Mexico/General

Time zone identifier: Mexico/General

Current civil offset: -06:00 (CST)

Current DST state: Observing Standard Time

First standard time adoption: Adopted on 1922-01-01

Local Mean Time (LMT): -06:36:36 based on geographic meridian

Total recorded transitions: 68 transitions across 4 distinct offsets

Historical Offset Step Chart (1880 to Present)

Text summary: Mexico/General shifted between 4 distinct offsets from 1922-01-01 through the modern era.

Complete Transition History (68 Transitions)

UTC Instant	Local Wall Time	Shift	Abbreviation	DST	Effect
`1922-01-01T07:00:00Z`	`1922-01-01 00:00:00`	-06:36:36 → -07:00	`MST`	No	overlap
`1927-06-10T07:00:00Z`	`1927-06-10 01:00:00`	-07:00 → -06:00	`CST`	No	gap
`1930-11-15T06:00:00Z`	`1930-11-14 23:00:00`	-06:00 → -07:00	`MST`	No	overlap
`1931-04-30T07:00:00Z`	`1931-04-30 01:00:00`	-07:00 → -06:00	`MDT`	Yes	gap
`1931-10-01T06:00:00Z`	`1931-09-30 23:00:00`	-06:00 → -07:00	`MST`	No	overlap
`1932-04-01T07:00:00Z`	`1932-04-01 01:00:00`	-07:00 → -06:00	`CST`	No	gap
`1939-02-05T06:00:00Z`	`1939-02-05 01:00:00`	-06:00 → -05:00	`CDT`	Yes	gap
`1939-06-25T05:00:00Z`	`1939-06-24 23:00:00`	-05:00 → -06:00	`CST`	No	overlap
`1940-12-09T06:00:00Z`	`1940-12-09 01:00:00`	-06:00 → -05:00	`CDT`	Yes	gap
`1941-04-01T05:00:00Z`	`1941-03-31 23:00:00`	-05:00 → -06:00	`CST`	No	overlap
`1943-12-16T06:00:00Z`	`1943-12-16 01:00:00`	-06:00 → -05:00	`CWT`	Yes	gap
`1944-05-01T05:00:00Z`	`1944-04-30 23:00:00`	-05:00 → -06:00	`CST`	No	overlap
`1950-02-12T06:00:00Z`	`1950-02-12 01:00:00`	-06:00 → -05:00	`CDT`	Yes	gap
`1950-07-30T05:00:00Z`	`1950-07-29 23:00:00`	-05:00 → -06:00	`CST`	No	overlap
`1996-04-07T08:00:00Z`	`1996-04-07 03:00:00`	-06:00 → -05:00	`CDT`	Yes	gap
`1996-10-27T07:00:00Z`	`1996-10-27 01:00:00`	-05:00 → -06:00	`CST`	No	overlap
`1997-04-06T08:00:00Z`	`1997-04-06 03:00:00`	-06:00 → -05:00	`CDT`	Yes	gap
`1997-10-26T07:00:00Z`	`1997-10-26 01:00:00`	-05:00 → -06:00	`CST`	No	overlap
`1998-04-05T08:00:00Z`	`1998-04-05 03:00:00`	-06:00 → -05:00	`CDT`	Yes	gap
`1998-10-25T07:00:00Z`	`1998-10-25 01:00:00`	-05:00 → -06:00	`CST`	No	overlap
`1999-04-04T08:00:00Z`	`1999-04-04 03:00:00`	-06:00 → -05:00	`CDT`	Yes	gap
`1999-10-31T07:00:00Z`	`1999-10-31 01:00:00`	-05:00 → -06:00	`CST`	No	overlap
`2000-04-02T08:00:00Z`	`2000-04-02 03:00:00`	-06:00 → -05:00	`CDT`	Yes	gap
`2000-10-29T07:00:00Z`	`2000-10-29 01:00:00`	-05:00 → -06:00	`CST`	No	overlap
`2001-05-06T08:00:00Z`	`2001-05-06 03:00:00`	-06:00 → -05:00	`CDT`	Yes	gap
`2001-09-30T07:00:00Z`	`2001-09-30 01:00:00`	-05:00 → -06:00	`CST`	No	overlap
`2002-04-07T08:00:00Z`	`2002-04-07 03:00:00`	-06:00 → -05:00	`CDT`	Yes	gap
`2002-10-27T07:00:00Z`	`2002-10-27 01:00:00`	-05:00 → -06:00	`CST`	No	overlap
`2003-04-06T08:00:00Z`	`2003-04-06 03:00:00`	-06:00 → -05:00	`CDT`	Yes	gap
`2003-10-26T07:00:00Z`	`2003-10-26 01:00:00`	-05:00 → -06:00	`CST`	No	overlap
`2004-04-04T08:00:00Z`	`2004-04-04 03:00:00`	-06:00 → -05:00	`CDT`	Yes	gap
