Time Zone Changes in 1939
In 1939, 156 time zone transitions occurred across 78 regions worldwide. Clocks moved forward in 77 transitions (gaps) and turned back in 79 transitions (overlaps).
Advertisement Space
Transitions in 1939 (156)
| Zone | Instant (UTC) | Local Wall Time | Shift | Abbreviation | DST | Effect |
|---|---|---|---|---|---|---|
| Africa/Accra | 1939-01-01T01:40:00Z | 1939-01-01 01:40:00 | +00:20 → +00:00 | GMT | No | overlap |
| America/Mexico_City | 1939-02-05T06:00:00Z | 1939-02-05 01:00:00 | -06:00 → -05:00 | CDT | Yes | gap |
| Mexico/General | 1939-02-05T06:00:00Z | 1939-02-05 01:00:00 | -06:00 → -05:00 | CDT | Yes | gap |
| America/Belize | 1939-02-12T05:30:00Z | 1939-02-11 23:30:00 | -05:30 → -06:00 | CST | No | overlap |
| America/Argentina/Buenos_Aires | 1939-03-01T03:00:00Z | 1939-02-28 23:00:00 | -03:00 → -04:00 | -04 | No | overlap |
| America/Argentina/Catamarca | 1939-03-01T03:00:00Z | 1939-02-28 23:00:00 | -03:00 → -04:00 | -04 | No | overlap |
| America/Argentina/ComodRivadavia | 1939-03-01T03:00:00Z | 1939-02-28 23:00:00 | -03:00 → -04:00 | -04 | No | overlap |
| America/Argentina/Cordoba | 1939-03-01T03:00:00Z | 1939-02-28 23:00:00 | -03:00 → -04:00 | -04 | No | overlap |
| America/Argentina/Jujuy | 1939-03-01T03:00:00Z | 1939-02-28 23:00:00 | -03:00 → -04:00 | -04 | No | overlap |
| America/Argentina/La_Rioja | 1939-03-01T03:00:00Z | 1939-02-28 23:00:00 | -03:00 → -04:00 | -04 | No | overlap |
| America/Argentina/Mendoza | 1939-03-01T03:00:00Z | 1939-02-28 23:00:00 | -03:00 → -04:00 | -04 | No | overlap |
| America/Argentina/Rio_Gallegos | 1939-03-01T03:00:00Z | 1939-02-28 23:00:00 | -03:00 → -04:00 | -04 | No | overlap |
| America/Argentina/Salta | 1939-03-01T03:00:00Z | 1939-02-28 23:00:00 | -03:00 → -04:00 | -04 | No | overlap |
| America/Argentina/San_Juan | 1939-03-01T03:00:00Z | 1939-02-28 23:00:00 | -03:00 → -04:00 | -04 | No | overlap |
| America/Argentina/San_Luis | 1939-03-01T03:00:00Z | 1939-02-28 23:00:00 | -03:00 → -04:00 | -04 | No | overlap |
| America/Argentina/Tucuman | 1939-03-01T03:00:00Z | 1939-02-28 23:00:00 | -03:00 → -04:00 | -04 | No | overlap |
| America/Argentina/Ushuaia | 1939-03-01T03:00:00Z | 1939-02-28 23:00:00 | -03:00 → -04:00 | -04 | No | overlap |
| America/Buenos_Aires | 1939-03-01T03:00:00Z | 1939-02-28 23:00:00 | -03:00 → -04:00 | -04 | No | overlap |
| America/Catamarca | 1939-03-01T03:00:00Z | 1939-02-28 23:00:00 | -03:00 → -04:00 | -04 | No | overlap |
| America/Cordoba | 1939-03-01T03:00:00Z | 1939-02-28 23:00:00 | -03:00 → -04:00 | -04 | No | overlap |
| America/Jujuy | 1939-03-01T03:00:00Z | 1939-02-28 23:00:00 | -03:00 → -04:00 | -04 | No | overlap |
| America/Mendoza | 1939-03-01T03:00:00Z | 1939-02-28 23:00:00 | -03:00 → -04:00 | -04 | No | overlap |
