McMurdo, Ross Island, since 1955-12
Antarctica/McMurdo
Time zone identifier: Antarctica/McMurdo
Current civil offset: +13:00 (NZDT)
Current DST state: Observing Daylight Saving Time
First standard time adoption: Adopted on 1956-01-01
Total recorded transitions: 128 transitions across 3 distinct offsets
Associated countries: AQ
Aliases (Link targets): Antarctica/South_Pole
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Historical Offset Step Chart (1880 to Present)
Text summary: Antarctica/McMurdo shifted between 3 distinct offsets from 1956-01-01 through the modern era.
Complete Transition History (128 Transitions)
| UTC Instant | Local Wall Time | Shift | Abbreviation | DST | Effect |
|---|---|---|---|---|---|
1956-01-01T00:00:00Z | 1956-01-01 12:00:00 | +00:00 → +12:00 | NZST | No | gap |
1974-11-02T14:00:00Z | 1974-11-03 03:00:00 | +12:00 → +13:00 | NZDT | Yes | gap |
1975-02-22T14:00:00Z | 1975-02-23 02:00:00 | +13:00 → +12:00 | NZST | No | overlap |
1975-10-25T14:00:00Z | 1975-10-26 03:00:00 | +12:00 → +13:00 | NZDT | Yes | gap |
1976-03-06T14:00:00Z | 1976-03-07 02:00:00 | +13:00 → +12:00 | NZST | No | overlap |
1976-10-30T14:00:00Z | 1976-10-31 03:00:00 | +12:00 → +13:00 | NZDT | Yes | gap |
1977-03-05T14:00:00Z | 1977-03-06 02:00:00 | +13:00 → +12:00 | NZST | No | overlap |
1977-10-29T14:00:00Z | 1977-10-30 03:00:00 | +12:00 → +13:00 | NZDT | Yes | gap |
1978-03-04T14:00:00Z | 1978-03-05 02:00:00 | +13:00 → +12:00 | NZST | No | overlap |
1978-10-28T14:00:00Z | 1978-10-29 03:00:00 | +12:00 → +13:00 | NZDT | Yes | gap |
1979-03-03T14:00:00Z | 1979-03-04 02:00:00 | +13:00 → +12:00 | NZST | No | overlap |
1979-10-27T14:00:00Z | 1979-10-28 03:00:00 | +12:00 → +13:00 | NZDT | Yes | gap |
1980-03-01T14:00:00Z | 1980-03-02 02:00:00 | +13:00 → +12:00 | NZST | No | overlap |
1980-10-25T14:00:00Z | 1980-10-26 03:00:00 | +12:00 → +13:00 | NZDT | Yes | gap |
1981-02-28T14:00:00Z | 1981-03-01 02:00:00 | +13:00 → +12:00 | NZST | No | overlap |
1981-10-24T14:00:00Z | 1981-10-25 03:00:00 | +12:00 → +13:00 | NZDT | Yes | gap |
1982-03-06T14:00:00Z | 1982-03-07 02:00:00 | +13:00 → +12:00 | NZST | No | overlap |
1982-10-30T14:00:00Z | 1982-10-31 03:00:00 | +12:00 → +13:00 | NZDT | Yes | gap |
1983-03-05T14:00:00Z | 1983-03-06 02:00:00 | +13:00 → +12:00 | NZST | No | overlap |
1983-10-29T14:00:00Z | 1983-10-30 03:00:00 | +12:00 → +13:00 | NZDT | Yes | gap |
1984-03-03T14:00:00Z | 1984-03-04 02:00:00 | +13:00 → +12:00 | NZST | No | overlap |
1984-10-27T14:00:00Z | 1984-10-28 03:00:00 | +12:00 → +13:00 | NZDT | Yes | gap |
1985-03-02T14:00:00Z | 1985-03-03 02:00:00 | +13:00 → +12:00 | NZST | No | overlap |
1985-10-26T14:00:00Z | 1985-10-27 03:00:00 | +12:00 → +13:00 | NZDT | Yes | gap |
1986-03-01T14:00:00Z | 1986-03-02 02:00:00 | +13:00 → +12:00 | NZST | No | overlap |
1986-10-25T14:00:00Z | 1986-10-26 03:00:00 | +12:00 → +13:00 | NZDT | Yes | gap |
