Time Zone Changes in 1981
In 1981, 450 time zone transitions occurred across 230 regions worldwide. Clocks moved forward in 230 transitions (gaps) and turned back in 215 transitions (overlaps).
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Transitions in 1981 (450)
| Zone | Instant (UTC) | Local Wall Time | Shift | Abbreviation | DST | Effect |
|---|---|---|---|---|---|---|
| Antarctica/McMurdo | 1981-02-28T14:00:00Z | 1981-03-01 02:00:00 | +13:00 → +12:00 | NZST | No | overlap |
| Antarctica/South_Pole | 1981-02-28T14:00:00Z | 1981-03-01 02:00:00 | +13:00 → +12:00 | NZST | No | overlap |
| Australia/LHI | 1981-02-28T14:00:00Z | 1981-03-01 00:30:00 | +10:00 → +10:30 | +1030 | No | gap |
| Australia/Lord_Howe | 1981-02-28T14:00:00Z | 1981-03-01 00:30:00 | +10:00 → +10:30 | +1030 | No | gap |
| NZ | 1981-02-28T14:00:00Z | 1981-03-01 02:00:00 | +13:00 → +12:00 | NZST | No | overlap |
| NZ-CHAT | 1981-02-28T14:00:00Z | 1981-03-01 02:45:00 | +13:45 → +12:45 | +1245 | No | overlap |
| Pacific/Auckland | 1981-02-28T14:00:00Z | 1981-03-01 02:00:00 | +13:00 → +12:00 | NZST | No | overlap |
| Pacific/Chatham | 1981-02-28T14:00:00Z | 1981-03-01 02:45:00 | +13:45 → +12:45 | +1245 | No | overlap |
| Antarctica/Macquarie | 1981-02-28T16:00:00Z | 1981-03-01 02:00:00 | +11:00 → +10:00 | AEST | No | overlap |
| Australia/ACT | 1981-02-28T16:00:00Z | 1981-03-01 02:00:00 | +11:00 → +10:00 | AEST | No | overlap |
| Australia/Canberra | 1981-02-28T16:00:00Z | 1981-03-01 02:00:00 | +11:00 → +10:00 | AEST | No | overlap |
| Australia/Currie | 1981-02-28T16:00:00Z | 1981-03-01 02:00:00 | +11:00 → +10:00 | AEST | No | overlap |
| Australia/Hobart | 1981-02-28T16:00:00Z | 1981-03-01 02:00:00 | +11:00 → +10:00 | AEST | No | overlap |
| Australia/Melbourne | 1981-02-28T16:00:00Z | 1981-03-01 02:00:00 | +11:00 → +10:00 | AEST | No | overlap |
| Australia/NSW | 1981-02-28T16:00:00Z | 1981-03-01 02:00:00 | +11:00 → +10:00 | AEST | No | overlap |
| Australia/Sydney | 1981-02-28T16:00:00Z | 1981-03-01 02:00:00 | +11:00 → +10:00 | AEST | No | overlap |
| Australia/Tasmania | 1981-02-28T16:00:00Z | 1981-03-01 02:00:00 | +11:00 → +10:00 | AEST | No | overlap |
| Australia/Victoria | 1981-02-28T16:00:00Z | 1981-03-01 02:00:00 | +11:00 → +10:00 | AEST | No | overlap |
| Australia/Adelaide | 1981-02-28T16:30:00Z | 1981-03-01 02:00:00 | +10:30 → +09:30 | ACST | No | overlap |
| Australia/Broken_Hill | 1981-02-28T16:30:00Z | 1981-03-01 02:00:00 | +10:30 → +09:30 | ACST | No | overlap |
| Australia/South | 1981-02-28T16:30:00Z | 1981-03-01 02:00:00 | +10:30 → +09:30 | ACST | No | overlap |
| Australia/Yancowinna | 1981-02-28T16:30:00Z | 1981-03-01 02:00:00 | +10:30 → +09:30 | ACST | No | overlap |
| Pacific/Rarotonga | 1981-03-01T09:30:00Z | 1981-02-28 23:30:00 | -09:30 → -10:00 | -10 | No | overlap |
| America/Coyhaique | 1981-03-15T03:00:00Z | 1981-03-14 23:00:00 | -03:00 → -04:00 | -04 | No | overlap |
| America/Punta_Arenas | 1981-03-15T03:00:00Z | 1981-03-14 23:00:00 | -03:00 → -04:00 | -04 | No | overlap |
| America/Santiago | 1981-03-15T03:00:00Z | 1981-03-14 23:00:00 | -03:00 → -04:00 | -04 | No | overlap |
| Chile/Continental | 1981-03-15T03:00:00Z | 1981-03-14 23:00:00 | -03:00 → -04:00 | -04 | No | overlap |
| Chile/EasterIsland | 1981-03-15T03:00:00Z | 1981-03-14 20:00:00 | -06:00 → -07:00 | -07 | No | overlap |
| Pacific/Easter | 1981-03-15T03:00:00Z | 1981-03-14 20:00:00 | -06:00 → -07:00 | -07 | No | overlap |
| Asia/Famagusta | 1981-03-28T22:00:00Z | 1981-03-29 01:00:00 | +02:00 → +03:00 | EEST | Yes | gap |
| Asia/Nicosia | 1981-03-28T22:00:00Z | 1981-03-29 01:00:00 | +02:00 → +03:00 | EEST | Yes | gap |
| Europe/Nicosia | 1981-03-28T22:00:00Z | 1981-03-29 01:00:00 | +02:00 → +03:00 | EEST | Yes | gap |
| Europe/Budapest | 1981-03-28T23:00:00Z | 1981-03-29 01:00:00 | +01:00 → +02:00 | CEST | Yes | gap |
| Europe/Bucharest | 1981-03-29T00:00:00Z | 1981-03-29 03:00:00 | +02:00 → +03:00 | EEST | Yes | gap |
| Europe/Helsinki | 1981-03-29T00:00:00Z | 1981-03-29 03:00:00 | +02:00 → +03:00 | EEST | Yes | gap |
| Europe/Lisbon | 1981-03-29T00:00:00Z | 1981-03-29 01:00:00 | +00:00 → +01:00 | WEST | Yes | gap |
| Europe/Mariehamn | 1981-03-29T00:00:00Z | 1981-03-29 03:00:00 | +02:00 → +03:00 | EEST | Yes | gap |
| Europe/Warsaw | 1981-03-29T00:00:00Z | 1981-03-29 02:00:00 | +01:00 → +02:00 | CEST | Yes | gap |
| Poland | 1981-03-29T00:00:00Z | 1981-03-29 02:00:00 | +01:00 → +02:00 | CEST | Yes | gap |
| Portugal | 1981-03-29T00:00:00Z | 1981-03-29 01:00:00 | +00:00 → +01:00 | WEST | Yes | gap |
| WET | 1981-03-29T00:00:00Z | 1981-03-29 01:00:00 | +00:00 → +01:00 | WEST | Yes | gap |
| America/Danmarkshavn | 1981-03-29T01:00:00Z | 1981-03-28 23:00:00 | -03:00 → -02:00 | -02 | Yes | gap |
| America/Godthab | 1981-03-29T01:00:00Z | 1981-03-28 23:00:00 | -03:00 → -02:00 | -02 | Yes | gap |
| America/Nuuk | 1981-03-29T01:00:00Z | 1981-03-28 23:00:00 | -03:00 → -02:00 | -02 | Yes | gap |
| Arctic/Longyearbyen | 1981-03-29T01:00:00Z | 1981-03-29 03:00:00 | +01:00 → +02:00 | CEST | Yes | gap |
| Atlantic/Canary | 1981-03-29T01:00:00Z | 1981-03-29 02:00:00 | +00:00 → +01:00 | WEST | Yes | gap |
| Atlantic/Faeroe | 1981-03-29T01:00:00Z | 1981-03-29 02:00:00 | +00:00 → +01:00 | WEST | Yes | gap |
| Atlantic/Faroe | 1981-03-29T01:00:00Z | 1981-03-29 02:00:00 | +00:00 → +01:00 | WEST | Yes | gap |
| Atlantic/Jan_Mayen | 1981-03-29T01:00:00Z | 1981-03-29 03:00:00 | +01:00 → +02:00 | CEST | Yes | gap |
| CET | 1981-03-29T01:00:00Z | 1981-03-29 03:00:00 | +01:00 → +02:00 | CEST | Yes | gap |
| EET | 1981-03-29T01:00:00Z | 1981-03-29 04:00:00 | +02:00 → +03:00 | EEST | Yes | gap |
| Eire | 1981-03-29T01:00:00Z | 1981-03-29 02:00:00 | +00:00 → +01:00 | IST | No | gap |