| America/Rosario | 1939-03-01T03:00:00Z | 1939-02-28 23:00:00 | -03:00 → -04:00 | -04 | No | overlap |
| Atlantic/Stanley | 1939-03-19T03:00:00Z | 1939-03-18 23:00:00 | -03:00 → -04:00 | -04 | No | overlap |
| America/Montevideo | 1939-03-26T03:00:00Z | 1939-03-25 23:30:00 | -03:00 → -03:30 | -0330 | No | overlap |
| America/Lima | 1939-03-26T04:00:00Z | 1939-03-25 23:00:00 | -04:00 → -05:00 | -05 | No | overlap |
| Europe/Bucharest | 1939-04-01T22:00:00Z | 1939-04-02 01:00:00 | +02:00 → +03:00 | EEST | Yes | gap |
| Europe/Chisinau | 1939-04-01T22:00:00Z | 1939-04-02 01:00:00 | +02:00 → +03:00 | EEST | Yes | gap |
| Europe/Tiraspol | 1939-04-01T22:00:00Z | 1939-04-02 01:00:00 | +02:00 → +03:00 | EEST | Yes | gap |
| America/Regina | 1939-04-09T07:00:00Z | 1939-04-09 01:00:00 | -07:00 → -06:00 | MDT | Yes | gap |
| Canada/Saskatchewan | 1939-04-09T07:00:00Z | 1939-04-09 01:00:00 | -07:00 → -06:00 | MDT | Yes | gap |
| Africa/Tunis | 1939-04-15T22:00:00Z | 1939-04-16 00:00:00 | +01:00 → +02:00 | CEST | Yes | gap |
| Europe/Lisbon | 1939-04-15T23:00:00Z | 1939-04-16 00:00:00 | +00:00 → +01:00 | WEST | Yes | gap |
| Europe/Monaco | 1939-04-15T23:00:00Z | 1939-04-16 00:00:00 | +00:00 → +01:00 | WEST | Yes | gap |
| Europe/Paris | 1939-04-15T23:00:00Z | 1939-04-16 00:00:00 | +00:00 → +01:00 | WEST | Yes | gap |
| Portugal | 1939-04-15T23:00:00Z | 1939-04-16 00:00:00 | +00:00 → +01:00 | WEST | Yes | gap |
| WET | 1939-04-15T23:00:00Z | 1939-04-16 00:00:00 | +00:00 → +01:00 | WEST | Yes | gap |
| Atlantic/Madeira | 1939-04-16T00:00:00Z | 1939-04-16 00:00:00 | -01:00 → +00:00 | +00 | Yes | gap |
| Atlantic/Azores | 1939-04-16T01:00:00Z | 1939-04-16 00:00:00 | -02:00 → -01:00 | -01 | Yes | gap |
| CET | 1939-04-16T02:00:00Z | 1939-04-16 03:00:00 | +00:00 → +01:00 | WEST | Yes | gap |
| Eire | 1939-04-16T02:00:00Z | 1939-04-16 03:00:00 | +00:00 → +01:00 | IST | Yes | gap |
| Europe/Belfast | 1939-04-16T02:00:00Z | 1939-04-16 03:00:00 | +00:00 → +01:00 | BST | Yes | gap |
| Europe/Brussels | 1939-04-16T02:00:00Z | 1939-04-16 03:00:00 | +00:00 → +01:00 | WEST | Yes | gap |
| Europe/Dublin | 1939-04-16T02:00:00Z | 1939-04-16 03:00:00 | +00:00 → +01:00 | IST | Yes | gap |
| Europe/Gibraltar | 1939-04-16T02:00:00Z | 1939-04-16 03:00:00 | +00:00 → +01:00 | BST | Yes | gap |
| Europe/Guernsey | 1939-04-16T02:00:00Z | 1939-04-16 03:00:00 | +00:00 → +01:00 | BST | Yes | gap |
| Europe/Isle_of_Man | 1939-04-16T02:00:00Z | 1939-04-16 03:00:00 | +00:00 → +01:00 | BST | Yes | gap |
| Europe/Jersey | 1939-04-16T02:00:00Z | 1939-04-16 03:00:00 | +00:00 → +01:00 | BST | Yes | gap |
| Europe/London | 1939-04-16T02:00:00Z | 1939-04-16 03:00:00 | +00:00 → +01:00 | BST | Yes | gap |
