Time Zone Changes in 1920
In 1920, 140 time zone transitions occurred across 83 regions worldwide. Clocks moved forward in 80 transitions (gaps) and turned back in 60 transitions (overlaps).
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Transitions in 1920 (140)
| Zone | Instant (UTC) | Local Wall Time | Shift | Abbreviation | DST | Effect |
|---|---|---|---|---|---|---|
| America/Cambridge_Bay | 1920-01-01T00:00:00Z | 1919-12-31 17:00:00 | +00:00 → -07:00 | MST | No | overlap |
| Africa/Accra | 1920-01-01T01:40:00Z | 1920-01-01 01:40:00 | +00:20 → +00:00 | GMT | No | overlap |
| Europe/Volgograd | 1920-01-02T21:02:20Z | 1920-01-03 00:02:20 | +02:57:40 → +03:00 | +03 | No | gap |
| Asia/Krasnoyarsk | 1920-01-05T17:48:34Z | 1920-01-05 23:48:34 | +06:11:26 → +06:00 | +06 | No | overlap |
| Asia/Irkutsk | 1920-01-24T17:02:55Z | 1920-01-25 00:02:55 | +06:57:05 → +07:00 | +07 | No | gap |
| Africa/Algiers | 1920-02-14T23:00:00Z | 1920-02-15 00:00:00 | +00:00 → +01:00 | WEST | Yes | gap |
| CET | 1920-02-14T23:00:00Z | 1920-02-15 00:00:00 | +00:00 → +01:00 | WEST | Yes | gap |
| Europe/Brussels | 1920-02-14T23:00:00Z | 1920-02-15 00:00:00 | +00:00 → +01:00 | WEST | Yes | gap |
| Europe/Luxembourg | 1920-02-14T23:00:00Z | 1920-02-15 00:00:00 | +00:00 → +01:00 | WEST | Yes | gap |
| Europe/Monaco | 1920-02-14T23:00:00Z | 1920-02-15 00:00:00 | +00:00 → +01:00 | WEST | Yes | gap |
| Europe/Paris | 1920-02-14T23:00:00Z | 1920-02-15 00:00:00 | +00:00 → +01:00 | WEST | Yes | gap |
| MET | 1920-02-14T23:00:00Z | 1920-02-15 00:00:00 | +00:00 → +01:00 | WEST | Yes | gap |
| America/Belize | 1920-02-15T05:30:00Z | 1920-02-14 23:30:00 | -05:30 → -06:00 | CST | No | overlap |
| Europe/Lisbon | 1920-03-01T00:00:00Z | 1920-03-01 01:00:00 | +00:00 → +01:00 | WEST | Yes | gap |
| Portugal | 1920-03-01T00:00:00Z | 1920-03-01 01:00:00 | +00:00 → +01:00 | WEST | Yes | gap |
| WET | 1920-03-01T00:00:00Z | 1920-03-01 01:00:00 | +00:00 → +01:00 | WEST | Yes | gap |
| Atlantic/Madeira | 1920-03-01T01:00:00Z | 1920-03-01 01:00:00 | -01:00 → +00:00 | +00 | Yes | gap |
| Atlantic/Azores | 1920-03-01T02:00:00Z | 1920-03-01 01:00:00 | -02:00 → -01:00 | -01 | Yes | gap |
| Europe/Malta | 1920-03-20T23:00:00Z | 1920-03-21 01:00:00 | +01:00 → +02:00 | CEST | Yes | gap |
| Europe/Rome | 1920-03-20T23:00:00Z | 1920-03-21 01:00:00 | +01:00 → +02:00 | CEST | Yes | gap |
| Europe/San_Marino | 1920-03-20T23:00:00Z | 1920-03-21 01:00:00 | +01:00 → +02:00 | CEST | Yes | gap |
| Europe/Vatican | 1920-03-20T23:00:00Z | 1920-03-21 01:00:00 | +01:00 → +02:00 | CEST | Yes | gap |
| Asia/Beirut | 1920-03-27T22:00:00Z | 1920-03-28 01:00:00 | +02:00 → +03:00 | EEST | Yes | gap |
| Asia/Istanbul | 1920-03-27T22:00:00Z | 1920-03-28 01:00:00 | +02:00 → +03:00 | EEST | Yes | gap |
| Europe/Istanbul | 1920-03-27T22:00:00Z | 1920-03-28 01:00:00 | +02:00 → +03:00 | EEST | Yes | gap |
| Turkey | 1920-03-27T22:00:00Z | 1920-03-28 01:00:00 | +02:00 → +03:00 | EEST | Yes | gap |