| Europe/Amsterdam | 1981-03-29T01:00:00Z | 1981-03-29 03:00:00 | +01:00 → +02:00 | CEST | Yes | gap |
| Europe/Athens | 1981-03-29T01:00:00Z | 1981-03-29 04:00:00 | +02:00 → +03:00 | EEST | Yes | gap |
| Europe/Belfast | 1981-03-29T01:00:00Z | 1981-03-29 02:00:00 | +00:00 → +01:00 | BST | Yes | gap |
| Europe/Berlin | 1981-03-29T01:00:00Z | 1981-03-29 03:00:00 | +01:00 → +02:00 | CEST | Yes | gap |
| Europe/Bratislava | 1981-03-29T01:00:00Z | 1981-03-29 03:00:00 | +01:00 → +02:00 | CEST | Yes | gap |
| Europe/Brussels | 1981-03-29T01:00:00Z | 1981-03-29 03:00:00 | +01:00 → +02:00 | CEST | Yes | gap |
| Europe/Busingen | 1981-03-29T01:00:00Z | 1981-03-29 03:00:00 | +01:00 → +02:00 | CEST | Yes | gap |
| Europe/Copenhagen | 1981-03-29T01:00:00Z | 1981-03-29 03:00:00 | +01:00 → +02:00 | CEST | Yes | gap |
| Europe/Dublin | 1981-03-29T01:00:00Z | 1981-03-29 02:00:00 | +00:00 → +01:00 | IST | No | gap |
| Europe/Guernsey | 1981-03-29T01:00:00Z | 1981-03-29 02:00:00 | +00:00 → +01:00 | BST | Yes | gap |
| Europe/Isle_of_Man | 1981-03-29T01:00:00Z | 1981-03-29 02:00:00 | +00:00 → +01:00 | BST | Yes | gap |
| Europe/Jersey | 1981-03-29T01:00:00Z | 1981-03-29 02:00:00 | +00:00 → +01:00 | BST | Yes | gap |
| Europe/London | 1981-03-29T01:00:00Z | 1981-03-29 02:00:00 | +00:00 → +01:00 | BST | Yes | gap |
| Europe/Luxembourg | 1981-03-29T01:00:00Z | 1981-03-29 03:00:00 | +01:00 → +02:00 | CEST | Yes | gap |
| Europe/Madrid | 1981-03-29T01:00:00Z | 1981-03-29 03:00:00 | +01:00 → +02:00 | CEST | Yes | gap |
| Europe/Malta | 1981-03-29T01:00:00Z | 1981-03-29 03:00:00 | +01:00 → +02:00 | CEST | Yes | gap |
| Europe/Monaco | 1981-03-29T01:00:00Z | 1981-03-29 03:00:00 | +01:00 → +02:00 | CEST | Yes | gap |
| Europe/Oslo | 1981-03-29T01:00:00Z | 1981-03-29 03:00:00 | +01:00 → +02:00 | CEST | Yes | gap |
| Europe/Paris | 1981-03-29T01:00:00Z | 1981-03-29 03:00:00 | +01:00 → +02:00 | CEST | Yes | gap |
| Europe/Prague | 1981-03-29T01:00:00Z | 1981-03-29 03:00:00 | +01:00 → +02:00 | CEST | Yes | gap |
| Europe/Rome | 1981-03-29T01:00:00Z | 1981-03-29 03:00:00 | +01:00 → +02:00 | CEST | Yes | gap |
| Europe/San_Marino | 1981-03-29T01:00:00Z | 1981-03-29 03:00:00 | +01:00 → +02:00 | CEST | Yes | gap |
| Europe/Stockholm | 1981-03-29T01:00:00Z | 1981-03-29 03:00:00 | +01:00 → +02:00 | CEST | Yes | gap |
| Europe/Vaduz | 1981-03-29T01:00:00Z | 1981-03-29 03:00:00 | +01:00 → +02:00 | CEST | Yes | gap |
| Europe/Vatican | 1981-03-29T01:00:00Z | 1981-03-29 03:00:00 | +01:00 → +02:00 | CEST | Yes | gap |
| Europe/Vienna | 1981-03-29T01:00:00Z | 1981-03-29 03:00:00 | +01:00 → +02:00 | CEST | Yes | gap |
| Europe/Zurich | 1981-03-29T01:00:00Z | 1981-03-29 03:00:00 | +01:00 → +02:00 | CEST | Yes | gap |
| GB | 1981-03-29T01:00:00Z | 1981-03-29 02:00:00 | +00:00 → +01:00 | BST | Yes | gap |
| GB-Eire | 1981-03-29T01:00:00Z | 1981-03-29 02:00:00 | +00:00 → +01:00 | BST | Yes | gap |
| MET | 1981-03-29T01:00:00Z | 1981-03-29 03:00:00 | +01:00 → +02:00 | CEST | Yes | gap |
| America/Scoresbysund | 1981-03-29T02:00:00Z | 1981-03-29 02:00:00 | -02:00 → +00:00 | +00 | Yes | gap |
| Asia/Anadyr | 1981-03-31T11:00:00Z | 1981-04-01 01:00:00 | +13:00 → +14:00 | +14 | Yes | gap |
| Asia/Kamchatka | 1981-03-31T12:00:00Z | 1981-04-01 01:00:00 | +12:00 → +13:00 | +13 | Yes | gap |
| Asia/Magadan | 1981-03-31T13:00:00Z | 1981-04-01 01:00:00 | +11:00 → +12:00 | +12 | Yes | gap |
| Asia/Sakhalin | 1981-03-31T13:00:00Z | 1981-04-01 01:00:00 | +11:00 → +12:00 | +12 | Yes | gap |
| Asia/Srednekolymsk | 1981-03-31T13:00:00Z | 1981-04-01 01:00:00 | +11:00 → +12:00 | +12 | Yes | gap |
| Asia/Vladivostok | 1981-03-31T14:00:00Z | 1981-04-01 01:00:00 | +10:00 → +11:00 | +11 | Yes | gap |
| Asia/Chita | 1981-03-31T15:00:00Z | 1981-04-01 01:00:00 | +09:00 → +10:00 | +10 | Yes | gap |
| Asia/Khandyga | 1981-03-31T15:00:00Z | 1981-04-01 01:00:00 | +09:00 → +10:00 | +10 | Yes | gap |
| Asia/Ust-Nera | 1981-03-31T15:00:00Z | 1981-04-01 03:00:00 | +09:00 → +12:00 | +12 | Yes | gap |
| Asia/Yakutsk | 1981-03-31T15:00:00Z | 1981-04-01 01:00:00 | +09:00 → +10:00 | +10 | Yes | gap |
| Asia/Irkutsk | 1981-03-31T16:00:00Z | 1981-04-01 01:00:00 | +08:00 → +09:00 | +09 | Yes | gap |
| Asia/Barnaul | 1981-03-31T17:00:00Z | 1981-04-01 01:00:00 | +07:00 → +08:00 | +08 | Yes | gap |
| Asia/Krasnoyarsk | 1981-03-31T17:00:00Z | 1981-04-01 01:00:00 | +07:00 → +08:00 | +08 | Yes | gap |
| Asia/Novokuznetsk | 1981-03-31T17:00:00Z | 1981-04-01 01:00:00 | +07:00 → +08:00 | +08 | Yes | gap |
| Asia/Novosibirsk | 1981-03-31T17:00:00Z | 1981-04-01 01:00:00 | +07:00 → +08:00 | +08 | Yes | gap |
| Asia/Tomsk | 1981-03-31T17:00:00Z | 1981-04-01 01:00:00 | +07:00 → +08:00 | +08 | Yes | gap |
| Asia/Almaty | 1981-03-31T18:00:00Z | 1981-04-01 01:00:00 | +06:00 → +07:00 | +07 | Yes | gap |
| Asia/Bishkek | 1981-03-31T18:00:00Z | 1981-04-01 01:00:00 | +06:00 → +07:00 | +07 | Yes | gap |
| Asia/Dushanbe | 1981-03-31T18:00:00Z | 1981-04-01 01:00:00 | +06:00 → +07:00 | +07 | Yes | gap |
| Asia/Omsk | 1981-03-31T18:00:00Z | 1981-04-01 01:00:00 | +06:00 → +07:00 | +07 | Yes | gap |
| Asia/Tashkent | 1981-03-31T18:00:00Z | 1981-04-01 01:00:00 | +06:00 → +07:00 | +07 | Yes | gap |
| Asia/Aqtobe | 1981-03-31T19:00:00Z | 1981-04-01 01:00:00 | +05:00 → +06:00 | +06 | Yes | gap |
| Asia/Ashgabat | 1981-03-31T19:00:00Z | 1981-04-01 01:00:00 | +05:00 → +06:00 | +06 | Yes | gap |
| Asia/Ashkhabad | 1981-03-31T19:00:00Z | 1981-04-01 01:00:00 | +05:00 → +06:00 | +06 | Yes | gap |
| Asia/Oral | 1981-03-31T19:00:00Z | 1981-04-01 01:00:00 | +05:00 → +06:00 | +06 | Yes | gap |
| Asia/Qostanay | 1981-03-31T19:00:00Z | 1981-04-01 01:00:00 | +05:00 → +06:00 | +06 | Yes | gap |
| Asia/Qyzylorda | 1981-03-31T19:00:00Z | 1981-04-01 01:00:00 | +05:00 → +06:00 | +06 | Yes | gap |