1987-02-28T14:00:00Z | 1987-03-01 02:00:00 | +13:00 → +12:00 | NZST | No | overlap |
1987-10-24T14:00:00Z | 1987-10-25 03:00:00 | +12:00 → +13:00 | NZDT | Yes | gap |
1988-03-05T14:00:00Z | 1988-03-06 02:00:00 | +13:00 → +12:00 | NZST | No | overlap |
1988-10-29T14:00:00Z | 1988-10-30 03:00:00 | +12:00 → +13:00 | NZDT | Yes | gap |
1989-03-04T14:00:00Z | 1989-03-05 02:00:00 | +13:00 → +12:00 | NZST | No | overlap |
1989-10-07T14:00:00Z | 1989-10-08 03:00:00 | +12:00 → +13:00 | NZDT | Yes | gap |
1990-03-17T14:00:00Z | 1990-03-18 02:00:00 | +13:00 → +12:00 | NZST | No | overlap |
1990-10-06T14:00:00Z | 1990-10-07 03:00:00 | +12:00 → +13:00 | NZDT | Yes | gap |
1991-03-16T14:00:00Z | 1991-03-17 02:00:00 | +13:00 → +12:00 | NZST | No | overlap |
1991-10-05T14:00:00Z | 1991-10-06 03:00:00 | +12:00 → +13:00 | NZDT | Yes | gap |
1992-03-14T14:00:00Z | 1992-03-15 02:00:00 | +13:00 → +12:00 | NZST | No | overlap |
1992-10-03T14:00:00Z | 1992-10-04 03:00:00 | +12:00 → +13:00 | NZDT | Yes | gap |
1993-03-20T14:00:00Z | 1993-03-21 02:00:00 | +13:00 → +12:00 | NZST | No | overlap |
1993-10-02T14:00:00Z | 1993-10-03 03:00:00 | +12:00 → +13:00 | NZDT | Yes | gap |
1994-03-19T14:00:00Z | 1994-03-20 02:00:00 | +13:00 → +12:00 | NZST | No | overlap |
1994-10-01T14:00:00Z | 1994-10-02 03:00:00 | +12:00 → +13:00 | NZDT | Yes | gap |
1995-03-18T14:00:00Z | 1995-03-19 02:00:00 | +13:00 → +12:00 | NZST | No | overlap |
1995-09-30T14:00:00Z | 1995-10-01 03:00:00 | +12:00 → +13:00 | NZDT | Yes | gap |
1996-03-16T14:00:00Z | 1996-03-17 02:00:00 | +13:00 → +12:00 | NZST | No | overlap |
1996-10-05T14:00:00Z | 1996-10-06 03:00:00 | +12:00 → +13:00 | NZDT | Yes | gap |
1997-03-15T14:00:00Z | 1997-03-16 02:00:00 | +13:00 → +12:00 | NZST | No | overlap |
1997-10-04T14:00:00Z | 1997-10-05 03:00:00 | +12:00 → +13:00 | NZDT | Yes | gap |
1998-03-14T14:00:00Z | 1998-03-15 02:00:00 | +13:00 → +12:00 | NZST | No | overlap |
1998-10-03T14:00:00Z | 1998-10-04 03:00:00 | +12:00 → +13:00 | NZDT | Yes | gap |
1999-03-20T14:00:00Z | 1999-03-21 02:00:00 | +13:00 → +12:00 | NZST | No | overlap |
1999-10-02T14:00:00Z | 1999-10-03 03:00:00 | +12:00 → +13:00 | NZDT | Yes | gap |
2000-03-18T14:00:00Z | 2000-03-19 02:00:00 | +13:00 → +12:00 | NZST | No | overlap |
2000-09-30T14:00:00Z | 2000-10-01 03:00:00 | +12:00 → +13:00 | NZDT | Yes | gap |
2001-03-17T14:00:00Z | 2001-03-18 02:00:00 | +13:00 → +12:00 | NZST | No | overlap |
2001-10-06T14:00:00Z | 2001-10-07 03:00:00 | +12:00 → +13:00 | NZDT | Yes | gap |
2002-03-16T14:00:00Z | 2002-03-17 02:00:00 | +13:00 → +12:00 | NZST | No | overlap |
2002-10-05T14:00:00Z | 2002-10-06 03:00:00 | +12:00 → +13:00 | NZDT | Yes | gap |
2003-03-15T14:00:00Z | 2003-03-16 02:00:00 | +13:00 → +12:00 | NZST | No | overlap |
2003-10-04T14:00:00Z | 2003-10-05 03:00:00 | +12:00 → +13:00 | NZDT | Yes | gap |
