Time Zone Changes in 1931
In 1931, 186 time zone transitions occurred across 107 regions worldwide. Clocks moved forward in 106 transitions (gaps) and turned back in 80 transitions (overlaps).
Advertisement Space
Transitions in 1931 (186)
| Zone | Instant (UTC) | Local Wall Time | Shift | Abbreviation | DST | Effect |
|---|---|---|---|---|---|---|
| Africa/Accra | 1931-01-01T01:40:00Z | 1931-01-01 01:40:00 | +00:20 → +00:00 | GMT | No | overlap |
| America/Guayaquil | 1931-01-01T05:14:00Z | 1931-01-01 00:14:00 | -05:14 → -05:00 | -05 | No | gap |
| Pacific/Galapagos | 1931-01-01T05:58:24Z | 1931-01-01 00:58:24 | -05:58:24 → -05:00 | -05 | No | gap |
| America/Belize | 1931-02-15T05:30:00Z | 1931-02-14 23:30:00 | -05:30 → -06:00 | CST | No | overlap |
| Antarctica/South_Pole | 1931-03-14T14:00:00Z | 1931-03-15 01:30:00 | +12:00 → +11:30 | NZMT | No | overlap |
| NZ | 1931-03-14T14:00:00Z | 1931-03-15 01:30:00 | +12:00 → +11:30 | NZMT | No | overlap |
| Pacific/Auckland | 1931-03-14T14:00:00Z | 1931-03-15 01:30:00 | +12:00 → +11:30 | NZMT | No | overlap |
| America/Argentina/Buenos_Aires | 1931-04-01T03:00:00Z | 1931-03-31 23:00:00 | -03:00 → -04:00 | -04 | No | overlap |
| America/Argentina/Catamarca | 1931-04-01T03:00:00Z | 1931-03-31 23:00:00 | -03:00 → -04:00 | -04 | No | overlap |
| America/Argentina/ComodRivadavia | 1931-04-01T03:00:00Z | 1931-03-31 23:00:00 | -03:00 → -04:00 | -04 | No | overlap |
| America/Argentina/Cordoba | 1931-04-01T03:00:00Z | 1931-03-31 23:00:00 | -03:00 → -04:00 | -04 | No | overlap |
| America/Argentina/Jujuy | 1931-04-01T03:00:00Z | 1931-03-31 23:00:00 | -03:00 → -04:00 | -04 | No | overlap |
| America/Argentina/La_Rioja | 1931-04-01T03:00:00Z | 1931-03-31 23:00:00 | -03:00 → -04:00 | -04 | No | overlap |
| America/Argentina/Mendoza | 1931-04-01T03:00:00Z | 1931-03-31 23:00:00 | -03:00 → -04:00 | -04 | No | overlap |
| America/Argentina/Rio_Gallegos | 1931-04-01T03:00:00Z | 1931-03-31 23:00:00 | -03:00 → -04:00 | -04 | No | overlap |
| America/Argentina/Salta | 1931-04-01T03:00:00Z | 1931-03-31 23:00:00 | -03:00 → -04:00 | -04 | No | overlap |
| America/Argentina/San_Juan | 1931-04-01T03:00:00Z | 1931-03-31 23:00:00 | -03:00 → -04:00 | -04 | No | overlap |
| America/Argentina/San_Luis | 1931-04-01T03:00:00Z | 1931-03-31 23:00:00 | -03:00 → -04:00 | -04 | No | overlap |
| America/Argentina/Tucuman | 1931-04-01T03:00:00Z | 1931-03-31 23:00:00 | -03:00 → -04:00 | -04 | No | overlap |
| America/Argentina/Ushuaia | 1931-04-01T03:00:00Z | 1931-03-31 23:00:00 | -03:00 → -04:00 | -04 | No | overlap |
| America/Buenos_Aires | 1931-04-01T03:00:00Z | 1931-03-31 23:00:00 | -03:00 → -04:00 | -04 | No | overlap |
| America/Catamarca | 1931-04-01T03:00:00Z | 1931-03-31 23:00:00 | -03:00 → -04:00 | -04 | No | overlap |