| Asia/Samarkand | 1981-03-31T19:00:00Z | 1981-04-01 01:00:00 | +05:00 → +06:00 | +06 | Yes | gap |
| Asia/Yekaterinburg | 1981-03-31T19:00:00Z | 1981-04-01 01:00:00 | +05:00 → +06:00 | +06 | Yes | gap |
| Asia/Baku | 1981-03-31T20:00:00Z | 1981-04-01 01:00:00 | +04:00 → +05:00 | +05 | Yes | gap |
| Asia/Tbilisi | 1981-03-31T20:00:00Z | 1981-04-01 01:00:00 | +04:00 → +05:00 | +05 | Yes | gap |
| Asia/Yerevan | 1981-03-31T20:00:00Z | 1981-04-01 01:00:00 | +04:00 → +05:00 | +05 | Yes | gap |
| Europe/Astrakhan | 1981-03-31T20:00:00Z | 1981-04-01 01:00:00 | +04:00 → +05:00 | +05 | Yes | gap |
| Europe/Kirov | 1981-03-31T20:00:00Z | 1981-04-01 01:00:00 | +04:00 → +05:00 | +05 | Yes | gap |
| Europe/Samara | 1981-03-31T20:00:00Z | 1981-04-01 01:00:00 | +04:00 → +05:00 | +05 | Yes | gap |
| Europe/Saratov | 1981-03-31T20:00:00Z | 1981-04-01 01:00:00 | +04:00 → +05:00 | +05 | Yes | gap |
| Europe/Ulyanovsk | 1981-03-31T20:00:00Z | 1981-04-01 01:00:00 | +04:00 → +05:00 | +05 | Yes | gap |
| Europe/Volgograd | 1981-03-31T20:00:00Z | 1981-04-01 01:00:00 | +04:00 → +05:00 | +05 | Yes | gap |
| Europe/Chisinau | 1981-03-31T21:00:00Z | 1981-04-01 01:00:00 | +03:00 → +04:00 | MSD | Yes | gap |
| Europe/Kaliningrad | 1981-03-31T21:00:00Z | 1981-04-01 01:00:00 | +03:00 → +04:00 | MSD | Yes | gap |
| Europe/Kiev | 1981-03-31T21:00:00Z | 1981-04-01 01:00:00 | +03:00 → +04:00 | MSD | Yes | gap |
| Europe/Kyiv | 1981-03-31T21:00:00Z | 1981-04-01 01:00:00 | +03:00 → +04:00 | MSD | Yes | gap |
| Europe/Minsk | 1981-03-31T21:00:00Z | 1981-04-01 01:00:00 | +03:00 → +04:00 | MSD | Yes | gap |
| Europe/Moscow | 1981-03-31T21:00:00Z | 1981-04-01 01:00:00 | +03:00 → +04:00 | MSD | Yes | gap |
| Europe/Riga | 1981-03-31T21:00:00Z | 1981-04-01 01:00:00 | +03:00 → +04:00 | MSD | Yes | gap |
| Europe/Simferopol | 1981-03-31T21:00:00Z | 1981-04-01 01:00:00 | +03:00 → +04:00 | MSD | Yes | gap |
| Europe/Tallinn | 1981-03-31T21:00:00Z | 1981-04-01 01:00:00 | +03:00 → +04:00 | MSD | Yes | gap |
| Europe/Tiraspol | 1981-03-31T21:00:00Z | 1981-04-01 01:00:00 | +03:00 → +04:00 | MSD | Yes | gap |
| Europe/Uzhgorod | 1981-03-31T21:00:00Z | 1981-04-01 01:00:00 | +03:00 → +04:00 | MSD | Yes | gap |
| Europe/Vilnius | 1981-03-31T21:00:00Z | 1981-04-01 01:00:00 | +03:00 → +04:00 | MSD | Yes | gap |
| Europe/Zaporozhye | 1981-03-31T21:00:00Z | 1981-04-01 01:00:00 | +03:00 → +04:00 | MSD | Yes | gap |
| W-SU | 1981-03-31T21:00:00Z | 1981-04-01 01:00:00 | +03:00 → +04:00 | MSD | Yes | gap |
| America/Asuncion | 1981-04-01T03:00:00Z | 1981-03-31 23:00:00 | -03:00 → -04:00 | -04 | No | overlap |
| Europe/Sofia | 1981-04-04T21:00:00Z | 1981-04-05 00:00:00 | +02:00 → +03:00 | EEST | Yes | gap |
| Africa/Juba | 1981-04-25T22:00:00Z | 1981-04-26 01:00:00 | +02:00 → +03:00 | CAST | Yes | gap |
| Africa/Khartoum | 1981-04-25T22:00:00Z | 1981-04-26 01:00:00 | +02:00 → +03:00 | CAST | Yes | gap |
| Europe/Tirane | 1981-04-25T23:00:00Z | 1981-04-26 01:00:00 | +01:00 → +02:00 | CEST | Yes | gap |
| America/St_Johns | 1981-04-26T05:30:00Z | 1981-04-26 03:00:00 | -03:30 → -02:30 | NDT | Yes | gap |
| Canada/Newfoundland | 1981-04-26T05:30:00Z | 1981-04-26 03:00:00 | -03:30 → -02:30 | NDT | Yes | gap |
| America/Glace_Bay | 1981-04-26T06:00:00Z | 1981-04-26 03:00:00 | -04:00 → -03:00 | ADT | Yes | gap |
| America/Goose_Bay | 1981-04-26T06:00:00Z | 1981-04-26 03:00:00 | -04:00 → -03:00 | ADT | Yes | gap |
| America/Halifax | 1981-04-26T06:00:00Z | 1981-04-26 03:00:00 | -04:00 → -03:00 | ADT | Yes | gap |
| America/Moncton | 1981-04-26T06:00:00Z | 1981-04-26 03:00:00 | -04:00 → -03:00 | ADT | Yes | gap |
| Atlantic/Bermuda | 1981-04-26T06:00:00Z | 1981-04-26 03:00:00 | -04:00 → -03:00 | ADT | Yes | gap |
| Canada/Atlantic | 1981-04-26T06:00:00Z | 1981-04-26 03:00:00 | -04:00 → -03:00 | ADT | Yes | gap |
| America/Detroit | 1981-04-26T07:00:00Z | 1981-04-26 03:00:00 | -05:00 → -04:00 | EDT | Yes | gap |
| America/Grand_Turk | 1981-04-26T07:00:00Z | 1981-04-26 03:00:00 | -05:00 → -04:00 | EDT | Yes | gap |
| America/Iqaluit | 1981-04-26T07:00:00Z | 1981-04-26 03:00:00 | -05:00 → -04:00 | EDT | Yes | gap |
| America/Jamaica | 1981-04-26T07:00:00Z | 1981-04-26 03:00:00 | -05:00 → -04:00 | EDT | Yes | gap |
| America/Kentucky/Louisville | 1981-04-26T07:00:00Z | 1981-04-26 03:00:00 | -05:00 → -04:00 | EDT | Yes | gap |
| America/Louisville | 1981-04-26T07:00:00Z | 1981-04-26 03:00:00 | -05:00 → -04:00 | EDT | Yes | gap |
| America/Montreal | 1981-04-26T07:00:00Z | 1981-04-26 03:00:00 | -05:00 → -04:00 | EDT | Yes | gap |
| America/Nassau | 1981-04-26T07:00:00Z | 1981-04-26 03:00:00 | -05:00 → -04:00 | EDT | Yes | gap |
| America/New_York | 1981-04-26T07:00:00Z | 1981-04-26 03:00:00 | -05:00 → -04:00 | EDT | Yes | gap |
| America/Nipigon | 1981-04-26T07:00:00Z | 1981-04-26 03:00:00 | -05:00 → -04:00 | EDT | Yes | gap |
| America/Pangnirtung | 1981-04-26T07:00:00Z | 1981-04-26 03:00:00 | -05:00 → -04:00 | EDT | Yes | gap |
| America/Thunder_Bay | 1981-04-26T07:00:00Z | 1981-04-26 03:00:00 | -05:00 → -04:00 | EDT | Yes | gap |
| America/Toronto | 1981-04-26T07:00:00Z | 1981-04-26 03:00:00 | -05:00 → -04:00 | EDT | Yes | gap |
| Canada/Eastern | 1981-04-26T07:00:00Z | 1981-04-26 03:00:00 | -05:00 → -04:00 | EDT | Yes | gap |
| EST5EDT | 1981-04-26T07:00:00Z | 1981-04-26 03:00:00 | -05:00 → -04:00 | EDT | Yes | gap |
| Jamaica | 1981-04-26T07:00:00Z | 1981-04-26 03:00:00 | -05:00 → -04:00 | EDT | Yes | gap |
| US/Eastern | 1981-04-26T07:00:00Z | 1981-04-26 03:00:00 | -05:00 → -04:00 | EDT | Yes | gap |
| US/Michigan | 1981-04-26T07:00:00Z | 1981-04-26 03:00:00 | -05:00 → -04:00 | EDT | Yes | gap |
| America/Chicago | 1981-04-26T08:00:00Z | 1981-04-26 03:00:00 | -06:00 → -05:00 | CDT | Yes | gap |
| America/Indiana/Knox | 1981-04-26T08:00:00Z | 1981-04-26 03:00:00 | -06:00 → -05:00 | CDT | Yes | gap |
