Zone NAME STDOFF RULES FORMAT [UNTIL]
America/Indiana/Indianapolis
Time zone identifier: America/Indiana/Indianapolis
Current civil offset: -05:00 (EST)
Current DST state: Observing Standard Time
First standard time adoption: Adopted on 1883-11-18
Local Mean Time (LMT): -05:44:38 based on geographic meridian
Total recorded transitions: 99 transitions across 4 distinct offsets
Associated countries: US
Aliases (Link targets): America/Fort_Wayne, America/Indianapolis, US/East-Indiana
Advertisement Space
Historical Offset Step Chart (1880 to Present)
Text summary: America/Indiana/Indianapolis shifted between 4 distinct offsets from 1883-11-18 through the modern era.
Complete Transition History (99 Transitions)
| UTC Instant | Local Wall Time | Shift | Abbreviation | DST | Effect |
|---|---|---|---|---|---|
1883-11-18T18:00:00Z | 1883-11-18 12:00:00 | -05:44:38 → -06:00 | CST | No | overlap |
1918-03-31T08:00:00Z | 1918-03-31 03:00:00 | -06:00 → -05:00 | CDT | Yes | gap |
1918-10-27T07:00:00Z | 1918-10-27 01:00:00 | -05:00 → -06:00 | CST | No | overlap |
1919-03-30T08:00:00Z | 1919-03-30 03:00:00 | -06:00 → -05:00 | CDT | Yes | gap |
1919-10-26T07:00:00Z | 1919-10-26 01:00:00 | -05:00 → -06:00 | CST | No | overlap |
1941-06-22T08:00:00Z | 1941-06-22 03:00:00 | -06:00 → -05:00 | CDT | Yes | gap |
1941-09-28T07:00:00Z | 1941-09-28 01:00:00 | -05:00 → -06:00 | CST | No | overlap |
1942-02-09T08:00:00Z | 1942-02-09 03:00:00 | -06:00 → -05:00 | CWT | Yes | gap |
1945-08-14T23:00:00Z | 1945-08-14 18:00:00 | -05:00 → -05:00 | CPT | Yes | offset-only |
1945-09-30T07:00:00Z | 1945-09-30 01:00:00 | -05:00 → -06:00 | CST | No | overlap |
1946-04-28T08:00:00Z | 1946-04-28 03:00:00 | -06:00 → -05:00 | CDT | Yes | gap |
1946-09-29T07:00:00Z | 1946-09-29 01:00:00 | -05:00 → -06:00 | CST | No | overlap |
1947-04-27T08:00:00Z | 1947-04-27 03:00:00 | -06:00 → -05:00 | CDT | Yes | gap |
1947-09-28T07:00:00Z | 1947-09-28 01:00:00 | -05:00 → -06:00 | CST | No | overlap |
1948-04-25T08:00:00Z | 1948-04-25 03:00:00 | -06:00 → -05:00 | CDT | Yes | gap |
1948-09-26T07:00:00Z | 1948-09-26 01:00:00 | -05:00 → -06:00 | CST | No | overlap |
1949-04-24T08:00:00Z | 1949-04-24 03:00:00 | -06:00 → -05:00 | CDT | Yes | gap |
1949-09-25T07:00:00Z | 1949-09-25 01:00:00 | -05:00 → -06:00 | CST | No | overlap |
1950-04-30T08:00:00Z | 1950-04-30 03:00:00 | -06:00 → -05:00 | CDT | Yes | gap |
1950-09-24T07:00:00Z | 1950-09-24 01:00:00 | -05:00 → -06:00 | CST | No | overlap |
1951-04-29T08:00:00Z | 1951-04-29 03:00:00 | -06:00 → -05:00 | CDT | Yes | gap |
1951-09-30T07:00:00Z | 1951-09-30 01:00:00 | -05:00 → -06:00 | CST | No | overlap |
1952-04-27T08:00:00Z | 1952-04-27 03:00:00 | -06:00 → -05:00 | CDT | Yes | gap |
1952-09-28T07:00:00Z | 1952-09-28 01:00:00 | -05:00 → -06:00 | CST | No | overlap |
1953-04-26T08:00:00Z | 1953-04-26 03:00:00 | -06:00 → -05:00 | CDT | Yes | gap |
1953-09-27T07:00:00Z | 1953-09-27 01:00:00 | -05:00 → -06:00 | CST | No | overlap |
1954-04-25T08:00:00Z | 1954-04-25 03:00:00 | -06:00 → -05:00 | CDT | Yes | gap |