| America/Cordoba | 1931-04-01T03:00:00Z | 1931-03-31 23:00:00 | -03:00 → -04:00 | -04 | No | overlap |
| America/Jujuy | 1931-04-01T03:00:00Z | 1931-03-31 23:00:00 | -03:00 → -04:00 | -04 | No | overlap |
| America/Mendoza | 1931-04-01T03:00:00Z | 1931-03-31 23:00:00 | -03:00 → -04:00 | -04 | No | overlap |
| America/Rosario | 1931-04-01T03:00:00Z | 1931-03-31 23:00:00 | -03:00 → -04:00 | -04 | No | overlap |
| America/Coyhaique | 1931-04-01T04:00:00Z | 1931-03-31 23:00:00 | -04:00 → -05:00 | -05 | No | overlap |
| America/Punta_Arenas | 1931-04-01T04:00:00Z | 1931-03-31 23:00:00 | -04:00 → -05:00 | -05 | No | overlap |
| America/Santiago | 1931-04-01T04:00:00Z | 1931-03-31 23:00:00 | -04:00 → -05:00 | -05 | No | overlap |
| Chile/Continental | 1931-04-01T04:00:00Z | 1931-03-31 23:00:00 | -04:00 → -05:00 | -05 | No | overlap |
| America/Ensenada | 1931-04-01T08:00:00Z | 1931-04-01 01:00:00 | -08:00 → -07:00 | PDT | Yes | gap |
| America/Santa_Isabel | 1931-04-01T08:00:00Z | 1931-04-01 01:00:00 | -08:00 → -07:00 | PDT | Yes | gap |
| America/Tijuana | 1931-04-01T08:00:00Z | 1931-04-01 01:00:00 | -08:00 → -07:00 | PDT | Yes | gap |
| Mexico/BajaNorte | 1931-04-01T08:00:00Z | 1931-04-01 01:00:00 | -08:00 → -07:00 | PDT | Yes | gap |
| Europe/Lisbon | 1931-04-18T23:00:00Z | 1931-04-19 00:00:00 | +00:00 → +01:00 | WEST | Yes | gap |
| Europe/Monaco | 1931-04-18T23:00:00Z | 1931-04-19 00:00:00 | +00:00 → +01:00 | WEST | Yes | gap |
| Europe/Paris | 1931-04-18T23:00:00Z | 1931-04-19 00:00:00 | +00:00 → +01:00 | WEST | Yes | gap |
| Portugal | 1931-04-18T23:00:00Z | 1931-04-19 00:00:00 | +00:00 → +01:00 | WEST | Yes | gap |
| WET | 1931-04-18T23:00:00Z | 1931-04-19 00:00:00 | +00:00 → +01:00 | WEST | Yes | gap |
| Atlantic/Madeira | 1931-04-19T00:00:00Z | 1931-04-19 00:00:00 | -01:00 → +00:00 | +00 | Yes | gap |
| Atlantic/Azores | 1931-04-19T01:00:00Z | 1931-04-19 00:00:00 | -02:00 → -01:00 | -01 | Yes | gap |
| CET | 1931-04-19T02:00:00Z | 1931-04-19 03:00:00 | +00:00 → +01:00 | WEST | Yes | gap |
| Eire | 1931-04-19T02:00:00Z | 1931-04-19 03:00:00 | +00:00 → +01:00 | IST | Yes | gap |
| Europe/Belfast | 1931-04-19T02:00:00Z | 1931-04-19 03:00:00 | +00:00 → +01:00 | BST | Yes | gap |
| Europe/Brussels | 1931-04-19T02:00:00Z | 1931-04-19 03:00:00 | +00:00 → +01:00 | WEST | Yes | gap |
| Europe/Dublin | 1931-04-19T02:00:00Z | 1931-04-19 03:00:00 | +00:00 → +01:00 | IST | Yes | gap |
| Europe/Gibraltar | 1931-04-19T02:00:00Z | 1931-04-19 03:00:00 | +00:00 → +01:00 | BST | Yes | gap |
| Europe/Guernsey | 1931-04-19T02:00:00Z | 1931-04-19 03:00:00 | +00:00 → +01:00 | BST | Yes | gap |
| Europe/Isle_of_Man | 1931-04-19T02:00:00Z | 1931-04-19 03:00:00 | +00:00 → +01:00 | BST | Yes | gap |
| Europe/Jersey | 1931-04-19T02:00:00Z | 1931-04-19 03:00:00 | +00:00 → +01:00 | BST | Yes | gap |