| Eire | 1920-03-28T02:00:00Z | 1920-03-28 03:00:00 | +00:00 → +01:00 | BST | Yes | gap |
| Europe/Belfast | 1920-03-28T02:00:00Z | 1920-03-28 03:00:00 | +00:00 → +01:00 | BST | Yes | gap |
| Europe/Dublin | 1920-03-28T02:00:00Z | 1920-03-28 03:00:00 | +00:00 → +01:00 | BST | Yes | gap |
| Europe/Gibraltar | 1920-03-28T02:00:00Z | 1920-03-28 03:00:00 | +00:00 → +01:00 | BST | Yes | gap |
| Europe/Guernsey | 1920-03-28T02:00:00Z | 1920-03-28 03:00:00 | +00:00 → +01:00 | BST | Yes | gap |
| Europe/Isle_of_Man | 1920-03-28T02:00:00Z | 1920-03-28 03:00:00 | +00:00 → +01:00 | BST | Yes | gap |
| Europe/Jersey | 1920-03-28T02:00:00Z | 1920-03-28 03:00:00 | +00:00 → +01:00 | BST | Yes | gap |
| Europe/London | 1920-03-28T02:00:00Z | 1920-03-28 03:00:00 | +00:00 → +01:00 | BST | Yes | gap |
| GB | 1920-03-28T02:00:00Z | 1920-03-28 03:00:00 | +00:00 → +01:00 | BST | Yes | gap |
| GB-Eire | 1920-03-28T02:00:00Z | 1920-03-28 03:00:00 | +00:00 → +01:00 | BST | Yes | gap |
| America/New_York | 1920-03-28T07:00:00Z | 1920-03-28 03:00:00 | -05:00 → -04:00 | EDT | Yes | gap |
| US/Eastern | 1920-03-28T07:00:00Z | 1920-03-28 03:00:00 | -05:00 → -04:00 | EDT | Yes | gap |
| America/Denver | 1920-03-28T09:00:00Z | 1920-03-28 03:00:00 | -07:00 → -06:00 | MDT | Yes | gap |
| America/Shiprock | 1920-03-28T09:00:00Z | 1920-03-28 03:00:00 | -07:00 → -06:00 | MDT | Yes | gap |
| Navajo | 1920-03-28T09:00:00Z | 1920-03-28 03:00:00 | -07:00 → -06:00 | MDT | Yes | gap |
| US/Mountain | 1920-03-28T09:00:00Z | 1920-03-28 03:00:00 | -07:00 → -06:00 | MDT | Yes | gap |
| Asia/Bangkok | 1920-03-31T17:17:56Z | 1920-04-01 00:17:56 | +06:42:04 → +07:00 | +07 | No | gap |
| Europe/Budapest | 1920-04-05T01:00:00Z | 1920-04-05 03:00:00 | +01:00 → +02:00 | CEST | Yes | gap |
| Europe/Vienna | 1920-04-05T01:00:00Z | 1920-04-05 03:00:00 | +01:00 → +02:00 | CEST | Yes | gap |
| Europe/Amsterdam | 1920-04-05T01:40:28Z | 1920-04-05 03:00:00 | +00:19:32 → +01:19:32 | NST | Yes | gap |
| Asia/Damascus | 1920-04-18T00:00:00Z | 1920-04-18 03:00:00 | +02:00 → +03:00 | EEST | Yes | gap |
| Africa/Lubumbashi | 1920-04-24T23:00:00Z | 1920-04-25 01:00:00 | +01:00 → +02:00 | CAT | No | gap |
| America/Edmonton | 1920-04-25T09:00:00Z | 1920-04-25 03:00:00 | -07:00 → -06:00 | MDT | Yes | gap |
| America/Yellowknife | 1920-04-25T09:00:00Z | 1920-04-25 03:00:00 | -07:00 → -06:00 | MDT | Yes | gap |
| Canada/Mountain | 1920-04-25T09:00:00Z | 1920-04-25 03:00:00 | -07:00 → -06:00 | MDT | Yes | gap |
| America/Montevideo | 1920-05-01T03:44:51Z | 1920-04-30 23:44:51 | -03:44:51 → -04:00 | -04 | No | overlap |
| America/Argentina/Buenos_Aires | 1920-05-01T04:16:48Z | 1920-05-01 00:16:48 | -04:16:48 → -04:00 | -04 | No | gap |
| America/Argentina/Catamarca | 1920-05-01T04:16:48Z | 1920-05-01 00:16:48 | -04:16:48 → -04:00 | -04 | No | gap |
| America/Argentina/ComodRivadavia | 1920-05-01T04:16:48Z | 1920-05-01 00:16:48 | -04:16:48 → -04:00 | -04 | No | gap |