2004-03-20T14:00:00Z | 2004-03-21 02:00:00 | +13:00 → +12:00 | NZST | No | overlap |
2004-10-02T14:00:00Z | 2004-10-03 03:00:00 | +12:00 → +13:00 | NZDT | Yes | gap |
2005-03-19T14:00:00Z | 2005-03-20 02:00:00 | +13:00 → +12:00 | NZST | No | overlap |
2005-10-01T14:00:00Z | 2005-10-02 03:00:00 | +12:00 → +13:00 | NZDT | Yes | gap |
2006-03-18T14:00:00Z | 2006-03-19 02:00:00 | +13:00 → +12:00 | NZST | No | overlap |
2006-09-30T14:00:00Z | 2006-10-01 03:00:00 | +12:00 → +13:00 | NZDT | Yes | gap |
2007-03-17T14:00:00Z | 2007-03-18 02:00:00 | +13:00 → +12:00 | NZST | No | overlap |
2007-09-29T14:00:00Z | 2007-09-30 03:00:00 | +12:00 → +13:00 | NZDT | Yes | gap |
2008-04-05T14:00:00Z | 2008-04-06 02:00:00 | +13:00 → +12:00 | NZST | No | overlap |
2008-09-27T14:00:00Z | 2008-09-28 03:00:00 | +12:00 → +13:00 | NZDT | Yes | gap |
2009-04-04T14:00:00Z | 2009-04-05 02:00:00 | +13:00 → +12:00 | NZST | No | overlap |
2009-09-26T14:00:00Z | 2009-09-27 03:00:00 | +12:00 → +13:00 | NZDT | Yes | gap |
2010-04-03T14:00:00Z | 2010-04-04 02:00:00 | +13:00 → +12:00 | NZST | No | overlap |
2010-09-25T14:00:00Z | 2010-09-26 03:00:00 | +12:00 → +13:00 | NZDT | Yes | gap |
2011-04-02T14:00:00Z | 2011-04-03 02:00:00 | +13:00 → +12:00 | NZST | No | overlap |
2011-09-24T14:00:00Z | 2011-09-25 03:00:00 | +12:00 → +13:00 | NZDT | Yes | gap |
2012-03-31T14:00:00Z | 2012-04-01 02:00:00 | +13:00 → +12:00 | NZST | No | overlap |
2012-09-29T14:00:00Z | 2012-09-30 03:00:00 | +12:00 → +13:00 | NZDT | Yes | gap |
2013-04-06T14:00:00Z | 2013-04-07 02:00:00 | +13:00 → +12:00 | NZST | No | overlap |
2013-09-28T14:00:00Z | 2013-09-29 03:00:00 | +12:00 → +13:00 | NZDT | Yes | gap |
2014-04-05T14:00:00Z | 2014-04-06 02:00:00 | +13:00 → +12:00 | NZST | No | overlap |
2014-09-27T14:00:00Z | 2014-09-28 03:00:00 | +12:00 → +13:00 | NZDT | Yes | gap |
2015-04-04T14:00:00Z | 2015-04-05 02:00:00 | +13:00 → +12:00 | NZST | No | overlap |
2015-09-26T14:00:00Z | 2015-09-27 03:00:00 | +12:00 → +13:00 | NZDT | Yes | gap |
2016-04-02T14:00:00Z | 2016-04-03 02:00:00 | +13:00 → +12:00 | NZST | No | overlap |
2016-09-24T14:00:00Z | 2016-09-25 03:00:00 | +12:00 → +13:00 | NZDT | Yes | gap |
2017-04-01T14:00:00Z | 2017-04-02 02:00:00 | +13:00 → +12:00 | NZST | No | overlap |
2017-09-23T14:00:00Z | 2017-09-24 03:00:00 | +12:00 → +13:00 | NZDT | Yes | gap |
2018-03-31T14:00:00Z | 2018-04-01 02:00:00 | +13:00 → +12:00 | NZST | No | overlap |
2018-09-29T14:00:00Z | 2018-09-30 03:00:00 | +12:00 → +13:00 | NZDT | Yes | gap |
2019-04-06T14:00:00Z | 2019-04-07 02:00:00 | +13:00 → +12:00 | NZST | No | overlap |
2019-09-28T14:00:00Z | 2019-09-29 03:00:00 | +12:00 → +13:00 | NZDT | Yes | gap |
2020-04-04T14:00:00Z | 2020-04-05 02:00:00 | +13:00 → +12:00 | NZST | No | overlap |
2020-09-26T14:00:00Z | 2020-09-27 03:00:00 | +12:00 → +13:00 | NZDT | Yes | gap |