| America/Kentucky/Monticello | 1981-04-26T08:00:00Z | 1981-04-26 03:00:00 | -06:00 → -05:00 | CDT | Yes | gap |
| America/Knox_IN | 1981-04-26T08:00:00Z | 1981-04-26 03:00:00 | -06:00 → -05:00 | CDT | Yes | gap |
| America/Menominee | 1981-04-26T08:00:00Z | 1981-04-26 03:00:00 | -06:00 → -05:00 | CDT | Yes | gap |
| America/Rainy_River | 1981-04-26T08:00:00Z | 1981-04-26 03:00:00 | -06:00 → -05:00 | CDT | Yes | gap |
| America/Rankin_Inlet | 1981-04-26T08:00:00Z | 1981-04-26 03:00:00 | -06:00 → -05:00 | CDT | Yes | gap |
| America/Resolute | 1981-04-26T08:00:00Z | 1981-04-26 03:00:00 | -06:00 → -05:00 | CDT | Yes | gap |
| America/Winnipeg | 1981-04-26T08:00:00Z | 1981-04-26 03:00:00 | -06:00 → -05:00 | CDT | Yes | gap |
| CST6CDT | 1981-04-26T08:00:00Z | 1981-04-26 03:00:00 | -06:00 → -05:00 | CDT | Yes | gap |
| Canada/Central | 1981-04-26T08:00:00Z | 1981-04-26 03:00:00 | -06:00 → -05:00 | CDT | Yes | gap |
| US/Central | 1981-04-26T08:00:00Z | 1981-04-26 03:00:00 | -06:00 → -05:00 | CDT | Yes | gap |
| US/Indiana-Starke | 1981-04-26T08:00:00Z | 1981-04-26 03:00:00 | -06:00 → -05:00 | CDT | Yes | gap |
| America/Boise | 1981-04-26T09:00:00Z | 1981-04-26 03:00:00 | -07:00 → -06:00 | MDT | Yes | gap |
| America/Cambridge_Bay | 1981-04-26T09:00:00Z | 1981-04-26 03:00:00 | -07:00 → -06:00 | MDT | Yes | gap |
| America/Denver | 1981-04-26T09:00:00Z | 1981-04-26 03:00:00 | -07:00 → -06:00 | MDT | Yes | gap |
| America/Edmonton | 1981-04-26T09:00:00Z | 1981-04-26 03:00:00 | -07:00 → -06:00 | MDT | Yes | gap |
| America/Inuvik | 1981-04-26T09:00:00Z | 1981-04-26 03:00:00 | -07:00 → -06:00 | MDT | Yes | gap |
| America/North_Dakota/Beulah | 1981-04-26T09:00:00Z | 1981-04-26 03:00:00 | -07:00 → -06:00 | MDT | Yes | gap |
| America/North_Dakota/Center | 1981-04-26T09:00:00Z | 1981-04-26 03:00:00 | -07:00 → -06:00 | MDT | Yes | gap |
| America/North_Dakota/New_Salem | 1981-04-26T09:00:00Z | 1981-04-26 03:00:00 | -07:00 → -06:00 | MDT | Yes | gap |
| America/Shiprock | 1981-04-26T09:00:00Z | 1981-04-26 03:00:00 | -07:00 → -06:00 | MDT | Yes | gap |
| America/Yellowknife | 1981-04-26T09:00:00Z | 1981-04-26 03:00:00 | -07:00 → -06:00 | MDT | Yes | gap |
| Canada/Mountain | 1981-04-26T09:00:00Z | 1981-04-26 03:00:00 | -07:00 → -06:00 | MDT | Yes | gap |
| MST7MDT | 1981-04-26T09:00:00Z | 1981-04-26 03:00:00 | -07:00 → -06:00 | MDT | Yes | gap |
| Navajo | 1981-04-26T09:00:00Z | 1981-04-26 03:00:00 | -07:00 → -06:00 | MDT | Yes | gap |
| US/Mountain | 1981-04-26T09:00:00Z | 1981-04-26 03:00:00 | -07:00 → -06:00 | MDT | Yes | gap |
| America/Dawson | 1981-04-26T10:00:00Z | 1981-04-26 03:00:00 | -08:00 → -07:00 | PDT | Yes | gap |
| America/Ensenada | 1981-04-26T10:00:00Z | 1981-04-26 03:00:00 | -08:00 → -07:00 | PDT | Yes | gap |
| America/Fort_Nelson | 1981-04-26T10:00:00Z | 1981-04-26 03:00:00 | -08:00 → -07:00 | PDT | Yes | gap |
| America/Juneau | 1981-04-26T10:00:00Z | 1981-04-26 03:00:00 | -08:00 → -07:00 | PDT | Yes | gap |
| America/Los_Angeles | 1981-04-26T10:00:00Z | 1981-04-26 03:00:00 | -08:00 → -07:00 | PDT | Yes | gap |
| America/Metlakatla | 1981-04-26T10:00:00Z | 1981-04-26 03:00:00 | -08:00 → -07:00 | PDT | Yes | gap |
| America/Santa_Isabel | 1981-04-26T10:00:00Z | 1981-04-26 03:00:00 | -08:00 → -07:00 | PDT | Yes | gap |
| America/Sitka | 1981-04-26T10:00:00Z | 1981-04-26 03:00:00 | -08:00 → -07:00 | PDT | Yes | gap |
| America/Tijuana | 1981-04-26T10:00:00Z | 1981-04-26 03:00:00 | -08:00 → -07:00 | PDT | Yes | gap |
| America/Vancouver | 1981-04-26T10:00:00Z | 1981-04-26 03:00:00 | -08:00 → -07:00 | PDT | Yes | gap |
| America/Whitehorse | 1981-04-26T10:00:00Z | 1981-04-26 03:00:00 | -08:00 → -07:00 | PDT | Yes | gap |
| Canada/Pacific | 1981-04-26T10:00:00Z | 1981-04-26 03:00:00 | -08:00 → -07:00 | PDT | Yes | gap |
| Canada/Yukon | 1981-04-26T10:00:00Z | 1981-04-26 03:00:00 | -08:00 → -07:00 | PDT | Yes | gap |
| Mexico/BajaNorte | 1981-04-26T10:00:00Z | 1981-04-26 03:00:00 | -08:00 → -07:00 | PDT | Yes | gap |
| PST8PDT | 1981-04-26T10:00:00Z | 1981-04-26 03:00:00 | -08:00 → -07:00 | PDT | Yes | gap |
| US/Pacific | 1981-04-26T10:00:00Z | 1981-04-26 03:00:00 | -08:00 → -07:00 | PDT | Yes | gap |
| America/Yakutat | 1981-04-26T11:00:00Z | 1981-04-26 03:00:00 | -09:00 → -08:00 | YDT | Yes | gap |
| America/Anchorage | 1981-04-26T12:00:00Z | 1981-04-26 03:00:00 | -10:00 → -09:00 | AHDT | Yes | gap |
| US/Alaska | 1981-04-26T12:00:00Z | 1981-04-26 03:00:00 | -10:00 → -09:00 | AHDT | Yes | gap |
| America/Adak | 1981-04-26T13:00:00Z | 1981-04-26 03:00:00 | -11:00 → -10:00 | BDT | Yes | gap |
| America/Atka | 1981-04-26T13:00:00Z | 1981-04-26 03:00:00 | -11:00 → -10:00 | BDT | Yes | gap |
| America/Nome | 1981-04-26T13:00:00Z | 1981-04-26 03:00:00 | -11:00 → -10:00 | BDT | Yes | gap |
| US/Aleutian | 1981-04-26T13:00:00Z | 1981-04-26 03:00:00 | -11:00 → -10:00 | BDT | Yes | gap |
| Africa/Cairo | 1981-04-30T23:00:00Z | 1981-05-01 02:00:00 | +02:00 → +03:00 | EEST | Yes | gap |
| Egypt | 1981-04-30T23:00:00Z | 1981-05-01 02:00:00 | +02:00 → +03:00 | EEST | Yes | gap |
| Africa/Algiers | 1981-05-01T00:00:00Z | 1981-05-01 01:00:00 | +00:00 → +01:00 | CET | No | gap |
| America/Havana | 1981-05-10T05:00:00Z | 1981-05-10 01:00:00 | -05:00 → -04:00 | CDT | Yes | gap |
| Cuba | 1981-05-10T05:00:00Z | 1981-05-10 01:00:00 | -05:00 → -04:00 | CDT | Yes | gap |
| Asia/Famagusta | 1981-09-26T21:00:00Z | 1981-09-26 23:00:00 | +03:00 → +02:00 | EET | No | overlap |
| Asia/Nicosia | 1981-09-26T21:00:00Z | 1981-09-26 23:00:00 | +03:00 → +02:00 | EET | No | overlap |
| Europe/Nicosia | 1981-09-26T21:00:00Z | 1981-09-26 23:00:00 | +03:00 → +02:00 | EET | No | overlap |
| Europe/Tirane | 1981-09-26T22:00:00Z | 1981-09-26 23:00:00 | +02:00 → +01:00 | CET | No | overlap |