| Europe/London | 1931-04-19T02:00:00Z | 1931-04-19 03:00:00 | +00:00 → +01:00 | BST | Yes | gap |
| Europe/Luxembourg | 1931-04-19T02:00:00Z | 1931-04-19 03:00:00 | +00:00 → +01:00 | WEST | Yes | gap |
| GB | 1931-04-19T02:00:00Z | 1931-04-19 03:00:00 | +00:00 → +01:00 | BST | Yes | gap |
| GB-Eire | 1931-04-19T02:00:00Z | 1931-04-19 03:00:00 | +00:00 → +01:00 | BST | Yes | gap |
| MET | 1931-04-19T02:00:00Z | 1931-04-19 03:00:00 | +00:00 → +01:00 | WEST | Yes | gap |
| America/Montreal | 1931-04-26T07:00:00Z | 1931-04-26 03:00:00 | -05:00 → -04:00 | EDT | Yes | gap |
| America/New_York | 1931-04-26T07:00:00Z | 1931-04-26 03:00:00 | -05:00 → -04:00 | EDT | Yes | gap |
| America/Nipigon | 1931-04-26T07:00:00Z | 1931-04-26 03:00:00 | -05:00 → -04:00 | EDT | Yes | gap |
| America/Thunder_Bay | 1931-04-26T07:00:00Z | 1931-04-26 03:00:00 | -05:00 → -04:00 | EDT | Yes | gap |
| America/Toronto | 1931-04-26T07:00:00Z | 1931-04-26 03:00:00 | -05:00 → -04:00 | EDT | Yes | gap |
| Canada/Eastern | 1931-04-26T07:00:00Z | 1931-04-26 03:00:00 | -05:00 → -04:00 | EDT | Yes | gap |
| US/Eastern | 1931-04-26T07:00:00Z | 1931-04-26 03:00:00 | -05:00 → -04:00 | EDT | Yes | gap |
| America/Chicago | 1931-04-26T08:00:00Z | 1931-04-26 03:00:00 | -06:00 → -05:00 | CDT | Yes | gap |
| US/Central | 1931-04-26T08:00:00Z | 1931-04-26 03:00:00 | -06:00 → -05:00 | CDT | Yes | gap |
| America/Bahia_Banderas | 1931-04-30T07:00:00Z | 1931-04-30 01:00:00 | -07:00 → -06:00 | MDT | Yes | gap |
| America/Chihuahua | 1931-04-30T07:00:00Z | 1931-04-30 01:00:00 | -07:00 → -06:00 | MDT | Yes | gap |
| America/Ciudad_Juarez | 1931-04-30T07:00:00Z | 1931-04-30 01:00:00 | -07:00 → -06:00 | MDT | Yes | gap |
| America/Hermosillo | 1931-04-30T07:00:00Z | 1931-04-30 01:00:00 | -07:00 → -06:00 | MDT | Yes | gap |
| America/Mazatlan | 1931-04-30T07:00:00Z | 1931-04-30 01:00:00 | -07:00 → -06:00 | MDT | Yes | gap |
| America/Mexico_City | 1931-04-30T07:00:00Z | 1931-04-30 01:00:00 | -07:00 → -06:00 | MDT | Yes | gap |
| America/Monterrey | 1931-04-30T07:00:00Z | 1931-04-30 01:00:00 | -07:00 → -06:00 | MDT | Yes | gap |
| America/Ojinaga | 1931-04-30T07:00:00Z | 1931-04-30 01:00:00 | -07:00 → -06:00 | MDT | Yes | gap |
| Mexico/BajaSur | 1931-04-30T07:00:00Z | 1931-04-30 01:00:00 | -07:00 → -06:00 | MDT | Yes | gap |
| Mexico/General | 1931-04-30T07:00:00Z | 1931-04-30 01:00:00 | -07:00 → -06:00 | MDT | Yes | gap |
| America/Regina | 1931-05-03T07:00:00Z | 1931-05-03 01:00:00 | -07:00 → -06:00 | MDT | Yes | gap |
| Canada/Saskatchewan | 1931-05-03T07:00:00Z | 1931-05-03 01:00:00 | -07:00 → -06:00 | MDT | Yes | gap |
| America/St_Johns | 1931-05-04T02:30:52Z | 1931-05-04 00:00:00 | -03:30:52 → -02:30:52 | NDT | Yes | gap |
| Canada/Newfoundland | 1931-05-04T02:30:52Z | 1931-05-04 00:00:00 | -03:30:52 → -02:30:52 | NDT | Yes | gap |