| Europe/Luxembourg | 1939-04-16T02:00:00Z | 1939-04-16 03:00:00 | +00:00 → +01:00 | WEST | Yes | gap |
| GB | 1939-04-16T02:00:00Z | 1939-04-16 03:00:00 | +00:00 → +01:00 | BST | Yes | gap |
| GB-Eire | 1939-04-16T02:00:00Z | 1939-04-16 03:00:00 | +00:00 → +01:00 | BST | Yes | gap |
| MET | 1939-04-16T02:00:00Z | 1939-04-16 03:00:00 | +00:00 → +01:00 | WEST | Yes | gap |
| Antarctica/South_Pole | 1939-04-29T14:00:00Z | 1939-04-30 01:30:00 | +12:00 → +11:30 | NZMT | No | overlap |
| NZ | 1939-04-29T14:00:00Z | 1939-04-30 01:30:00 | +12:00 → +11:30 | NZMT | No | overlap |
| Pacific/Auckland | 1939-04-29T14:00:00Z | 1939-04-30 01:30:00 | +12:00 → +11:30 | NZMT | No | overlap |
| Atlantic/Reykjavik | 1939-04-30T00:00:00Z | 1939-04-30 00:00:00 | -01:00 → +00:00 | +00 | Yes | gap |
| America/Montreal | 1939-04-30T07:00:00Z | 1939-04-30 03:00:00 | -05:00 → -04:00 | EDT | Yes | gap |
| America/New_York | 1939-04-30T07:00:00Z | 1939-04-30 03:00:00 | -05:00 → -04:00 | EDT | Yes | gap |
| America/Nipigon | 1939-04-30T07:00:00Z | 1939-04-30 03:00:00 | -05:00 → -04:00 | EDT | Yes | gap |
| America/Thunder_Bay | 1939-04-30T07:00:00Z | 1939-04-30 03:00:00 | -05:00 → -04:00 | EDT | Yes | gap |
| America/Toronto | 1939-04-30T07:00:00Z | 1939-04-30 03:00:00 | -05:00 → -04:00 | EDT | Yes | gap |
| Canada/Eastern | 1939-04-30T07:00:00Z | 1939-04-30 03:00:00 | -05:00 → -04:00 | EDT | Yes | gap |
| US/Eastern | 1939-04-30T07:00:00Z | 1939-04-30 03:00:00 | -05:00 → -04:00 | EDT | Yes | gap |
| America/Chicago | 1939-04-30T08:00:00Z | 1939-04-30 03:00:00 | -06:00 → -05:00 | CDT | Yes | gap |
| US/Central | 1939-04-30T08:00:00Z | 1939-04-30 03:00:00 | -06:00 → -05:00 | CDT | Yes | gap |
| Europe/Amsterdam | 1939-05-15T01:40:00Z | 1939-05-15 03:00:00 | +00:20 → +01:20 | +0120 | Yes | gap |
| America/Goose_Bay | 1939-05-15T03:30:00Z | 1939-05-15 01:00:00 | -03:30 → -02:30 | NDT | Yes | gap |
| America/St_Johns | 1939-05-15T03:30:00Z | 1939-05-15 01:00:00 | -03:30 → -02:30 | NDT | Yes | gap |
| Canada/Newfoundland | 1939-05-15T03:30:00Z | 1939-05-15 01:00:00 | -03:30 → -02:30 | NDT | Yes | gap |
| America/Moncton | 1939-05-27T05:00:00Z | 1939-05-27 02:00:00 | -04:00 → -03:00 | ADT | Yes | gap |
| America/Halifax | 1939-05-28T04:00:00Z | 1939-05-28 01:00:00 | -04:00 → -03:00 | ADT | Yes | gap |
| Canada/Atlantic | 1939-05-28T04:00:00Z | 1939-05-28 01:00:00 | -04:00 → -03:00 | ADT | Yes | gap |
| Africa/Freetown | 1939-06-01T00:40:00Z | 1939-05-31 23:40:00 | -00:40 → -01:00 | -01 | No | overlap |
| America/Mexico_City | 1939-06-25T05:00:00Z | 1939-06-24 23:00:00 | -05:00 → -06:00 | CST | No | overlap |
| Mexico/General | 1939-06-25T05:00:00Z | 1939-06-24 23:00:00 | -05:00 → -06:00 | CST | No | overlap |