| Europe/Budapest | 1981-09-26T23:00:00Z | 1981-09-27 00:00:00 | +02:00 → +01:00 | CET | No | overlap |
| Europe/Sofia | 1981-09-26T23:00:00Z | 1981-09-27 01:00:00 | +03:00 → +02:00 | EET | No | overlap |
| Europe/Bucharest | 1981-09-27T00:00:00Z | 1981-09-27 02:00:00 | +03:00 → +02:00 | EET | No | overlap |
| Europe/Helsinki | 1981-09-27T00:00:00Z | 1981-09-27 02:00:00 | +03:00 → +02:00 | EET | No | overlap |
| Europe/Lisbon | 1981-09-27T00:00:00Z | 1981-09-27 00:00:00 | +01:00 → +00:00 | WET | No | overlap |
| Europe/Mariehamn | 1981-09-27T00:00:00Z | 1981-09-27 02:00:00 | +03:00 → +02:00 | EET | No | overlap |
| Europe/Warsaw | 1981-09-27T00:00:00Z | 1981-09-27 01:00:00 | +02:00 → +01:00 | CET | No | overlap |
| Poland | 1981-09-27T00:00:00Z | 1981-09-27 01:00:00 | +02:00 → +01:00 | CET | No | overlap |
| Portugal | 1981-09-27T00:00:00Z | 1981-09-27 00:00:00 | +01:00 → +00:00 | WET | No | overlap |
| WET | 1981-09-27T00:00:00Z | 1981-09-27 00:00:00 | +01:00 → +00:00 | WET | No | overlap |
| America/Danmarkshavn | 1981-09-27T01:00:00Z | 1981-09-26 22:00:00 | -02:00 → -03:00 | -03 | No | overlap |
| America/Godthab | 1981-09-27T01:00:00Z | 1981-09-26 22:00:00 | -02:00 → -03:00 | -03 | No | overlap |
| America/Nuuk | 1981-09-27T01:00:00Z | 1981-09-26 22:00:00 | -02:00 → -03:00 | -03 | No | overlap |
| America/Scoresbysund | 1981-09-27T01:00:00Z | 1981-09-27 00:00:00 | +00:00 → -01:00 | -01 | No | overlap |
| Arctic/Longyearbyen | 1981-09-27T01:00:00Z | 1981-09-27 02:00:00 | +02:00 → +01:00 | CET | No | overlap |
| Atlantic/Canary | 1981-09-27T01:00:00Z | 1981-09-27 01:00:00 | +01:00 → +00:00 | WET | No | overlap |
| Atlantic/Faeroe | 1981-09-27T01:00:00Z | 1981-09-27 01:00:00 | +01:00 → +00:00 | WET | No | overlap |
| Atlantic/Faroe | 1981-09-27T01:00:00Z | 1981-09-27 01:00:00 | +01:00 → +00:00 | WET | No | overlap |
| Atlantic/Jan_Mayen | 1981-09-27T01:00:00Z | 1981-09-27 02:00:00 | +02:00 → +01:00 | CET | No | overlap |
| CET | 1981-09-27T01:00:00Z | 1981-09-27 02:00:00 | +02:00 → +01:00 | CET | No | overlap |
| EET | 1981-09-27T01:00:00Z | 1981-09-27 03:00:00 | +03:00 → +02:00 | EET | No | overlap |
| Europe/Amsterdam | 1981-09-27T01:00:00Z | 1981-09-27 02:00:00 | +02:00 → +01:00 | CET | No | overlap |
| Europe/Athens | 1981-09-27T01:00:00Z | 1981-09-27 03:00:00 | +03:00 → +02:00 | EET | No | overlap |
| Europe/Berlin | 1981-09-27T01:00:00Z | 1981-09-27 02:00:00 | +02:00 → +01:00 | CET | No | overlap |
| Europe/Bratislava | 1981-09-27T01:00:00Z | 1981-09-27 02:00:00 | +02:00 → +01:00 | CET | No | overlap |
| Europe/Brussels | 1981-09-27T01:00:00Z | 1981-09-27 02:00:00 | +02:00 → +01:00 | CET | No | overlap |
| Europe/Busingen | 1981-09-27T01:00:00Z | 1981-09-27 02:00:00 | +02:00 → +01:00 | CET | No | overlap |
| Europe/Copenhagen | 1981-09-27T01:00:00Z | 1981-09-27 02:00:00 | +02:00 → +01:00 | CET | No | overlap |
| Europe/Luxembourg | 1981-09-27T01:00:00Z | 1981-09-27 02:00:00 | +02:00 → +01:00 | CET | No | overlap |
| Europe/Madrid | 1981-09-27T01:00:00Z | 1981-09-27 02:00:00 | +02:00 → +01:00 | CET | No | overlap |
| Europe/Malta | 1981-09-27T01:00:00Z | 1981-09-27 02:00:00 | +02:00 → +01:00 | CET | No | overlap |
| Europe/Monaco | 1981-09-27T01:00:00Z | 1981-09-27 02:00:00 | +02:00 → +01:00 | CET | No | overlap |
| Europe/Oslo | 1981-09-27T01:00:00Z | 1981-09-27 02:00:00 | +02:00 → +01:00 | CET | No | overlap |
| Europe/Paris | 1981-09-27T01:00:00Z | 1981-09-27 02:00:00 | +02:00 → +01:00 | CET | No | overlap |
| Europe/Prague | 1981-09-27T01:00:00Z | 1981-09-27 02:00:00 | +02:00 → +01:00 | CET | No | overlap |
| Europe/Rome | 1981-09-27T01:00:00Z | 1981-09-27 02:00:00 | +02:00 → +01:00 | CET | No | overlap |
| Europe/San_Marino | 1981-09-27T01:00:00Z | 1981-09-27 02:00:00 | +02:00 → +01:00 | CET | No | overlap |
| Europe/Stockholm | 1981-09-27T01:00:00Z | 1981-09-27 02:00:00 | +02:00 → +01:00 | CET | No | overlap |
| Europe/Vaduz | 1981-09-27T01:00:00Z | 1981-09-27 02:00:00 | +02:00 → +01:00 | CET | No | overlap |
| Europe/Vatican | 1981-09-27T01:00:00Z | 1981-09-27 02:00:00 | +02:00 → +01:00 | CET | No | overlap |
| Europe/Vienna | 1981-09-27T01:00:00Z | 1981-09-27 02:00:00 | +02:00 → +01:00 | CET | No | overlap |
| Europe/Zurich | 1981-09-27T01:00:00Z | 1981-09-27 02:00:00 | +02:00 → +01:00 | CET | No | overlap |
| MET | 1981-09-27T01:00:00Z | 1981-09-27 02:00:00 | +02:00 → +01:00 | CET | No | overlap |
| Asia/Anadyr | 1981-09-30T10:00:00Z | 1981-09-30 23:00:00 | +14:00 → +13:00 | +13 | No | overlap |
| Asia/Kamchatka | 1981-09-30T11:00:00Z | 1981-09-30 23:00:00 | +13:00 → +12:00 | +12 | No | overlap |
| Asia/Magadan | 1981-09-30T12:00:00Z | 1981-09-30 23:00:00 | +12:00 → +11:00 | +11 | No | overlap |
| Asia/Sakhalin | 1981-09-30T12:00:00Z | 1981-09-30 23:00:00 | +12:00 → +11:00 | +11 | No | overlap |
| Asia/Srednekolymsk | 1981-09-30T12:00:00Z | 1981-09-30 23:00:00 | +12:00 → +11:00 | +11 | No | overlap |
| Asia/Ust-Nera | 1981-09-30T12:00:00Z | 1981-09-30 23:00:00 | +12:00 → +11:00 | +11 | No | overlap |
| Asia/Vladivostok | 1981-09-30T13:00:00Z | 1981-09-30 23:00:00 | +11:00 → +10:00 | +10 | No | overlap |
| Asia/Chita | 1981-09-30T14:00:00Z | 1981-09-30 23:00:00 | +10:00 → +09:00 | +09 | No | overlap |
| Asia/Khandyga | 1981-09-30T14:00:00Z | 1981-09-30 23:00:00 | +10:00 → +09:00 | +09 | No | overlap |
| Asia/Yakutsk | 1981-09-30T14:00:00Z | 1981-09-30 23:00:00 | +10:00 → +09:00 | +09 | No | overlap |
| Asia/Irkutsk | 1981-09-30T15:00:00Z | 1981-09-30 23:00:00 | +09:00 → +08:00 | +08 | No | overlap |
| Asia/Barnaul | 1981-09-30T16:00:00Z | 1981-09-30 23:00:00 | +08:00 → +07:00 | +07 | No | overlap |
| Asia/Krasnoyarsk | 1981-09-30T16:00:00Z | 1981-09-30 23:00:00 | +08:00 → +07:00 | +07 | No | overlap |