| America/Halifax | 1931-05-10T04:00:00Z | 1931-05-10 01:00:00 | -04:00 → -03:00 | ADT | Yes | gap |
| Canada/Atlantic | 1931-05-10T04:00:00Z | 1931-05-10 01:00:00 | -04:00 → -03:00 | ADT | Yes | gap |
| Europe/Amsterdam | 1931-05-15T01:40:28Z | 1931-05-15 03:00:00 | +00:19:32 → +01:19:32 | NST | Yes | gap |
| Europe/Bucharest | 1931-07-23T22:15:36Z | 1931-07-24 00:15:36 | +01:44:24 → +02:00 | EET | No | gap |
| Europe/Chisinau | 1931-07-23T22:15:36Z | 1931-07-24 00:15:36 | +01:44:24 → +02:00 | EET | No | gap |
| Europe/Tiraspol | 1931-07-23T22:15:36Z | 1931-07-24 00:15:36 | +01:44:24 → +02:00 | EET | No | gap |
| Africa/Accra | 1931-09-01T02:00:00Z | 1931-09-01 02:20:00 | +00:00 → +00:20 | +0020 | Yes | gap |
| America/Coyhaique | 1931-09-01T05:00:00Z | 1931-09-01 01:00:00 | -05:00 → -04:00 | -04 | Yes | gap |
| America/Punta_Arenas | 1931-09-01T05:00:00Z | 1931-09-01 01:00:00 | -05:00 → -04:00 | -04 | Yes | gap |
| America/Santiago | 1931-09-01T05:00:00Z | 1931-09-01 01:00:00 | -05:00 → -04:00 | -04 | Yes | gap |
| Chile/Continental | 1931-09-01T05:00:00Z | 1931-09-01 01:00:00 | -05:00 → -04:00 | -04 | Yes | gap |
| America/Montreal | 1931-09-27T06:00:00Z | 1931-09-27 01:00:00 | -04:00 → -05:00 | EST | No | overlap |
| America/New_York | 1931-09-27T06:00:00Z | 1931-09-27 01:00:00 | -04:00 → -05:00 | EST | No | overlap |
| America/Nipigon | 1931-09-27T06:00:00Z | 1931-09-27 01:00:00 | -04:00 → -05:00 | EST | No | overlap |
| America/Thunder_Bay | 1931-09-27T06:00:00Z | 1931-09-27 01:00:00 | -04:00 → -05:00 | EST | No | overlap |
| America/Toronto | 1931-09-27T06:00:00Z | 1931-09-27 01:00:00 | -04:00 → -05:00 | EST | No | overlap |
| Canada/Eastern | 1931-09-27T06:00:00Z | 1931-09-27 01:00:00 | -04:00 → -05:00 | EST | No | overlap |
| US/Eastern | 1931-09-27T06:00:00Z | 1931-09-27 01:00:00 | -04:00 → -05:00 | EST | No | overlap |
| America/Chicago | 1931-09-27T07:00:00Z | 1931-09-27 01:00:00 | -05:00 → -06:00 | CST | No | overlap |
| US/Central | 1931-09-27T07:00:00Z | 1931-09-27 01:00:00 | -05:00 → -06:00 | CST | No | overlap |
| America/Halifax | 1931-09-28T03:00:00Z | 1931-09-27 23:00:00 | -03:00 → -04:00 | AST | No | overlap |
| Canada/Atlantic | 1931-09-28T03:00:00Z | 1931-09-27 23:00:00 | -03:00 → -04:00 | AST | No | overlap |
| America/Ensenada | 1931-09-30T07:00:00Z | 1931-09-29 23:00:00 | -07:00 → -08:00 | PST | No | overlap |
| America/Santa_Isabel | 1931-09-30T07:00:00Z | 1931-09-29 23:00:00 | -07:00 → -08:00 | PST | No | overlap |
| America/Tijuana | 1931-09-30T07:00:00Z | 1931-09-29 23:00:00 | -07:00 → -08:00 | PST | No | overlap |
| Mexico/BajaNorte | 1931-09-30T07:00:00Z | 1931-09-29 23:00:00 | -07:00 → -08:00 | PST | No | overlap |
| America/Bahia_Banderas | 1931-10-01T06:00:00Z | 1931-09-30 23:00:00 | -06:00 → -07:00 | MST | No | overlap |