| Africa/Freetown | 1939-09-01T01:00:00Z | 1939-09-01 00:20:00 | -01:00 → -00:40 | -0040 | Yes | gap |
| Africa/Accra | 1939-09-01T02:00:00Z | 1939-09-01 02:20:00 | +00:00 → +00:20 | +0020 | Yes | gap |
| Africa/Freetown | 1939-09-05T00:40:00Z | 1939-09-04 23:40:00 | -00:40 → -01:00 | -01 | No | overlap |
| Africa/Algiers | 1939-09-11T23:00:00Z | 1939-09-12 00:00:00 | +00:00 → +01:00 | WEST | Yes | gap |
| Africa/Casablanca | 1939-09-12T00:00:00Z | 1939-09-12 01:00:00 | +00:00 → +01:00 | +01 | Yes | gap |
| Asia/Kuching | 1939-09-13T16:00:00Z | 1939-09-14 00:20:00 | +08:00 → +08:20 | +0820 | Yes | gap |
| America/Moncton | 1939-09-23T04:00:00Z | 1939-09-23 00:00:00 | -03:00 → -04:00 | AST | No | overlap |
| Antarctica/South_Pole | 1939-09-23T14:30:00Z | 1939-09-24 02:30:00 | +11:30 → +12:00 | NZST | Yes | gap |
| NZ | 1939-09-23T14:30:00Z | 1939-09-24 02:30:00 | +11:30 → +12:00 | NZST | Yes | gap |
| Pacific/Auckland | 1939-09-23T14:30:00Z | 1939-09-24 02:30:00 | +11:30 → +12:00 | NZST | Yes | gap |
| America/Lima | 1939-09-24T05:00:00Z | 1939-09-24 01:00:00 | -05:00 → -04:00 | -04 | Yes | gap |
| America/Montreal | 1939-09-24T06:00:00Z | 1939-09-24 01:00:00 | -04:00 → -05:00 | EST | No | overlap |
| America/New_York | 1939-09-24T06:00:00Z | 1939-09-24 01:00:00 | -04:00 → -05:00 | EST | No | overlap |
| America/Nipigon | 1939-09-24T06:00:00Z | 1939-09-24 01:00:00 | -04:00 → -05:00 | EST | No | overlap |
| America/Thunder_Bay | 1939-09-24T06:00:00Z | 1939-09-24 01:00:00 | -04:00 → -05:00 | EST | No | overlap |
| America/Toronto | 1939-09-24T06:00:00Z | 1939-09-24 01:00:00 | -04:00 → -05:00 | EST | No | overlap |
| Canada/Eastern | 1939-09-24T06:00:00Z | 1939-09-24 01:00:00 | -04:00 → -05:00 | EST | No | overlap |
| US/Eastern | 1939-09-24T06:00:00Z | 1939-09-24 01:00:00 | -04:00 → -05:00 | EST | No | overlap |
| America/Chicago | 1939-09-24T07:00:00Z | 1939-09-24 01:00:00 | -05:00 → -06:00 | CST | No | overlap |
| US/Central | 1939-09-24T07:00:00Z | 1939-09-24 01:00:00 | -05:00 → -06:00 | CST | No | overlap |
| America/Halifax | 1939-09-25T03:00:00Z | 1939-09-24 23:00:00 | -03:00 → -04:00 | AST | No | overlap |
| Canada/Atlantic | 1939-09-25T03:00:00Z | 1939-09-24 23:00:00 | -03:00 → -04:00 | AST | No | overlap |
| Europe/Bucharest | 1939-09-30T22:00:00Z | 1939-10-01 00:00:00 | +03:00 → +02:00 | EET | No | overlap |
| Europe/Chisinau | 1939-09-30T22:00:00Z | 1939-10-01 00:00:00 | +03:00 → +02:00 | EET | No | overlap |
| Europe/Tiraspol | 1939-09-30T22:00:00Z | 1939-10-01 00:00:00 | +03:00 → +02:00 | EET | No | overlap |
| America/Montevideo | 1939-10-01T03:30:00Z | 1939-10-01 00:30:00 | -03:30 → -03:00 | -03 | Yes | gap |
| Atlantic/Stanley | 1939-10-01T04:00:00Z | 1939-10-01 01:00:00 | -04:00 → -03:00 | -03 | Yes | gap |