| America/Argentina/Cordoba | 1920-05-01T04:16:48Z | 1920-05-01 00:16:48 | -04:16:48 → -04:00 | -04 | No | gap |
| America/Argentina/Jujuy | 1920-05-01T04:16:48Z | 1920-05-01 00:16:48 | -04:16:48 → -04:00 | -04 | No | gap |
| America/Argentina/La_Rioja | 1920-05-01T04:16:48Z | 1920-05-01 00:16:48 | -04:16:48 → -04:00 | -04 | No | gap |
| America/Argentina/Mendoza | 1920-05-01T04:16:48Z | 1920-05-01 00:16:48 | -04:16:48 → -04:00 | -04 | No | gap |
| America/Argentina/Rio_Gallegos | 1920-05-01T04:16:48Z | 1920-05-01 00:16:48 | -04:16:48 → -04:00 | -04 | No | gap |
| America/Argentina/Salta | 1920-05-01T04:16:48Z | 1920-05-01 00:16:48 | -04:16:48 → -04:00 | -04 | No | gap |
| America/Argentina/San_Juan | 1920-05-01T04:16:48Z | 1920-05-01 00:16:48 | -04:16:48 → -04:00 | -04 | No | gap |
| America/Argentina/San_Luis | 1920-05-01T04:16:48Z | 1920-05-01 00:16:48 | -04:16:48 → -04:00 | -04 | No | gap |
| America/Argentina/Tucuman | 1920-05-01T04:16:48Z | 1920-05-01 00:16:48 | -04:16:48 → -04:00 | -04 | No | gap |
| America/Argentina/Ushuaia | 1920-05-01T04:16:48Z | 1920-05-01 00:16:48 | -04:16:48 → -04:00 | -04 | No | gap |
| America/Buenos_Aires | 1920-05-01T04:16:48Z | 1920-05-01 00:16:48 | -04:16:48 → -04:00 | -04 | No | gap |
| America/Catamarca | 1920-05-01T04:16:48Z | 1920-05-01 00:16:48 | -04:16:48 → -04:00 | -04 | No | gap |
| America/Cordoba | 1920-05-01T04:16:48Z | 1920-05-01 00:16:48 | -04:16:48 → -04:00 | -04 | No | gap |
| America/Jujuy | 1920-05-01T04:16:48Z | 1920-05-01 00:16:48 | -04:16:48 → -04:00 | -04 | No | gap |
| America/Mendoza | 1920-05-01T04:16:48Z | 1920-05-01 00:16:48 | -04:16:48 → -04:00 | -04 | No | gap |
| America/Rosario | 1920-05-01T04:16:48Z | 1920-05-01 00:16:48 | -04:16:48 → -04:00 | -04 | No | gap |
| America/Montreal | 1920-05-02T07:00:00Z | 1920-05-02 03:00:00 | -05:00 → -04:00 | EDT | Yes | gap |
| America/Nipigon | 1920-05-02T07:00:00Z | 1920-05-02 03:00:00 | -05:00 → -04:00 | EDT | Yes | gap |
| America/Thunder_Bay | 1920-05-02T07:00:00Z | 1920-05-02 03:00:00 | -05:00 → -04:00 | EDT | Yes | gap |
| America/Toronto | 1920-05-02T07:00:00Z | 1920-05-02 03:00:00 | -05:00 → -04:00 | EDT | Yes | gap |
| Canada/Eastern | 1920-05-02T07:00:00Z | 1920-05-02 03:00:00 | -05:00 → -04:00 | EDT | Yes | gap |
| America/St_Johns | 1920-05-03T02:30:52Z | 1920-05-03 00:00:00 | -03:30:52 → -02:30:52 | NDT | Yes | gap |
| Canada/Newfoundland | 1920-05-03T02:30:52Z | 1920-05-03 00:00:00 | -03:30:52 → -02:30:52 | NDT | Yes | gap |
| America/Halifax | 1920-05-09T04:00:00Z | 1920-05-09 01:00:00 | -04:00 → -03:00 | ADT | Yes | gap |
| Canada/Atlantic | 1920-05-09T04:00:00Z | 1920-05-09 01:00:00 | -04:00 → -03:00 | ADT | Yes | gap |
| America/Chicago | 1920-06-13T08:00:00Z | 1920-06-13 03:00:00 | -06:00 → -05:00 | CDT | Yes | gap |
| US/Central | 1920-06-13T08:00:00Z | 1920-06-13 03:00:00 | -06:00 → -05:00 | CDT | Yes | gap |