| America/Chihuahua | 1931-10-01T06:00:00Z | 1931-09-30 23:00:00 | -06:00 → -07:00 | MST | No | overlap |
| America/Ciudad_Juarez | 1931-10-01T06:00:00Z | 1931-09-30 23:00:00 | -06:00 → -07:00 | MST | No | overlap |
| America/Hermosillo | 1931-10-01T06:00:00Z | 1931-09-30 23:00:00 | -06:00 → -07:00 | MST | No | overlap |
| America/Mazatlan | 1931-10-01T06:00:00Z | 1931-09-30 23:00:00 | -06:00 → -07:00 | MST | No | overlap |
| America/Mexico_City | 1931-10-01T06:00:00Z | 1931-09-30 23:00:00 | -06:00 → -07:00 | MST | No | overlap |
| America/Monterrey | 1931-10-01T06:00:00Z | 1931-09-30 23:00:00 | -06:00 → -07:00 | MST | No | overlap |
| America/Ojinaga | 1931-10-01T06:00:00Z | 1931-09-30 23:00:00 | -06:00 → -07:00 | MST | No | overlap |
| Mexico/BajaSur | 1931-10-01T06:00:00Z | 1931-09-30 23:00:00 | -06:00 → -07:00 | MST | No | overlap |
| Mexico/General | 1931-10-01T06:00:00Z | 1931-09-30 23:00:00 | -06:00 → -07:00 | MST | No | overlap |
| America/Noronha | 1931-10-03T13:00:00Z | 1931-10-03 12:00:00 | -02:00 → -01:00 | -01 | Yes | gap |
| Brazil/DeNoronha | 1931-10-03T13:00:00Z | 1931-10-03 12:00:00 | -02:00 → -01:00 | -01 | Yes | gap |
| America/Araguaina | 1931-10-03T14:00:00Z | 1931-10-03 12:00:00 | -03:00 → -02:00 | -02 | Yes | gap |
| America/Bahia | 1931-10-03T14:00:00Z | 1931-10-03 12:00:00 | -03:00 → -02:00 | -02 | Yes | gap |
| America/Belem | 1931-10-03T14:00:00Z | 1931-10-03 12:00:00 | -03:00 → -02:00 | -02 | Yes | gap |
| America/Fortaleza | 1931-10-03T14:00:00Z | 1931-10-03 12:00:00 | -03:00 → -02:00 | -02 | Yes | gap |
| America/Maceio | 1931-10-03T14:00:00Z | 1931-10-03 12:00:00 | -03:00 → -02:00 | -02 | Yes | gap |
| America/Recife | 1931-10-03T14:00:00Z | 1931-10-03 12:00:00 | -03:00 → -02:00 | -02 | Yes | gap |
| America/Sao_Paulo | 1931-10-03T14:00:00Z | 1931-10-03 12:00:00 | -03:00 → -02:00 | -02 | Yes | gap |
| Brazil/East | 1931-10-03T14:00:00Z | 1931-10-03 12:00:00 | -03:00 → -02:00 | -02 | Yes | gap |
| America/Boa_Vista | 1931-10-03T15:00:00Z | 1931-10-03 12:00:00 | -04:00 → -03:00 | -03 | Yes | gap |
| America/Campo_Grande | 1931-10-03T15:00:00Z | 1931-10-03 12:00:00 | -04:00 → -03:00 | -03 | Yes | gap |
| America/Cuiaba | 1931-10-03T15:00:00Z | 1931-10-03 12:00:00 | -04:00 → -03:00 | -03 | Yes | gap |
| America/Manaus | 1931-10-03T15:00:00Z | 1931-10-03 12:00:00 | -04:00 → -03:00 | -03 | Yes | gap |
| America/Porto_Velho | 1931-10-03T15:00:00Z | 1931-10-03 12:00:00 | -04:00 → -03:00 | -03 | Yes | gap |
| America/Santarem | 1931-10-03T15:00:00Z | 1931-10-03 12:00:00 | -04:00 → -03:00 | -03 | Yes | gap |
| Brazil/West | 1931-10-03T15:00:00Z | 1931-10-03 12:00:00 | -04:00 → -03:00 | -03 | Yes | gap |
| America/Eirunepe | 1931-10-03T16:00:00Z | 1931-10-03 12:00:00 | -05:00 → -04:00 | -04 | Yes | gap |