| America/Goose_Bay | 1939-10-02T02:30:00Z | 1939-10-01 23:00:00 | -02:30 → -03:30 | NST | No | overlap |
| America/St_Johns | 1939-10-02T02:30:00Z | 1939-10-01 23:00:00 | -02:30 → -03:30 | NST | No | overlap |
| Canada/Newfoundland | 1939-10-02T02:30:00Z | 1939-10-01 23:00:00 | -02:30 → -03:30 | NST | No | overlap |
| Europe/Madrid | 1939-10-08T00:00:00Z | 1939-10-08 00:00:00 | +01:00 → +00:00 | WET | No | overlap |
| Europe/Amsterdam | 1939-10-08T01:40:00Z | 1939-10-08 02:00:00 | +01:20 → +00:20 | +0020 | No | overlap |
| America/Belize | 1939-10-08T06:00:00Z | 1939-10-08 00:30:00 | -06:00 → -05:30 | -0530 | Yes | gap |
| America/Regina | 1939-10-08T06:00:00Z | 1939-10-07 23:00:00 | -06:00 → -07:00 | MST | No | overlap |
| Canada/Saskatchewan | 1939-10-08T06:00:00Z | 1939-10-07 23:00:00 | -06:00 → -07:00 | MST | No | overlap |
| Atlantic/Reykjavik | 1939-10-29T02:00:00Z | 1939-10-29 01:00:00 | +00:00 → -01:00 | -01 | No | overlap |
| America/Argentina/Buenos_Aires | 1939-11-01T04:00:00Z | 1939-11-01 01:00:00 | -04:00 → -03:00 | -03 | Yes | gap |
| America/Argentina/Catamarca | 1939-11-01T04:00:00Z | 1939-11-01 01:00:00 | -04:00 → -03:00 | -03 | Yes | gap |
| America/Argentina/ComodRivadavia | 1939-11-01T04:00:00Z | 1939-11-01 01:00:00 | -04:00 → -03:00 | -03 | Yes | gap |
| America/Argentina/Cordoba | 1939-11-01T04:00:00Z | 1939-11-01 01:00:00 | -04:00 → -03:00 | -03 | Yes | gap |
| America/Argentina/Jujuy | 1939-11-01T04:00:00Z | 1939-11-01 01:00:00 | -04:00 → -03:00 | -03 | Yes | gap |
| America/Argentina/La_Rioja | 1939-11-01T04:00:00Z | 1939-11-01 01:00:00 | -04:00 → -03:00 | -03 | Yes | gap |
| America/Argentina/Mendoza | 1939-11-01T04:00:00Z | 1939-11-01 01:00:00 | -04:00 → -03:00 | -03 | Yes | gap |
| America/Argentina/Rio_Gallegos | 1939-11-01T04:00:00Z | 1939-11-01 01:00:00 | -04:00 → -03:00 | -03 | Yes | gap |
| America/Argentina/Salta | 1939-11-01T04:00:00Z | 1939-11-01 01:00:00 | -04:00 → -03:00 | -03 | Yes | gap |
| America/Argentina/San_Juan | 1939-11-01T04:00:00Z | 1939-11-01 01:00:00 | -04:00 → -03:00 | -03 | Yes | gap |
| America/Argentina/San_Luis | 1939-11-01T04:00:00Z | 1939-11-01 01:00:00 | -04:00 → -03:00 | -03 | Yes | gap |
| America/Argentina/Tucuman | 1939-11-01T04:00:00Z | 1939-11-01 01:00:00 | -04:00 → -03:00 | -03 | Yes | gap |
| America/Argentina/Ushuaia | 1939-11-01T04:00:00Z | 1939-11-01 01:00:00 | -04:00 → -03:00 | -03 | Yes | gap |
| America/Buenos_Aires | 1939-11-01T04:00:00Z | 1939-11-01 01:00:00 | -04:00 → -03:00 | -03 | Yes | gap |
| America/Catamarca | 1939-11-01T04:00:00Z | 1939-11-01 01:00:00 | -04:00 → -03:00 | -03 | Yes | gap |
| America/Cordoba | 1939-11-01T04:00:00Z | 1939-11-01 01:00:00 | -04:00 → -03:00 | -03 | Yes | gap |
| America/Jujuy | 1939-11-01T04:00:00Z | 1939-11-01 01:00:00 | -04:00 → -03:00 | -03 | Yes | gap |