2021-04-03T14:00:00Z | 2021-04-04 02:00:00 | +13:00 → +12:00 | NZST | No | overlap |
2021-09-25T14:00:00Z | 2021-09-26 03:00:00 | +12:00 → +13:00 | NZDT | Yes | gap |
2022-04-02T14:00:00Z | 2022-04-03 02:00:00 | +13:00 → +12:00 | NZST | No | overlap |
2022-09-24T14:00:00Z | 2022-09-25 03:00:00 | +12:00 → +13:00 | NZDT | Yes | gap |
2023-04-01T14:00:00Z | 2023-04-02 02:00:00 | +13:00 → +12:00 | NZST | No | overlap |
2023-09-23T14:00:00Z | 2023-09-24 03:00:00 | +12:00 → +13:00 | NZDT | Yes | gap |
2024-04-06T14:00:00Z | 2024-04-07 02:00:00 | +13:00 → +12:00 | NZST | No | overlap |
2024-09-28T14:00:00Z | 2024-09-29 03:00:00 | +12:00 → +13:00 | NZDT | Yes | gap |
2025-04-05T14:00:00Z | 2025-04-06 02:00:00 | +13:00 → +12:00 | NZST | No | overlap |
2025-09-27T14:00:00Z | 2025-09-28 03:00:00 | +12:00 → +13:00 | NZDT | Yes | gap |
2026-04-04T14:00:00Z | 2026-04-05 02:00:00 | +13:00 → +12:00 | NZST | No | overlap |
2026-09-26T14:00:00Z | 2026-09-27 03:00:00 | +12:00 → +13:00 | NZDT | Yes | gap |
2027-04-03T14:00:00Z | 2027-04-04 02:00:00 | +13:00 → +12:00 | NZST | No | overlap |
2027-09-25T14:00:00Z | 2027-09-26 03:00:00 | +12:00 → +13:00 | NZDT | Yes | gap |
2028-04-01T14:00:00Z | 2028-04-02 02:00:00 | +13:00 → +12:00 | NZST | No | overlap |
2028-09-23T14:00:00Z | 2028-09-24 03:00:00 | +12:00 → +13:00 | NZDT | Yes | gap |
2029-03-31T14:00:00Z | 2029-04-01 02:00:00 | +13:00 → +12:00 | NZST | No | overlap |
2029-09-29T14:00:00Z | 2029-09-30 03:00:00 | +12:00 → +13:00 | NZDT | Yes | gap |
2030-04-06T14:00:00Z | 2030-04-07 02:00:00 | +13:00 → +12:00 | NZST | No | overlap |
2030-09-28T14:00:00Z | 2030-09-29 03:00:00 | +12:00 → +13:00 | NZDT | Yes | gap |
2031-04-05T14:00:00Z | 2031-04-06 02:00:00 | +13:00 → +12:00 | NZST | No | overlap |
2031-09-27T14:00:00Z | 2031-09-28 03:00:00 | +12:00 → +13:00 | NZDT | Yes | gap |
2032-04-03T14:00:00Z | 2032-04-04 02:00:00 | +13:00 → +12:00 | NZST | No | overlap |
2032-09-25T14:00:00Z | 2032-09-26 03:00:00 | +12:00 → +13:00 | NZDT | Yes | gap |
2033-04-02T14:00:00Z | 2033-04-03 02:00:00 | +13:00 → +12:00 | NZST | No | overlap |
2033-09-24T14:00:00Z | 2033-09-25 03:00:00 | +12:00 → +13:00 | NZDT | Yes | gap |
2034-04-01T14:00:00Z | 2034-04-02 02:00:00 | +13:00 → +12:00 | NZST | No | overlap |
2034-09-23T14:00:00Z | 2034-09-24 03:00:00 | +12:00 → +13:00 | NZDT | Yes | gap |
2035-03-31T14:00:00Z | 2035-04-01 02:00:00 | +13:00 → +12:00 | NZST | No | overlap |
2035-09-29T14:00:00Z | 2035-09-30 03:00:00 | +12:00 → +13:00 | NZDT | Yes | gap |
2036-04-05T14:00:00Z | 2036-04-06 02:00:00 | +13:00 → +12:00 | NZST | No | overlap |
2036-09-27T14:00:00Z | 2036-09-28 03:00:00 | +12:00 → +13:00 | NZDT | Yes | gap |
2037-04-04T14:00:00Z | 2037-04-05 02:00:00 | +13:00 → +12:00 | NZST | No | overlap |
2037-09-26T14:00:00Z | 2037-09-27 03:00:00 | +12:00 → +13:00 | NZDT | Yes | 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.
backzone(Lines 945 to 946)