| Asia/Novokuznetsk | 1981-09-30T16:00:00Z | 1981-09-30 23:00:00 | +08:00 → +07:00 | +07 | No | overlap |
| Asia/Novosibirsk | 1981-09-30T16:00:00Z | 1981-09-30 23:00:00 | +08:00 → +07:00 | +07 | No | overlap |
| Asia/Tomsk | 1981-09-30T16:00:00Z | 1981-09-30 23:00:00 | +08:00 → +07:00 | +07 | No | overlap |
| Asia/Almaty | 1981-09-30T17:00:00Z | 1981-09-30 23:00:00 | +07:00 → +06:00 | +06 | No | overlap |
| Asia/Bishkek | 1981-09-30T17:00:00Z | 1981-09-30 23:00:00 | +07:00 → +06:00 | +06 | No | overlap |
| Asia/Dushanbe | 1981-09-30T17:00:00Z | 1981-09-30 23:00:00 | +07:00 → +06:00 | +06 | No | overlap |
| Asia/Omsk | 1981-09-30T17:00:00Z | 1981-09-30 23:00:00 | +07:00 → +06:00 | +06 | No | overlap |
| Asia/Tashkent | 1981-09-30T17:00:00Z | 1981-09-30 23:00:00 | +07:00 → +06:00 | +06 | No | overlap |
| Asia/Aqtobe | 1981-09-30T18:00:00Z | 1981-10-01 00:00:00 | +06:00 → +06:00 | +06 | No | offset-only |
| Asia/Ashgabat | 1981-09-30T18:00:00Z | 1981-09-30 23:00:00 | +06:00 → +05:00 | +05 | No | overlap |
| Asia/Ashkhabad | 1981-09-30T18:00:00Z | 1981-09-30 23:00:00 | +06:00 → +05:00 | +05 | No | overlap |
| Asia/Oral | 1981-09-30T18:00:00Z | 1981-10-01 00:00:00 | +06:00 → +06:00 | +06 | No | offset-only |
| Asia/Qostanay | 1981-09-30T18:00:00Z | 1981-10-01 00:00:00 | +06:00 → +06:00 | +06 | No | offset-only |
| Asia/Qyzylorda | 1981-09-30T18:00:00Z | 1981-10-01 00:00:00 | +06:00 → +06:00 | +06 | No | offset-only |
| Asia/Samarkand | 1981-09-30T18:00:00Z | 1981-10-01 00:00:00 | +06:00 → +06:00 | +06 | No | offset-only |
| Asia/Yekaterinburg | 1981-09-30T18:00:00Z | 1981-09-30 23:00:00 | +06:00 → +05:00 | +05 | No | overlap |
| Asia/Aqtau | 1981-09-30T19:00:00Z | 1981-10-01 01:00:00 | +05:00 → +06:00 | +06 | No | gap |
| Asia/Atyrau | 1981-09-30T19:00:00Z | 1981-10-01 01:00:00 | +05:00 → +06:00 | +06 | No | gap |
| Asia/Baku | 1981-09-30T19:00:00Z | 1981-09-30 23:00:00 | +05:00 → +04:00 | +04 | No | overlap |
| Asia/Tbilisi | 1981-09-30T19:00:00Z | 1981-09-30 23:00:00 | +05:00 → +04:00 | +04 | No | overlap |
| Asia/Yerevan | 1981-09-30T19:00:00Z | 1981-09-30 23:00:00 | +05:00 → +04:00 | +04 | No | overlap |
| Europe/Astrakhan | 1981-09-30T19:00:00Z | 1981-09-30 23:00:00 | +05:00 → +04:00 | +04 | No | overlap |
| Europe/Kirov | 1981-09-30T19:00:00Z | 1981-09-30 23:00:00 | +05:00 → +04:00 | +04 | No | overlap |
| Europe/Samara | 1981-09-30T19:00:00Z | 1981-09-30 23:00:00 | +05:00 → +04:00 | +04 | No | overlap |
| Europe/Saratov | 1981-09-30T19:00:00Z | 1981-09-30 23:00:00 | +05:00 → +04:00 | +04 | No | overlap |
| Europe/Ulyanovsk | 1981-09-30T19:00:00Z | 1981-09-30 23:00:00 | +05:00 → +04:00 | +04 | No | overlap |
| Europe/Volgograd | 1981-09-30T19:00:00Z | 1981-09-30 23:00:00 | +05:00 → +04:00 | +04 | No | overlap |
| Europe/Chisinau | 1981-09-30T20:00:00Z | 1981-09-30 23:00:00 | +04:00 → +03:00 | MSK | No | overlap |
| Europe/Kaliningrad | 1981-09-30T20:00:00Z | 1981-09-30 23:00:00 | +04:00 → +03:00 | MSK | No | overlap |
| Europe/Kiev | 1981-09-30T20:00:00Z | 1981-09-30 23:00:00 | +04:00 → +03:00 | MSK | No | overlap |
| Europe/Kyiv | 1981-09-30T20:00:00Z | 1981-09-30 23:00:00 | +04:00 → +03:00 | MSK | No | overlap |
| Europe/Minsk | 1981-09-30T20:00:00Z | 1981-09-30 23:00:00 | +04:00 → +03:00 | MSK | No | overlap |
| Europe/Moscow | 1981-09-30T20:00:00Z | 1981-09-30 23:00:00 | +04:00 → +03:00 | MSK | No | overlap |
| Europe/Riga | 1981-09-30T20:00:00Z | 1981-09-30 23:00:00 | +04:00 → +03:00 | MSK | No | overlap |
| Europe/Simferopol | 1981-09-30T20:00:00Z | 1981-09-30 23:00:00 | +04:00 → +03:00 | MSK | No | overlap |
| Europe/Tallinn | 1981-09-30T20:00:00Z | 1981-09-30 23:00:00 | +04:00 → +03:00 | MSK | No | overlap |
| Europe/Tiraspol | 1981-09-30T20:00:00Z | 1981-09-30 23:00:00 | +04:00 → +03:00 | MSK | No | overlap |
| Europe/Uzhgorod | 1981-09-30T20:00:00Z | 1981-09-30 23:00:00 | +04:00 → +03:00 | MSK | No | overlap |
| Europe/Vilnius | 1981-09-30T20:00:00Z | 1981-09-30 23:00:00 | +04:00 → +03:00 | MSK | No | overlap |
| Europe/Zaporozhye | 1981-09-30T20:00:00Z | 1981-09-30 23:00:00 | +04:00 → +03:00 | MSK | No | overlap |
| W-SU | 1981-09-30T20:00:00Z | 1981-09-30 23:00:00 | +04:00 → +03:00 | MSK | No | overlap |
| Africa/Cairo | 1981-10-01T00:00:00Z | 1981-10-01 02:00:00 | +03:00 → +02:00 | EET | No | overlap |
| Egypt | 1981-10-01T00:00:00Z | 1981-10-01 02:00:00 | +03:00 → +02:00 | EET | No | overlap |
| America/Asuncion | 1981-10-01T04:00:00Z | 1981-10-01 01:00:00 | -04:00 → -03:00 | -03 | Yes | gap |
| America/Coyhaique | 1981-10-11T04:00:00Z | 1981-10-11 01:00:00 | -04:00 → -03:00 | -03 | Yes | gap |
| America/Havana | 1981-10-11T04:00:00Z | 1981-10-10 23:00:00 | -04:00 → -05:00 | CST | No | overlap |
| America/Punta_Arenas | 1981-10-11T04:00:00Z | 1981-10-11 01:00:00 | -04:00 → -03:00 | -03 | Yes | gap |
| America/Santiago | 1981-10-11T04:00:00Z | 1981-10-11 01:00:00 | -04:00 → -03:00 | -03 | Yes | gap |
| Chile/Continental | 1981-10-11T04:00:00Z | 1981-10-11 01:00:00 | -04:00 → -03:00 | -03 | Yes | gap |
| Chile/EasterIsland | 1981-10-11T04:00:00Z | 1981-10-10 22:00:00 | -07:00 → -06:00 | -06 | Yes | gap |
| Cuba | 1981-10-11T04:00:00Z | 1981-10-10 23:00:00 | -04:00 → -05:00 | CST | No | overlap |
| Pacific/Easter | 1981-10-11T04:00:00Z | 1981-10-10 22:00:00 | -07:00 → -06:00 | -06 | Yes | gap |
| Africa/Juba | 1981-10-14T21:00:00Z | 1981-10-14 23:00:00 | +03:00 → +02:00 | CAT | No | overlap |
| Africa/Khartoum | 1981-10-14T21:00:00Z | 1981-10-14 23:00:00 | +03:00 → +02:00 | CAT | No | overlap |
| Antarctica/McMurdo | 1981-10-24T14:00:00Z | 1981-10-25 03:00:00 | +12:00 → +13:00 | NZDT | Yes | gap |
| Antarctica/South_Pole | 1981-10-24T14:00:00Z | 1981-10-25 03:00:00 | +12:00 → +13:00 | NZDT | Yes | gap |
| NZ | 1981-10-24T14:00:00Z | 1981-10-25 03:00:00 | +12:00 → +13:00 | NZDT | Yes | gap |
