Zone NAME STDOFF RULES FORMAT [UNTIL]
Atlantic/Stanley
Time zone identifier: Atlantic/Stanley
Current civil offset: -03:00 (-03)
Current DST state: Observing Standard Time
First standard time adoption: Adopted on 1890-01-01
Local Mean Time (LMT): -03:51:24 based on geographic meridian
Total recorded transitions: 70 transitions across 4 distinct offsets
Associated countries: FK
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Historical Offset Step Chart (1880 to Present)
Text summary: Atlantic/Stanley shifted between 4 distinct offsets from 1890-01-01 through the modern era.
Complete Transition History (70 Transitions)
| UTC Instant | Local Wall Time | Shift | Abbreviation | DST | Effect |
|---|---|---|---|---|---|
1890-01-01T03:51:24Z | 1890-01-01 00:00:00 | -03:51:24 → -03:51:24 | SMT | No | offset-only |
1912-03-12T03:51:24Z | 1912-03-11 23:51:24 | -03:51:24 → -04:00 | -04 | No | overlap |
1937-09-26T04:00:00Z | 1937-09-26 01:00:00 | -04:00 → -03:00 | -03 | Yes | gap |
1938-03-20T03:00:00Z | 1938-03-19 23:00:00 | -03:00 → -04:00 | -04 | No | overlap |
1938-09-25T04:00:00Z | 1938-09-25 01:00:00 | -04:00 → -03:00 | -03 | Yes | gap |
1939-03-19T03:00:00Z | 1939-03-18 23:00:00 | -03:00 → -04:00 | -04 | No | overlap |
1939-10-01T04:00:00Z | 1939-10-01 01:00:00 | -04:00 → -03:00 | -03 | Yes | gap |
1940-03-24T03:00:00Z | 1940-03-23 23:00:00 | -03:00 → -04:00 | -04 | No | overlap |
1940-09-29T04:00:00Z | 1940-09-29 01:00:00 | -04:00 → -03:00 | -03 | Yes | gap |
1941-03-23T03:00:00Z | 1941-03-22 23:00:00 | -03:00 → -04:00 | -04 | No | overlap |
1941-09-28T04:00:00Z | 1941-09-28 01:00:00 | -04:00 → -03:00 | -03 | Yes | gap |
1942-03-22T03:00:00Z | 1942-03-21 23:00:00 | -03:00 → -04:00 | -04 | No | overlap |
1942-09-27T04:00:00Z | 1942-09-27 01:00:00 | -04:00 → -03:00 | -03 | Yes | gap |
1943-01-01T03:00:00Z | 1942-12-31 23:00:00 | -03:00 → -04:00 | -04 | No | overlap |
1983-05-01T04:00:00Z | 1983-05-01 01:00:00 | -04:00 → -03:00 | -03 | No | gap |
1983-09-25T03:00:00Z | 1983-09-25 01:00:00 | -03:00 → -02:00 | -02 | Yes | gap |
1984-04-29T02:00:00Z | 1984-04-28 23:00:00 | -02:00 → -03:00 | -03 | No | overlap |
1984-09-16T03:00:00Z | 1984-09-16 01:00:00 | -03:00 → -02:00 | -02 | Yes | gap |
1985-04-28T02:00:00Z | 1985-04-27 23:00:00 | -02:00 → -03:00 | -03 | No | overlap |
1985-09-15T03:00:00Z | 1985-09-15 00:00:00 | -03:00 → -03:00 | -03 | Yes | offset-only |
1986-04-20T03:00:00Z | 1986-04-19 23:00:00 | -03:00 → -04:00 | -04 | No | overlap |
1986-09-14T04:00:00Z | 1986-09-14 01:00:00 | -04:00 → -03:00 | -03 | Yes | gap |
1987-04-19T03:00:00Z | 1987-04-18 23:00:00 | -03:00 → -04:00 | -04 | No | overlap |
1987-09-13T04:00:00Z | 1987-09-13 01:00:00 | -04:00 → -03:00 | -03 | Yes | gap |
1988-04-17T03:00:00Z | 1988-04-16 23:00:00 | -03:00 → -04:00 | -04 | No | overlap |
1988-09-11T04:00:00Z | 1988-09-11 01:00:00 | -04:00 → -03:00 | -03 | Yes | gap |
1989-04-16T03:00:00Z | 1989-04-15 23:00:00 | -03:00 → -04:00 | -04 | No | overlap |
1989-09-10T04:00:00Z | 1989-09-10 01:00:00 | -04:00 → -03:00 | -03 | Yes | gap |
1990-04-22T03:00:00Z | 1990-04-21 23:00:00 | -03:00 → -04:00 | -04 | No | overlap |
1990-09-09T04:00:00Z | 1990-09-09 01:00:00 | -04:00 → -03:00 | -03 | Yes | gap |
1991-04-21T03:00:00Z | 1991-04-20 23:00:00 | -03:00 → -04:00 | -04 | No | overlap |