| America/Porto_Acre | 1931-10-03T16:00:00Z | 1931-10-03 12:00:00 | -05:00 → -04:00 | -04 | Yes | gap |
| America/Rio_Branco | 1931-10-03T16:00:00Z | 1931-10-03 12:00:00 | -05:00 → -04:00 | -04 | Yes | gap |
| Brazil/Acre | 1931-10-03T16:00:00Z | 1931-10-03 12:00:00 | -05:00 → -04:00 | -04 | Yes | gap |
| Europe/Lisbon | 1931-10-03T23:00:00Z | 1931-10-03 23:00:00 | +01:00 → +00:00 | WET | No | overlap |
| Europe/Monaco | 1931-10-03T23:00:00Z | 1931-10-03 23:00:00 | +01:00 → +00:00 | WET | No | overlap |
| Europe/Paris | 1931-10-03T23:00:00Z | 1931-10-03 23:00:00 | +01:00 → +00:00 | WET | No | overlap |
| Portugal | 1931-10-03T23:00:00Z | 1931-10-03 23:00:00 | +01:00 → +00:00 | WET | No | overlap |
| WET | 1931-10-03T23:00:00Z | 1931-10-03 23:00:00 | +01:00 → +00:00 | WET | No | overlap |
| Atlantic/Madeira | 1931-10-04T00:00:00Z | 1931-10-03 23:00:00 | +00:00 → -01:00 | -01 | No | overlap |
| Atlantic/Azores | 1931-10-04T01:00:00Z | 1931-10-03 23:00:00 | -01:00 → -02:00 | -02 | No | overlap |
| Europe/Amsterdam | 1931-10-04T01:40:28Z | 1931-10-04 02:00:00 | +01:19:32 → +00:19:32 | AMT | No | overlap |
| CET | 1931-10-04T02:00:00Z | 1931-10-04 02:00:00 | +01:00 → +00:00 | WET | No | overlap |
| Eire | 1931-10-04T02:00:00Z | 1931-10-04 02:00:00 | +01:00 → +00:00 | GMT | No | overlap |
| Europe/Belfast | 1931-10-04T02:00:00Z | 1931-10-04 02:00:00 | +01:00 → +00:00 | GMT | No | overlap |
| Europe/Brussels | 1931-10-04T02:00:00Z | 1931-10-04 02:00:00 | +01:00 → +00:00 | WET | No | overlap |
| Europe/Dublin | 1931-10-04T02:00:00Z | 1931-10-04 02:00:00 | +01:00 → +00:00 | GMT | No | overlap |
| Europe/Gibraltar | 1931-10-04T02:00:00Z | 1931-10-04 02:00:00 | +01:00 → +00:00 | GMT | No | overlap |
| Europe/Guernsey | 1931-10-04T02:00:00Z | 1931-10-04 02:00:00 | +01:00 → +00:00 | GMT | No | overlap |
| Europe/Isle_of_Man | 1931-10-04T02:00:00Z | 1931-10-04 02:00:00 | +01:00 → +00:00 | GMT | No | overlap |
| Europe/Jersey | 1931-10-04T02:00:00Z | 1931-10-04 02:00:00 | +01:00 → +00:00 | GMT | No | overlap |
| Europe/London | 1931-10-04T02:00:00Z | 1931-10-04 02:00:00 | +01:00 → +00:00 | GMT | No | overlap |
| Europe/Luxembourg | 1931-10-04T02:00:00Z | 1931-10-04 02:00:00 | +01:00 → +00:00 | WET | No | overlap |
| GB | 1931-10-04T02:00:00Z | 1931-10-04 02:00:00 | +01:00 → +00:00 | GMT | No | overlap |
| GB-Eire | 1931-10-04T02:00:00Z | 1931-10-04 02:00:00 | +01:00 → +00:00 | GMT | No | overlap |
| MET | 1931-10-04T02:00:00Z | 1931-10-04 02:00:00 | +01:00 → +00:00 | WET | No | overlap |
| America/Belize | 1931-10-04T06:00:00Z | 1931-10-04 00:30:00 | -06:00 → -05:30 | -0530 | Yes | gap |
| America/Regina | 1931-10-04T06:00:00Z | 1931-10-03 23:00:00 | -06:00 → -07:00 | MST | No | overlap |
| Canada/Saskatchewan | 1931-10-04T06:00:00Z | 1931-10-03 23:00:00 | -06:00 → -07:00 | MST | No | overlap |