| NZ-CHAT | 1981-10-24T14:00:00Z | 1981-10-25 03:45:00 | +12:45 → +13:45 | +1345 | Yes | gap |
| Pacific/Auckland | 1981-10-24T14:00:00Z | 1981-10-25 03:00:00 | +12:00 → +13:00 | NZDT | Yes | gap |
| Pacific/Chatham | 1981-10-24T14:00:00Z | 1981-10-25 03:45:00 | +12:45 → +13:45 | +1345 | Yes | gap |
| Australia/LHI | 1981-10-24T15:30:00Z | 1981-10-25 03:00:00 | +10:30 → +11:30 | +1130 | Yes | gap |
| Australia/Lord_Howe | 1981-10-24T15:30:00Z | 1981-10-25 03:00:00 | +10:30 → +11:30 | +1130 | Yes | gap |
| Antarctica/Macquarie | 1981-10-24T16:00:00Z | 1981-10-25 03:00:00 | +10:00 → +11:00 | AEDT | Yes | gap |
| Australia/ACT | 1981-10-24T16:00:00Z | 1981-10-25 03:00:00 | +10:00 → +11:00 | AEDT | Yes | gap |
| Australia/Canberra | 1981-10-24T16:00:00Z | 1981-10-25 03:00:00 | +10:00 → +11:00 | AEDT | Yes | gap |
| Australia/Currie | 1981-10-24T16:00:00Z | 1981-10-25 03:00:00 | +10:00 → +11:00 | AEDT | Yes | gap |
| Australia/Hobart | 1981-10-24T16:00:00Z | 1981-10-25 03:00:00 | +10:00 → +11:00 | AEDT | Yes | gap |
| Australia/Melbourne | 1981-10-24T16:00:00Z | 1981-10-25 03:00:00 | +10:00 → +11:00 | AEDT | Yes | gap |
| Australia/NSW | 1981-10-24T16:00:00Z | 1981-10-25 03:00:00 | +10:00 → +11:00 | AEDT | Yes | gap |
| Australia/Sydney | 1981-10-24T16:00:00Z | 1981-10-25 03:00:00 | +10:00 → +11:00 | AEDT | Yes | gap |
| Australia/Tasmania | 1981-10-24T16:00:00Z | 1981-10-25 03:00:00 | +10:00 → +11:00 | AEDT | Yes | gap |
| Australia/Victoria | 1981-10-24T16:00:00Z | 1981-10-25 03:00:00 | +10:00 → +11:00 | AEDT | Yes | gap |
| Australia/Adelaide | 1981-10-24T16:30:00Z | 1981-10-25 03:00:00 | +09:30 → +10:30 | ACDT | Yes | gap |
| Australia/Broken_Hill | 1981-10-24T16:30:00Z | 1981-10-25 03:00:00 | +09:30 → +10:30 | ACDT | Yes | gap |
| Australia/South | 1981-10-24T16:30:00Z | 1981-10-25 03:00:00 | +09:30 → +10:30 | ACDT | Yes | gap |
| Australia/Yancowinna | 1981-10-24T16:30:00Z | 1981-10-25 03:00:00 | +09:30 → +10:30 | ACDT | Yes | gap |
| Eire | 1981-10-25T01:00:00Z | 1981-10-25 01:00:00 | +01:00 → +00:00 | GMT | Yes | overlap |
| Europe/Belfast | 1981-10-25T01:00:00Z | 1981-10-25 01:00:00 | +01:00 → +00:00 | GMT | No | overlap |
| Europe/Dublin | 1981-10-25T01:00:00Z | 1981-10-25 01:00:00 | +01:00 → +00:00 | GMT | Yes | overlap |
| Europe/Guernsey | 1981-10-25T01:00:00Z | 1981-10-25 01:00:00 | +01:00 → +00:00 | GMT | No | overlap |
| Europe/Isle_of_Man | 1981-10-25T01:00:00Z | 1981-10-25 01:00:00 | +01:00 → +00:00 | GMT | No | overlap |
| Europe/Jersey | 1981-10-25T01:00:00Z | 1981-10-25 01:00:00 | +01:00 → +00:00 | GMT | No | overlap |
| Europe/London | 1981-10-25T01:00:00Z | 1981-10-25 01:00:00 | +01:00 → +00:00 | GMT | No | overlap |
| GB | 1981-10-25T01:00:00Z | 1981-10-25 01:00:00 | +01:00 → +00:00 | GMT | No | overlap |
| GB-Eire | 1981-10-25T01:00:00Z | 1981-10-25 01:00:00 | +01:00 → +00:00 | GMT | No | overlap |
| America/St_Johns | 1981-10-25T04:30:00Z | 1981-10-25 01:00:00 | -02:30 → -03:30 | NST | No | overlap |
| Canada/Newfoundland | 1981-10-25T04:30:00Z | 1981-10-25 01:00:00 | -02:30 → -03:30 | NST | No | overlap |
| America/Glace_Bay | 1981-10-25T05:00:00Z | 1981-10-25 01:00:00 | -03:00 → -04:00 | AST | No | overlap |
| America/Goose_Bay | 1981-10-25T05:00:00Z | 1981-10-25 01:00:00 | -03:00 → -04:00 | AST | No | overlap |
| America/Halifax | 1981-10-25T05:00:00Z | 1981-10-25 01:00:00 | -03:00 → -04:00 | AST | No | overlap |
| America/Moncton | 1981-10-25T05:00:00Z | 1981-10-25 01:00:00 | -03:00 → -04:00 | AST | No | overlap |
| Atlantic/Bermuda | 1981-10-25T05:00:00Z | 1981-10-25 01:00:00 | -03:00 → -04:00 | AST | No | overlap |
| Canada/Atlantic | 1981-10-25T05:00:00Z | 1981-10-25 01:00:00 | -03:00 → -04:00 | AST | No | overlap |
| America/Detroit | 1981-10-25T06:00:00Z | 1981-10-25 01:00:00 | -04:00 → -05:00 | EST | No | overlap |
| America/Grand_Turk | 1981-10-25T06:00:00Z | 1981-10-25 01:00:00 | -04:00 → -05:00 | EST | No | overlap |
| America/Iqaluit | 1981-10-25T06:00:00Z | 1981-10-25 01:00:00 | -04:00 → -05:00 | EST | No | overlap |
| America/Jamaica | 1981-10-25T06:00:00Z | 1981-10-25 01:00:00 | -04:00 → -05:00 | EST | No | overlap |
| America/Kentucky/Louisville | 1981-10-25T06:00:00Z | 1981-10-25 01:00:00 | -04:00 → -05:00 | EST | No | overlap |
| America/Louisville | 1981-10-25T06:00:00Z | 1981-10-25 01:00:00 | -04:00 → -05:00 | EST | No | overlap |
| America/Montreal | 1981-10-25T06:00:00Z | 1981-10-25 01:00:00 | -04:00 → -05:00 | EST | No | overlap |
| America/Nassau | 1981-10-25T06:00:00Z | 1981-10-25 01:00:00 | -04:00 → -05:00 | EST | No | overlap |
| America/New_York | 1981-10-25T06:00:00Z | 1981-10-25 01:00:00 | -04:00 → -05:00 | EST | No | overlap |
| America/Nipigon | 1981-10-25T06:00:00Z | 1981-10-25 01:00:00 | -04:00 → -05:00 | EST | No | overlap |
| America/Pangnirtung | 1981-10-25T06:00:00Z | 1981-10-25 01:00:00 | -04:00 → -05:00 | EST | No | overlap |
| America/Thunder_Bay | 1981-10-25T06:00:00Z | 1981-10-25 01:00:00 | -04:00 → -05:00 | EST | No | overlap |
| America/Toronto | 1981-10-25T06:00:00Z | 1981-10-25 01:00:00 | -04:00 → -05:00 | EST | No | overlap |
| Canada/Eastern | 1981-10-25T06:00:00Z | 1981-10-25 01:00:00 | -04:00 → -05:00 | EST | No | overlap |
| EST5EDT | 1981-10-25T06:00:00Z | 1981-10-25 01:00:00 | -04:00 → -05:00 | EST | No | overlap |
| Jamaica | 1981-10-25T06:00:00Z | 1981-10-25 01:00:00 | -04:00 → -05:00 | EST | No | overlap |
| US/Eastern | 1981-10-25T06:00:00Z | 1981-10-25 01:00:00 | -04:00 → -05:00 | EST | No | overlap |
| US/Michigan | 1981-10-25T06:00:00Z | 1981-10-25 01:00:00 | -04:00 → -05:00 | EST | No | overlap |
| America/Chicago | 1981-10-25T07:00:00Z | 1981-10-25 01:00:00 | -05:00 → -06:00 | CST | No | overlap |
| America/Indiana/Knox | 1981-10-25T07:00:00Z | 1981-10-25 01:00:00 | -05:00 → -06:00 | CST | No | overlap |