| America/Mendoza | 1939-11-01T04:00:00Z | 1939-11-01 01:00:00 | -04:00 → -03:00 | -03 | Yes | gap |
| America/Rosario | 1939-11-01T04:00:00Z | 1939-11-01 01:00:00 | -04:00 → -03:00 | -03 | Yes | gap |
| Africa/Tunis | 1939-11-18T22:00:00Z | 1939-11-18 23:00:00 | +02:00 → +01:00 | CET | No | overlap |
| Africa/Casablanca | 1939-11-18T23:00:00Z | 1939-11-18 23:00:00 | +01:00 → +00:00 | +00 | No | overlap |
| Europe/Lisbon | 1939-11-18T23:00:00Z | 1939-11-18 23:00:00 | +01:00 → +00:00 | WET | No | overlap |
| Europe/Monaco | 1939-11-18T23:00:00Z | 1939-11-18 23:00:00 | +01:00 → +00:00 | WET | No | overlap |
| Europe/Paris | 1939-11-18T23:00:00Z | 1939-11-18 23:00:00 | +01:00 → +00:00 | WET | No | overlap |
| Portugal | 1939-11-18T23:00:00Z | 1939-11-18 23:00:00 | +01:00 → +00:00 | WET | No | overlap |
| WET | 1939-11-18T23:00:00Z | 1939-11-18 23:00:00 | +01:00 → +00:00 | WET | No | overlap |
| Africa/Algiers | 1939-11-19T00:00:00Z | 1939-11-19 00:00:00 | +01:00 → +00:00 | WET | No | overlap |
| Atlantic/Madeira | 1939-11-19T00:00:00Z | 1939-11-18 23:00:00 | +00:00 → -01:00 | -01 | No | overlap |
| Atlantic/Azores | 1939-11-19T01:00:00Z | 1939-11-18 23:00:00 | -01:00 → -02:00 | -02 | No | overlap |
| CET | 1939-11-19T02:00:00Z | 1939-11-19 02:00:00 | +01:00 → +00:00 | WET | No | overlap |
| Eire | 1939-11-19T02:00:00Z | 1939-11-19 02:00:00 | +01:00 → +00:00 | GMT | No | overlap |
| Europe/Belfast | 1939-11-19T02:00:00Z | 1939-11-19 02:00:00 | +01:00 → +00:00 | GMT | No | overlap |
| Europe/Brussels | 1939-11-19T02:00:00Z | 1939-11-19 02:00:00 | +01:00 → +00:00 | WET | No | overlap |
| Europe/Dublin | 1939-11-19T02:00:00Z | 1939-11-19 02:00:00 | +01:00 → +00:00 | GMT | No | overlap |
| Europe/Gibraltar | 1939-11-19T02:00:00Z | 1939-11-19 02:00:00 | +01:00 → +00:00 | GMT | No | overlap |
| Europe/Guernsey | 1939-11-19T02:00:00Z | 1939-11-19 02:00:00 | +01:00 → +00:00 | GMT | No | overlap |
| Europe/Isle_of_Man | 1939-11-19T02:00:00Z | 1939-11-19 02:00:00 | +01:00 → +00:00 | GMT | No | overlap |
| Europe/Jersey | 1939-11-19T02:00:00Z | 1939-11-19 02:00:00 | +01:00 → +00:00 | GMT | No | overlap |
| Europe/London | 1939-11-19T02:00:00Z | 1939-11-19 02:00:00 | +01:00 → +00:00 | GMT | No | overlap |
| Europe/Luxembourg | 1939-11-19T02:00:00Z | 1939-11-19 02:00:00 | +01:00 → +00:00 | WET | No | overlap |
| GB | 1939-11-19T02:00:00Z | 1939-11-19 02:00:00 | +01:00 → +00:00 | GMT | No | overlap |
| GB-Eire | 1939-11-19T02:00:00Z | 1939-11-19 02:00:00 | +01:00 → +00:00 | GMT | No | overlap |
| MET | 1939-11-19T02:00:00Z | 1939-11-19 02:00:00 | +01:00 → +00:00 | WET | No | overlap |
| Asia/Kuching | 1939-12-13T15:40:00Z | 1939-12-13 23:40:00 | +08:20 → +08:00 | +08 | No | overlap |