1954-09-26T07:00:00Z | 1954-09-26 01:00:00 | -05:00 → -06:00 | CST | No | overlap |
1955-04-24T08:00:00Z | 1955-04-24 03:00:00 | -06:00 → -05:00 | EST | No | gap |
1957-09-29T07:00:00Z | 1957-09-29 01:00:00 | -05:00 → -06:00 | CST | No | overlap |
1958-04-27T08:00:00Z | 1958-04-27 03:00:00 | -06:00 → -05:00 | EST | No | gap |
1969-04-27T07:00:00Z | 1969-04-27 03:00:00 | -05:00 → -04:00 | EDT | Yes | gap |
1969-10-26T06:00:00Z | 1969-10-26 01:00:00 | -04:00 → -05:00 | EST | No | overlap |
1970-04-26T07:00:00Z | 1970-04-26 03:00:00 | -05:00 → -04:00 | EDT | Yes | gap |
1970-10-25T06:00:00Z | 1970-10-25 01:00:00 | -04:00 → -05:00 | EST | No | overlap |
2006-04-02T07:00:00Z | 2006-04-02 03:00:00 | -05:00 → -04:00 | EDT | Yes | gap |
2006-10-29T06:00:00Z | 2006-10-29 01:00:00 | -04:00 → -05:00 | EST | No | overlap |
2007-03-11T07:00:00Z | 2007-03-11 03:00:00 | -05:00 → -04:00 | EDT | Yes | gap |
2007-11-04T06:00:00Z | 2007-11-04 01:00:00 | -04:00 → -05:00 | EST | No | overlap |
2008-03-09T07:00:00Z | 2008-03-09 03:00:00 | -05:00 → -04:00 | EDT | Yes | gap |
2008-11-02T06:00:00Z | 2008-11-02 01:00:00 | -04:00 → -05:00 | EST | No | overlap |
2009-03-08T07:00:00Z | 2009-03-08 03:00:00 | -05:00 → -04:00 | EDT | Yes | gap |
2009-11-01T06:00:00Z | 2009-11-01 01:00:00 | -04:00 → -05:00 | EST | No | overlap |
2010-03-14T07:00:00Z | 2010-03-14 03:00:00 | -05:00 → -04:00 | EDT | Yes | gap |
2010-11-07T06:00:00Z | 2010-11-07 01:00:00 | -04:00 → -05:00 | EST | No | overlap |
2011-03-13T07:00:00Z | 2011-03-13 03:00:00 | -05:00 → -04:00 | EDT | Yes | gap |
2011-11-06T06:00:00Z | 2011-11-06 01:00:00 | -04:00 → -05:00 | EST | No | overlap |
2012-03-11T07:00:00Z | 2012-03-11 03:00:00 | -05:00 → -04:00 | EDT | Yes | gap |
2012-11-04T06:00:00Z | 2012-11-04 01:00:00 | -04:00 → -05:00 | EST | No | overlap |
2013-03-10T07:00:00Z | 2013-03-10 03:00:00 | -05:00 → -04:00 | EDT | Yes | gap |
2013-11-03T06:00:00Z | 2013-11-03 01:00:00 | -04:00 → -05:00 | EST | No | overlap |
2014-03-09T07:00:00Z | 2014-03-09 03:00:00 | -05:00 → -04:00 | EDT | Yes | gap |
2014-11-02T06:00:00Z | 2014-11-02 01:00:00 | -04:00 → -05:00 | EST | No | overlap |
2015-03-08T07:00:00Z | 2015-03-08 03:00:00 | -05:00 → -04:00 | EDT | Yes | gap |
2015-11-01T06:00:00Z | 2015-11-01 01:00:00 | -04:00 → -05:00 | EST | No | overlap |
2016-03-13T07:00:00Z | 2016-03-13 03:00:00 | -05:00 → -04:00 | EDT | Yes | gap |
2016-11-06T06:00:00Z | 2016-11-06 01:00:00 | -04:00 → -05:00 | EST | No | overlap |
2017-03-12T07:00:00Z | 2017-03-12 03:00:00 | -05:00 → -04:00 | EDT | Yes | gap |
2017-11-05T06:00:00Z | 2017-11-05 01:00:00 | -04:00 → -05:00 | EST | No | overlap |
2018-03-11T07:00:00Z | 2018-03-11 03:00:00 | -05:00 → -04:00 | EDT | Yes | gap |
2018-11-04T06:00:00Z | 2018-11-04 01:00:00 | -04:00 → -05:00 | EST | No | overlap |
2019-03-10T07:00:00Z | 2019-03-10 03:00:00 | -05:00 → -04:00 | EDT | Yes | gap |
2019-11-03T06:00:00Z | 2019-11-03 01:00:00 | -04:00 → -05:00 | EST | No | overlap |