| Europe/Vilnius | 1920-07-11T23:00:00Z | 1920-07-12 01:00:00 | +01:00 → +02:00 | EET | No | gap |
| America/Halifax | 1920-08-29T03:00:00Z | 1920-08-28 23:00:00 | -03:00 → -04:00 | AST | No | overlap |
| Canada/Atlantic | 1920-08-29T03:00:00Z | 1920-08-28 23:00:00 | -03:00 → -04:00 | AST | No | overlap |
| Africa/Accra | 1920-09-01T02:00:00Z | 1920-09-01 02:20:00 | +00:00 → +00:20 | +0020 | Yes | gap |
| Europe/Vienna | 1920-09-13T01:00:00Z | 1920-09-13 02:00:00 | +02:00 → +01:00 | CET | No | overlap |
| Europe/Malta | 1920-09-18T22:00:00Z | 1920-09-18 23:00:00 | +02:00 → +01:00 | CET | No | overlap |
| Europe/Rome | 1920-09-18T22:00:00Z | 1920-09-18 23:00:00 | +02:00 → +01:00 | CET | No | overlap |
| Europe/San_Marino | 1920-09-18T22:00:00Z | 1920-09-18 23:00:00 | +02:00 → +01:00 | CET | No | overlap |
| Europe/Vatican | 1920-09-18T22:00:00Z | 1920-09-18 23:00:00 | +02:00 → +01:00 | CET | No | overlap |
| Europe/Budapest | 1920-09-20T01:00:00Z | 1920-09-20 02:00:00 | +02:00 → +01:00 | CET | No | overlap |
| America/Montreal | 1920-09-26T04:00:00Z | 1920-09-25 23:00:00 | -04:00 → -05:00 | EST | No | overlap |
| America/Nipigon | 1920-09-26T04:00:00Z | 1920-09-25 23:00:00 | -04:00 → -05:00 | EST | No | overlap |
| America/Thunder_Bay | 1920-09-26T04:00:00Z | 1920-09-25 23:00:00 | -04:00 → -05:00 | EST | No | overlap |
| America/Toronto | 1920-09-26T04:00:00Z | 1920-09-25 23:00:00 | -04:00 → -05:00 | EST | No | overlap |
| Canada/Eastern | 1920-09-26T04:00:00Z | 1920-09-25 23:00:00 | -04:00 → -05:00 | EST | No | overlap |
| Europe/Amsterdam | 1920-09-27T01:40:28Z | 1920-09-27 02:00:00 | +01:19:32 → +00:19:32 | AMT | No | overlap |
| Asia/Damascus | 1920-10-02T23:00:00Z | 1920-10-03 01:00:00 | +03:00 → +02:00 | EET | No | overlap |
| America/Belize | 1920-10-03T06:00:00Z | 1920-10-03 00:30:00 | -06:00 → -05:30 | -0530 | Yes | gap |
| Europe/Vilnius | 1920-10-08T22:00:00Z | 1920-10-08 23:00:00 | +02:00 → +01:00 | CET | No | overlap |
| Europe/Lisbon | 1920-10-14T23:00:00Z | 1920-10-14 23:00:00 | +01:00 → +00:00 | WET | No | overlap |
| Portugal | 1920-10-14T23:00:00Z | 1920-10-14 23:00:00 | +01:00 → +00:00 | WET | No | overlap |
| WET | 1920-10-14T23:00:00Z | 1920-10-14 23:00:00 | +01:00 → +00:00 | WET | No | overlap |
| Atlantic/Madeira | 1920-10-15T00:00:00Z | 1920-10-14 23:00:00 | +00:00 → -01:00 | -01 | No | overlap |
| Atlantic/Azores | 1920-10-15T01:00:00Z | 1920-10-14 23:00:00 | -01:00 → -02:00 | -02 | No | overlap |
| Africa/Algiers | 1920-10-23T23:00:00Z | 1920-10-23 23:00:00 | +01:00 → +00:00 | WET | No | overlap |
| CET | 1920-10-23T23:00:00Z | 1920-10-23 23:00:00 | +01:00 → +00:00 | WET | No | overlap |
| Europe/Brussels | 1920-10-23T23:00:00Z | 1920-10-23 23:00:00 | +01:00 → +00:00 | WET | No | overlap |
| Europe/Monaco | 1920-10-23T23:00:00Z | 1920-10-23 23:00:00 | +01:00 → +00:00 | WET | No | overlap |
| Europe/Paris | 1920-10-23T23:00:00Z | 1920-10-23 23:00:00 | +01:00 → +00:00 | WET | No | overlap |