| America/Asuncion | 1931-10-10T03:50:40Z | 1931-10-09 23:50:40 | -03:50:40 → -04:00 | -04 | No | overlap |
| Antarctica/South_Pole | 1931-10-10T14:30:00Z | 1931-10-11 02:30:00 | +11:30 → +12:00 | NZST | Yes | gap |
| NZ | 1931-10-10T14:30:00Z | 1931-10-11 02:30:00 | +11:30 → +12:00 | NZST | Yes | gap |
| Pacific/Auckland | 1931-10-10T14:30:00Z | 1931-10-11 02:30:00 | +11:30 → +12:00 | NZST | Yes | gap |
| America/Argentina/Buenos_Aires | 1931-10-15T04:00:00Z | 1931-10-15 01:00:00 | -04:00 → -03:00 | -03 | Yes | gap |
| America/Argentina/Catamarca | 1931-10-15T04:00:00Z | 1931-10-15 01:00:00 | -04:00 → -03:00 | -03 | Yes | gap |
| America/Argentina/ComodRivadavia | 1931-10-15T04:00:00Z | 1931-10-15 01:00:00 | -04:00 → -03:00 | -03 | Yes | gap |
| America/Argentina/Cordoba | 1931-10-15T04:00:00Z | 1931-10-15 01:00:00 | -04:00 → -03:00 | -03 | Yes | gap |
| America/Argentina/Jujuy | 1931-10-15T04:00:00Z | 1931-10-15 01:00:00 | -04:00 → -03:00 | -03 | Yes | gap |
| America/Argentina/La_Rioja | 1931-10-15T04:00:00Z | 1931-10-15 01:00:00 | -04:00 → -03:00 | -03 | Yes | gap |
| America/Argentina/Mendoza | 1931-10-15T04:00:00Z | 1931-10-15 01:00:00 | -04:00 → -03:00 | -03 | Yes | gap |
| America/Argentina/Rio_Gallegos | 1931-10-15T04:00:00Z | 1931-10-15 01:00:00 | -04:00 → -03:00 | -03 | Yes | gap |
| America/Argentina/Salta | 1931-10-15T04:00:00Z | 1931-10-15 01:00:00 | -04:00 → -03:00 | -03 | Yes | gap |
| America/Argentina/San_Juan | 1931-10-15T04:00:00Z | 1931-10-15 01:00:00 | -04:00 → -03:00 | -03 | Yes | gap |
| America/Argentina/San_Luis | 1931-10-15T04:00:00Z | 1931-10-15 01:00:00 | -04:00 → -03:00 | -03 | Yes | gap |
| America/Argentina/Tucuman | 1931-10-15T04:00:00Z | 1931-10-15 01:00:00 | -04:00 → -03:00 | -03 | Yes | gap |
| America/Argentina/Ushuaia | 1931-10-15T04:00:00Z | 1931-10-15 01:00:00 | -04:00 → -03:00 | -03 | Yes | gap |
| America/Buenos_Aires | 1931-10-15T04:00:00Z | 1931-10-15 01:00:00 | -04:00 → -03:00 | -03 | Yes | gap |
| America/Catamarca | 1931-10-15T04:00:00Z | 1931-10-15 01:00:00 | -04:00 → -03:00 | -03 | Yes | gap |
| America/Cordoba | 1931-10-15T04:00:00Z | 1931-10-15 01:00:00 | -04:00 → -03:00 | -03 | Yes | gap |
| America/Jujuy | 1931-10-15T04:00:00Z | 1931-10-15 01:00:00 | -04:00 → -03:00 | -03 | Yes | gap |
| America/Mendoza | 1931-10-15T04:00:00Z | 1931-10-15 01:00:00 | -04:00 → -03:00 | -03 | Yes | gap |
| America/Rosario | 1931-10-15T04:00:00Z | 1931-10-15 01:00:00 | -04:00 → -03:00 | -03 | Yes | gap |
| America/La_Paz | 1931-10-15T04:32:36Z | 1931-10-15 01:00:00 | -04:32:36 → -03:32:36 | BST | Yes | gap |
| America/St_Johns | 1931-10-26T01:30:52Z | 1931-10-25 22:00:00 | -02:30:52 → -03:30:52 | NST | No | overlap |
| Canada/Newfoundland | 1931-10-26T01:30:52Z | 1931-10-25 22:00:00 | -02:30:52 → -03:30:52 | NST | No | overlap |