2020-03-08T07:00:00Z | 2020-03-08 03:00:00 | -05:00 → -04:00 | EDT | Yes | gap |
2020-11-01T06:00:00Z | 2020-11-01 01:00:00 | -04:00 → -05:00 | EST | No | overlap |
2021-03-14T07:00:00Z | 2021-03-14 03:00:00 | -05:00 → -04:00 | EDT | Yes | gap |
2021-11-07T06:00:00Z | 2021-11-07 01:00:00 | -04:00 → -05:00 | EST | No | overlap |
2022-03-13T07:00:00Z | 2022-03-13 03:00:00 | -05:00 → -04:00 | EDT | Yes | gap |
2022-11-06T06:00:00Z | 2022-11-06 01:00:00 | -04:00 → -05:00 | EST | No | overlap |
2023-03-12T07:00:00Z | 2023-03-12 03:00:00 | -05:00 → -04:00 | EDT | Yes | gap |
2023-11-05T06:00:00Z | 2023-11-05 01:00:00 | -04:00 → -05:00 | EST | No | overlap |
2024-03-10T07:00:00Z | 2024-03-10 03:00:00 | -05:00 → -04:00 | EDT | Yes | gap |
2024-11-03T06:00:00Z | 2024-11-03 01:00:00 | -04:00 → -05:00 | EST | No | overlap |
2025-03-09T07:00:00Z | 2025-03-09 03:00:00 | -05:00 → -04:00 | EDT | Yes | gap |
2025-11-02T06:00:00Z | 2025-11-02 01:00:00 | -04:00 → -05:00 | EST | No | overlap |
2026-03-08T07:00:00Z | 2026-03-08 03:00:00 | -05:00 → -04:00 | EDT | Yes | gap |
2026-11-01T06:00:00Z | 2026-11-01 01:00:00 | -04:00 → -05:00 | EST | No | overlap |
2027-03-14T07:00:00Z | 2027-03-14 03:00:00 | -05:00 → -04:00 | EDT | Yes | gap |
2027-11-07T06:00:00Z | 2027-11-07 01:00:00 | -04:00 → -05:00 | EST | No | overlap |
2028-03-12T07:00:00Z | 2028-03-12 03:00:00 | -05:00 → -04:00 | EDT | Yes | gap |
2028-11-05T06:00:00Z | 2028-11-05 01:00:00 | -04:00 → -05:00 | EST | No | overlap |
2029-03-11T07:00:00Z | 2029-03-11 03:00:00 | -05:00 → -04:00 | EDT | Yes | gap |
2029-11-04T06:00:00Z | 2029-11-04 01:00:00 | -04:00 → -05:00 | EST | No | overlap |
2030-03-10T07:00:00Z | 2030-03-10 03:00:00 | -05:00 → -04:00 | EDT | Yes | gap |
2030-11-03T06:00:00Z | 2030-11-03 01:00:00 | -04:00 → -05:00 | EST | No | overlap |
2031-03-09T07:00:00Z | 2031-03-09 03:00:00 | -05:00 → -04:00 | EDT | Yes | gap |
2031-11-02T06:00:00Z | 2031-11-02 01:00:00 | -04:00 → -05:00 | EST | No | overlap |
2032-03-14T07:00:00Z | 2032-03-14 03:00:00 | -05:00 → -04:00 | EDT | Yes | gap |
2032-11-07T06:00:00Z | 2032-11-07 01:00:00 | -04:00 → -05:00 | EST | No | overlap |
2033-03-13T07:00:00Z | 2033-03-13 03:00:00 | -05:00 → -04:00 | EDT | Yes | gap |
2033-11-06T06:00:00Z | 2033-11-06 01:00:00 | -04:00 → -05:00 | EST | No | overlap |
2034-03-12T07:00:00Z | 2034-03-12 03:00:00 | -05:00 → -04:00 | EDT | Yes | gap |
2034-11-05T06:00:00Z | 2034-11-05 01:00:00 | -04:00 → -05:00 | EST | No | overlap |
2035-03-11T07:00:00Z | 2035-03-11 03:00:00 | -05:00 → -04:00 | EDT | Yes | gap |
2035-11-04T06:00:00Z | 2035-11-04 01:00:00 | -04:00 → -05:00 | EST | No | overlap |
2036-03-09T07:00:00Z | 2036-03-09 03:00:00 | -05:00 → -04:00 | EDT | Yes | gap |
2036-11-02T06:00:00Z | 2036-11-02 01:00:00 | -04:00 → -05:00 | EST | No | overlap |
2037-03-08T07:00:00Z | 2037-03-08 03:00:00 | -05:00 → -04:00 | EDT | Yes | gap |
2037-11-01T06:00:00Z | 2037-11-01 01:00:00 | -04:00 → -05:00 | EST | No | overlap |
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.
northamerica(Lines 920 to 920)