`2004-10-31T07:00:00Z`	`2004-10-31 01:00:00`	-05:00 → -06:00	`CST`	No	overlap
`2005-04-03T08:00:00Z`	`2005-04-03 03:00:00`	-06:00 → -05:00	`CDT`	Yes	gap
`2005-10-30T07:00:00Z`	`2005-10-30 01:00:00`	-05:00 → -06:00	`CST`	No	overlap
`2006-04-02T08:00:00Z`	`2006-04-02 03:00:00`	-06:00 → -05:00	`CDT`	Yes	gap
`2006-10-29T07:00:00Z`	`2006-10-29 01:00:00`	-05:00 → -06:00	`CST`	No	overlap
`2007-04-01T08:00:00Z`	`2007-04-01 03:00:00`	-06:00 → -05:00	`CDT`	Yes	gap
`2007-10-28T07:00:00Z`	`2007-10-28 01:00:00`	-05:00 → -06:00	`CST`	No	overlap
`2008-04-06T08:00:00Z`	`2008-04-06 03:00:00`	-06:00 → -05:00	`CDT`	Yes	gap
`2008-10-26T07:00:00Z`	`2008-10-26 01:00:00`	-05:00 → -06:00	`CST`	No	overlap
`2009-04-05T08:00:00Z`	`2009-04-05 03:00:00`	-06:00 → -05:00	`CDT`	Yes	gap
`2009-10-25T07:00:00Z`	`2009-10-25 01:00:00`	-05:00 → -06:00	`CST`	No	overlap
`2010-04-04T08:00:00Z`	`2010-04-04 03:00:00`	-06:00 → -05:00	`CDT`	Yes	gap
`2010-10-31T07:00:00Z`	`2010-10-31 01:00:00`	-05:00 → -06:00	`CST`	No	overlap
`2011-04-03T08:00:00Z`	`2011-04-03 03:00:00`	-06:00 → -05:00	`CDT`	Yes	gap
`2011-10-30T07:00:00Z`	`2011-10-30 01:00:00`	-05:00 → -06:00	`CST`	No	overlap
`2012-04-01T08:00:00Z`	`2012-04-01 03:00:00`	-06:00 → -05:00	`CDT`	Yes	gap
`2012-10-28T07:00:00Z`	`2012-10-28 01:00:00`	-05:00 → -06:00	`CST`	No	overlap
`2013-04-07T08:00:00Z`	`2013-04-07 03:00:00`	-06:00 → -05:00	`CDT`	Yes	gap
`2013-10-27T07:00:00Z`	`2013-10-27 01:00:00`	-05:00 → -06:00	`CST`	No	overlap
`2014-04-06T08:00:00Z`	`2014-04-06 03:00:00`	-06:00 → -05:00	`CDT`	Yes	gap
`2014-10-26T07:00:00Z`	`2014-10-26 01:00:00`	-05:00 → -06:00	`CST`	No	overlap
`2015-04-05T08:00:00Z`	`2015-04-05 03:00:00`	-06:00 → -05:00	`CDT`	Yes	gap
`2015-10-25T07:00:00Z`	`2015-10-25 01:00:00`	-05:00 → -06:00	`CST`	No	overlap
`2016-04-03T08:00:00Z`	`2016-04-03 03:00:00`	-06:00 → -05:00	`CDT`	Yes	gap
`2016-10-30T07:00:00Z`	`2016-10-30 01:00:00`	-05:00 → -06:00	`CST`	No	overlap
`2017-04-02T08:00:00Z`	`2017-04-02 03:00:00`	-06:00 → -05:00	`CDT`	Yes	gap
`2017-10-29T07:00:00Z`	`2017-10-29 01:00:00`	-05:00 → -06:00	`CST`	No	overlap
`2018-04-01T08:00:00Z`	`2018-04-01 03:00:00`	-06:00 → -05:00	`CDT`	Yes	gap
`2018-10-28T07:00:00Z`	`2018-10-28 01:00:00`	-05:00 → -06:00	`CST`	No	overlap
`2019-04-07T08:00:00Z`	`2019-04-07 03:00:00`	-06:00 → -05:00	`CDT`	Yes	gap
`2019-10-27T07:00:00Z`	`2019-10-27 01:00:00`	-05:00 → -06:00	`CST`	No	overlap
`2020-04-05T08:00:00Z`	`2020-04-05 03:00:00`	-06:00 → -05:00	`CDT`	Yes	gap
`2020-10-25T07:00:00Z`	`2020-10-25 01:00:00`	-05:00 → -06:00	`CST`	No	overlap
`2021-04-04T08:00:00Z`	`2021-04-04 03:00:00`	-06:00 → -05:00	`CDT`	Yes	gap
`2021-10-31T07:00:00Z`	`2021-10-31 01:00:00`	-05:00 → -06:00	`CST`	No	overlap
`2022-04-03T08:00:00Z`	`2022-04-03 03:00:00`	-06:00 → -05:00	`CDT`	Yes	gap
`2022-10-30T07:00:00Z`	`2022-10-30 01:00:00`	-05:00 → -06:00	`CST`	No	overlap

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.