	`+06`	No	overlap
`1999-03-27T20:00:00Z`	`1999-03-28 03:00:00`	+06:00 → +07:00	`+07`	Yes	gap
`1999-10-30T20:00:00Z`	`1999-10-31 02:00:00`	+07:00 → +06:00	`+06`	No	overlap
`2000-03-25T20:00:00Z`	`2000-03-26 03:00:00`	+06:00 → +07:00	`+07`	Yes	gap
`2000-10-28T20:00:00Z`	`2000-10-29 02:00:00`	+07:00 → +06:00	`+06`	No	overlap
`2001-03-24T20:00:00Z`	`2001-03-25 03:00:00`	+06:00 → +07:00	`+07`	Yes	gap
`2001-10-27T20:00:00Z`	`2001-10-28 02:00:00`	+07:00 → +06:00	`+06`	No	overlap
`2002-03-30T20:00:00Z`	`2002-03-31 03:00:00`	+06:00 → +07:00	`+07`	Yes	gap
`2002-10-26T20:00:00Z`	`2002-10-27 02:00:00`	+07:00 → +06:00	`+06`	No	overlap
`2003-03-29T20:00:00Z`	`2003-03-30 03:00:00`	+06:00 → +07:00	`+07`	Yes	gap
`2003-10-25T20:00:00Z`	`2003-10-26 02:00:00`	+07:00 → +06:00	`+06`	No	overlap
`2004-03-27T20:00:00Z`	`2004-03-28 03:00:00`	+06:00 → +07:00	`+07`	Yes	gap
`2004-10-30T20:00:00Z`	`2004-10-31 02:00:00`	+07:00 → +06:00	`+06`	No	overlap
`2005-03-26T20:00:00Z`	`2005-03-27 03:00:00`	+06:00 → +07:00	`+07`	Yes	gap
`2005-10-29T20:00:00Z`	`2005-10-30 02:00:00`	+07:00 → +06:00	`+06`	No	overlap
`2006-03-25T20:00:00Z`	`2006-03-26 03:00:00`	+06:00 → +07:00	`+07`	Yes	gap
`2006-10-28T20:00:00Z`	`2006-10-29 02:00:00`	+07:00 → +06:00	`+06`	No	overlap
`2007-03-24T20:00:00Z`	`2007-03-25 03:00:00`	+06:00 → +07:00	`+07`	Yes	gap
`2007-10-27T20:00:00Z`	`2007-10-28 02:00:00`	+07:00 → +06:00	`+06`	No	overlap
`2008-03-29T20:00:00Z`	`2008-03-30 03:00:00`	+06:00 → +07:00	`+07`	Yes	gap
`2008-10-25T20:00:00Z`	`2008-10-26 02:00:00`	+07:00 → +06:00	`+06`	No	overlap
`2009-03-28T20:00:00Z`	`2009-03-29 03:00:00`	+06:00 → +07:00	`+07`	Yes	gap
`2009-10-24T20:00:00Z`	`2009-10-25 02:00:00`	+07:00 → +06:00	`+06`	No	overlap
`2010-03-27T20:00:00Z`	`2010-03-28 03:00:00`	+06:00 → +07:00	`+07`	Yes	gap
`2010-10-30T20:00:00Z`	`2010-10-31 02:00:00`	+07:00 → +06:00	`+06`	No	overlap
`2011-03-26T20:00:00Z`	`2011-03-27 03:00:00`	+06:00 → +07:00	`+07`	No	gap
`2014-10-25T19:00:00Z`	`2014-10-26 01:00:00`	+07:00 → +06:00	`+06`	No	overlap
`2016-03-26T20:00:00Z`	`2016-03-27 03:00:00`	+06:00 → +07:00	`+07`	No	gap

Notes from the Maintainers

Source: europe (Lines 3108 to 3138)

From Paul Eggert (2016-02-22):
Asia/Barnaul covers:
04	RU-AL	Altai Republic
22	RU-ALT	Altai Krai

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.

https://regnum.ru/news/society/1957270.html
has some historical data for Altai Krai:
before 1957: west part on UT+6, east on UT+7
after 1957: UT+7
since 1995: UT+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
by March 27, 2016 at 2am....
Altai Republic / Gorno-Altaysk MSK+3 to MSK+4 (UTC+6 to UTC+7) ...
Altai Krai / Barnaul MSK+3 to MSK+4 (UTC+6 to UTC+7)
From Matt Johnson (2016-03-09):
http://publication.pravo.gov.ru/Document/View/0001201603090043
http://publication.pravo.gov.ru/Document/View/0001201603090038

Attributed Statements:

Paul Eggert (2016-02-22):

Asia/Barnaul covers: 04 RU-AL Altai Republic 22 RU-ALT Altai Krai Data before 1991 are from Shanks & Pottenger.

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. https://regnum.ru/news/society/1957270.html has some historical data for Altai Krai: before 1957: west part on UT+6, east on UT+7 after 1957: UT+7 since 1995: UT+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.

Alexander Krivenyshev (2016-02-17):

Altai Krai and Altai Republic on their way to change time zones by March 27, 2016 at 2am.... Altai Republic / Gorno-Altaysk MSK+3 to MSK+4 (UTC+6 to UTC+7) ... Altai Krai / Barnaul MSK+3 to MSK+4 (UTC+6 to UTC+7)

Matt Johnson (2016-03-09):

http://publication.pravo.gov.ru/Document/View/0001201603090043 http://publication.pravo.gov.ru/Document/View/0001201603090038

Years on Record

Methodology Note: The 1970 Rule

tzdb guarantees accuracy for timestamps from 1970 onwards. Transitions prior to 1970 represent best-effort historical reconstructions.