1991-09-15T04:00:00Z | 1991-09-15 01:00:00 | -04:00 → -03:00 | -03 | Yes | gap |
1992-04-19T03:00:00Z | 1992-04-18 23:00:00 | -03:00 → -04:00 | -04 | No | overlap |
1992-09-13T04:00:00Z | 1992-09-13 01:00:00 | -04:00 → -03:00 | -03 | Yes | gap |
1993-04-18T03:00:00Z | 1993-04-17 23:00:00 | -03:00 → -04:00 | -04 | No | overlap |
1993-09-12T04:00:00Z | 1993-09-12 01:00:00 | -04:00 → -03:00 | -03 | Yes | gap |
1994-04-17T03:00:00Z | 1994-04-16 23:00:00 | -03:00 → -04:00 | -04 | No | overlap |
1994-09-11T04:00:00Z | 1994-09-11 01:00:00 | -04:00 → -03:00 | -03 | Yes | gap |
1995-04-16T03:00:00Z | 1995-04-15 23:00:00 | -03:00 → -04:00 | -04 | No | overlap |
1995-09-10T04:00:00Z | 1995-09-10 01:00:00 | -04:00 → -03:00 | -03 | Yes | gap |
1996-04-21T03:00:00Z | 1996-04-20 23:00:00 | -03:00 → -04:00 | -04 | No | overlap |
1996-09-15T04:00:00Z | 1996-09-15 01:00:00 | -04:00 → -03:00 | -03 | Yes | gap |
1997-04-20T03:00:00Z | 1997-04-19 23:00:00 | -03:00 → -04:00 | -04 | No | overlap |
1997-09-14T04:00:00Z | 1997-09-14 01:00:00 | -04:00 → -03:00 | -03 | Yes | gap |
1998-04-19T03:00:00Z | 1998-04-18 23:00:00 | -03:00 → -04:00 | -04 | No | overlap |
1998-09-13T04:00:00Z | 1998-09-13 01:00:00 | -04:00 → -03:00 | -03 | Yes | gap |
1999-04-18T03:00:00Z | 1999-04-17 23:00:00 | -03:00 → -04:00 | -04 | No | overlap |
1999-09-12T04:00:00Z | 1999-09-12 01:00:00 | -04:00 → -03:00 | -03 | Yes | gap |
2000-04-16T03:00:00Z | 2000-04-15 23:00:00 | -03:00 → -04:00 | -04 | No | overlap |
2000-09-10T04:00:00Z | 2000-09-10 01:00:00 | -04:00 → -03:00 | -03 | Yes | gap |
2001-04-15T05:00:00Z | 2001-04-15 01:00:00 | -03:00 → -04:00 | -04 | No | overlap |
2001-09-02T06:00:00Z | 2001-09-02 03:00:00 | -04:00 → -03:00 | -03 | Yes | gap |
2002-04-21T05:00:00Z | 2002-04-21 01:00:00 | -03:00 → -04:00 | -04 | No | overlap |
2002-09-01T06:00:00Z | 2002-09-01 03:00:00 | -04:00 → -03:00 | -03 | Yes | gap |
2003-04-20T05:00:00Z | 2003-04-20 01:00:00 | -03:00 → -04:00 | -04 | No | overlap |
2003-09-07T06:00:00Z | 2003-09-07 03:00:00 | -04:00 → -03:00 | -03 | Yes | gap |
2004-04-18T05:00:00Z | 2004-04-18 01:00:00 | -03:00 → -04:00 | -04 | No | overlap |
2004-09-05T06:00:00Z | 2004-09-05 03:00:00 | -04:00 → -03:00 | -03 | Yes | gap |
2005-04-17T05:00:00Z | 2005-04-17 01:00:00 | -03:00 → -04:00 | -04 | No | overlap |
2005-09-04T06:00:00Z | 2005-09-04 03:00:00 | -04:00 → -03:00 | -03 | Yes | gap |
2006-04-16T05:00:00Z | 2006-04-16 01:00:00 | -03:00 → -04:00 | -04 | No | overlap |
2006-09-03T06:00:00Z | 2006-09-03 03:00:00 | -04:00 → -03:00 | -03 | Yes | gap |
2007-04-15T05:00:00Z | 2007-04-15 01:00:00 | -03:00 → -04:00 | -04 | No | overlap |
2007-09-02T06:00:00Z | 2007-09-02 03:00:00 | -04:00 → -03:00 | -03 | Yes | gap |
2008-04-20T05:00:00Z | 2008-04-20 01:00:00 | -03:00 → -04:00 | -04 | No | overlap |
2008-09-07T06:00:00Z | 2008-09-07 03:00:00 | -04:00 → -03:00 | -03 | Yes | gap |
2009-04-19T05:00:00Z | 2009-04-19 01:00:00 | -03:00 → -04:00 | -04 | No | overlap |
2009-09-06T06:00:00Z | 2009-09-06 03:00:00 | -04:00 → -03:00 | -03 | Yes | gap |
2010-04-18T05:00:00Z | 2010-04-18 01:00:00 | -03:00 → -04:00 | -04 | No | overlap |
2010-09-05T06:00:00Z | 2010-09-05 03:00:00 | -04:00 → -03:00 | -03 | No | gap |
Notes from the Maintainers
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.
southamerica(Lines 1621 to 1621)