| MET | 1920-10-23T23:00:00Z | 1920-10-23 23:00:00 | +01:00 → +00:00 | WET | No | overlap |
| Europe/Luxembourg | 1920-10-24T01:00:00Z | 1920-10-24 01:00:00 | +01:00 → +00:00 | WET | No | overlap |
| Asia/Beirut | 1920-10-24T21:00:00Z | 1920-10-24 23:00:00 | +03:00 → +02:00 | EET | No | overlap |
| Asia/Istanbul | 1920-10-24T21:00:00Z | 1920-10-24 23:00:00 | +03:00 → +02:00 | EET | No | overlap |
| Europe/Istanbul | 1920-10-24T21:00:00Z | 1920-10-24 23:00:00 | +03:00 → +02:00 | EET | No | overlap |
| Turkey | 1920-10-24T21:00:00Z | 1920-10-24 23:00:00 | +03:00 → +02:00 | EET | No | overlap |
| Eire | 1920-10-25T02:00:00Z | 1920-10-25 02:00:00 | +01:00 → +00:00 | GMT | No | overlap |
| Europe/Belfast | 1920-10-25T02:00:00Z | 1920-10-25 02:00:00 | +01:00 → +00:00 | GMT | No | overlap |
| Europe/Dublin | 1920-10-25T02:00:00Z | 1920-10-25 02:00:00 | +01:00 → +00:00 | GMT | No | overlap |
| Europe/Gibraltar | 1920-10-25T02:00:00Z | 1920-10-25 02:00:00 | +01:00 → +00:00 | GMT | No | overlap |
| Europe/Guernsey | 1920-10-25T02:00:00Z | 1920-10-25 02:00:00 | +01:00 → +00:00 | GMT | No | overlap |
| Europe/Isle_of_Man | 1920-10-25T02:00:00Z | 1920-10-25 02:00:00 | +01:00 → +00:00 | GMT | No | overlap |
| Europe/Jersey | 1920-10-25T02:00:00Z | 1920-10-25 02:00:00 | +01:00 → +00:00 | GMT | No | overlap |
| Europe/London | 1920-10-25T02:00:00Z | 1920-10-25 02:00:00 | +01:00 → +00:00 | GMT | No | overlap |
| GB | 1920-10-25T02:00:00Z | 1920-10-25 02:00:00 | +01:00 → +00:00 | GMT | No | overlap |
| GB-Eire | 1920-10-25T02:00:00Z | 1920-10-25 02:00:00 | +01:00 → +00:00 | GMT | No | overlap |
| America/New_York | 1920-10-31T06:00:00Z | 1920-10-31 01:00:00 | -04:00 → -05:00 | EST | No | overlap |
| US/Eastern | 1920-10-31T06:00:00Z | 1920-10-31 01:00:00 | -04:00 → -05:00 | EST | No | overlap |
| America/Chicago | 1920-10-31T07:00:00Z | 1920-10-31 01:00:00 | -05:00 → -06:00 | CST | No | overlap |
| US/Central | 1920-10-31T07:00:00Z | 1920-10-31 01:00:00 | -05:00 → -06:00 | CST | No | overlap |
| America/Denver | 1920-10-31T08:00:00Z | 1920-10-31 01:00:00 | -06:00 → -07:00 | MST | No | overlap |
| America/Edmonton | 1920-10-31T08:00:00Z | 1920-10-31 01:00:00 | -06:00 → -07:00 | MST | No | overlap |
| America/Shiprock | 1920-10-31T08:00:00Z | 1920-10-31 01:00:00 | -06:00 → -07:00 | MST | No | overlap |
| America/Yellowknife | 1920-10-31T08:00:00Z | 1920-10-31 01:00:00 | -06:00 → -07:00 | MST | No | overlap |
| Canada/Mountain | 1920-10-31T08:00:00Z | 1920-10-31 01:00:00 | -06:00 → -07:00 | MST | No | overlap |
| Navajo | 1920-10-31T08:00:00Z | 1920-10-31 01:00:00 | -06:00 → -07:00 | MST | No | overlap |
| US/Mountain | 1920-10-31T08:00:00Z | 1920-10-31 01:00:00 | -06:00 → -07:00 | MST | No | overlap |
| America/St_Johns | 1920-11-01T01:30:52Z | 1920-10-31 22:00:00 | -02:30:52 → -03:30:52 | NST | No | overlap |
| Canada/Newfoundland | 1920-11-01T01:30:52Z | 1920-10-31 22:00:00 | -02:30:52 → -03:30:52 | NST | No | overlap |