| America/Kentucky/Monticello | 1981-10-25T07:00:00Z | 1981-10-25 01:00:00 | -05:00 → -06:00 | CST | No | overlap |
| America/Knox_IN | 1981-10-25T07:00:00Z | 1981-10-25 01:00:00 | -05:00 → -06:00 | CST | No | overlap |
| America/Menominee | 1981-10-25T07:00:00Z | 1981-10-25 01:00:00 | -05:00 → -06:00 | CST | No | overlap |
| America/Rankin_Inlet | 1981-10-25T07:00:00Z | 1981-10-25 01:00:00 | -05:00 → -06:00 | CST | No | overlap |
| America/Resolute | 1981-10-25T07:00:00Z | 1981-10-25 01:00:00 | -05:00 → -06:00 | CST | No | overlap |
| CST6CDT | 1981-10-25T07:00:00Z | 1981-10-25 01:00:00 | -05:00 → -06:00 | CST | No | overlap |
| US/Central | 1981-10-25T07:00:00Z | 1981-10-25 01:00:00 | -05:00 → -06:00 | CST | No | overlap |
| US/Indiana-Starke | 1981-10-25T07:00:00Z | 1981-10-25 01:00:00 | -05:00 → -06:00 | CST | No | overlap |
| America/Boise | 1981-10-25T08:00:00Z | 1981-10-25 01:00:00 | -06:00 → -07:00 | MST | No | overlap |
| America/Cambridge_Bay | 1981-10-25T08:00:00Z | 1981-10-25 01:00:00 | -06:00 → -07:00 | MST | No | overlap |
| America/Denver | 1981-10-25T08:00:00Z | 1981-10-25 01:00:00 | -06:00 → -07:00 | MST | No | overlap |
| America/Edmonton | 1981-10-25T08:00:00Z | 1981-10-25 01:00:00 | -06:00 → -07:00 | MST | No | overlap |
| America/Inuvik | 1981-10-25T08:00:00Z | 1981-10-25 01:00:00 | -06:00 → -07:00 | MST | No | overlap |
| America/North_Dakota/Beulah | 1981-10-25T08:00:00Z | 1981-10-25 01:00:00 | -06:00 → -07:00 | MST | No | overlap |
| America/North_Dakota/Center | 1981-10-25T08:00:00Z | 1981-10-25 01:00:00 | -06:00 → -07:00 | MST | No | overlap |
| America/North_Dakota/New_Salem | 1981-10-25T08:00:00Z | 1981-10-25 01:00:00 | -06:00 → -07:00 | MST | No | overlap |
| America/Rainy_River | 1981-10-25T08:00:00Z | 1981-10-25 02:00:00 | -05:00 → -06:00 | CST | No | overlap |
| America/Shiprock | 1981-10-25T08:00:00Z | 1981-10-25 01:00:00 | -06:00 → -07:00 | MST | No | overlap |
| America/Winnipeg | 1981-10-25T08:00:00Z | 1981-10-25 02:00:00 | -05:00 → -06:00 | CST | No | overlap |
| America/Yellowknife | 1981-10-25T08:00:00Z | 1981-10-25 01:00:00 | -06:00 → -07:00 | MST | No | overlap |
| Canada/Central | 1981-10-25T08:00:00Z | 1981-10-25 02:00:00 | -05:00 → -06:00 | CST | No | overlap |
| Canada/Mountain | 1981-10-25T08:00:00Z | 1981-10-25 01:00:00 | -06:00 → -07:00 | MST | No | overlap |
| MST7MDT | 1981-10-25T08:00:00Z | 1981-10-25 01:00:00 | -06:00 → -07:00 | MST | No | overlap |
| Navajo | 1981-10-25T08:00:00Z | 1981-10-25 01:00:00 | -06:00 → -07:00 | MST | No | overlap |
| US/Mountain | 1981-10-25T08:00:00Z | 1981-10-25 01:00:00 | -06:00 → -07:00 | MST | No | overlap |
| America/Dawson | 1981-10-25T09:00:00Z | 1981-10-25 01:00:00 | -07:00 → -08:00 | PST | No | overlap |
| America/Ensenada | 1981-10-25T09:00:00Z | 1981-10-25 01:00:00 | -07:00 → -08:00 | PST | No | overlap |
| America/Fort_Nelson | 1981-10-25T09:00:00Z | 1981-10-25 01:00:00 | -07:00 → -08:00 | PST | No | overlap |
| America/Juneau | 1981-10-25T09:00:00Z | 1981-10-25 01:00:00 | -07:00 → -08:00 | PST | No | overlap |
| America/Los_Angeles | 1981-10-25T09:00:00Z | 1981-10-25 01:00:00 | -07:00 → -08:00 | PST | No | overlap |
| America/Metlakatla | 1981-10-25T09:00:00Z | 1981-10-25 01:00:00 | -07:00 → -08:00 | PST | No | overlap |
| America/Santa_Isabel | 1981-10-25T09:00:00Z | 1981-10-25 01:00:00 | -07:00 → -08:00 | PST | No | overlap |
| America/Sitka | 1981-10-25T09:00:00Z | 1981-10-25 01:00:00 | -07:00 → -08:00 | PST | No | overlap |
| America/Tijuana | 1981-10-25T09:00:00Z | 1981-10-25 01:00:00 | -07:00 → -08:00 | PST | No | overlap |
| America/Vancouver | 1981-10-25T09:00:00Z | 1981-10-25 01:00:00 | -07:00 → -08:00 | PST | No | overlap |
| America/Whitehorse | 1981-10-25T09:00:00Z | 1981-10-25 01:00:00 | -07:00 → -08:00 | PST | No | overlap |
| Canada/Pacific | 1981-10-25T09:00:00Z | 1981-10-25 01:00:00 | -07:00 → -08:00 | PST | No | overlap |
| Canada/Yukon | 1981-10-25T09:00:00Z | 1981-10-25 01:00:00 | -07:00 → -08:00 | PST | No | overlap |
| Mexico/BajaNorte | 1981-10-25T09:00:00Z | 1981-10-25 01:00:00 | -07:00 → -08:00 | PST | No | overlap |
| PST8PDT | 1981-10-25T09:00:00Z | 1981-10-25 01:00:00 | -07:00 → -08:00 | PST | No | overlap |
| US/Pacific | 1981-10-25T09:00:00Z | 1981-10-25 01:00:00 | -07:00 → -08:00 | PST | No | overlap |
| America/Yakutat | 1981-10-25T10:00:00Z | 1981-10-25 01:00:00 | -08:00 → -09:00 | YST | No | overlap |
| Pacific/Rarotonga | 1981-10-25T10:00:00Z | 1981-10-25 00:30:00 | -10:00 → -09:30 | -0930 | Yes | gap |
| America/Anchorage | 1981-10-25T11:00:00Z | 1981-10-25 01:00:00 | -09:00 → -10:00 | AHST | No | overlap |
| US/Alaska | 1981-10-25T11:00:00Z | 1981-10-25 01:00:00 | -09:00 → -10:00 | AHST | No | overlap |
| America/Adak | 1981-10-25T12:00:00Z | 1981-10-25 01:00:00 | -10:00 → -11:00 | BST | No | overlap |
| America/Atka | 1981-10-25T12:00:00Z | 1981-10-25 01:00:00 | -10:00 → -11:00 | BST | No | overlap |
| America/Nome | 1981-10-25T12:00:00Z | 1981-10-25 01:00:00 | -10:00 → -11:00 | BST | No | overlap |
| US/Aleutian | 1981-10-25T12:00:00Z | 1981-10-25 01:00:00 | -10:00 → -11:00 | BST | No | overlap |
| America/Cancun | 1981-12-26T08:00:00Z | 1981-12-26 03:00:00 | -06:00 → -05:00 | EST | No | gap |
| America/Merida | 1981-12-26T08:00:00Z | 1981-12-26 03:00:00 | -06:00 → -05:00 | EST | No | gap |
| Asia/Kuala_Lumpur | 1981-12-31T16:00:00Z | 1982-01-01 00:00:00 | +07:30 → +08:00 | +08 | No | gap |
| Asia/Singapore | 1981-12-31T16:00:00Z | 1982-01-01 00:00:00 | +07:30 → +08:00 | +08 | No | gap |
| Singapore | 1981-12-31T16:00:00Z | 1982-01-01 00:00:00 | +07:30 → +08:00 | +08 | No | gap |
| Africa/Tripoli | 1981-12-31T22:00:00Z | 1981-12-31 23:00:00 | +02:00 → +01:00 | CET | No | overlap |
| Libya | 1981-12-31T22:00:00Z | 1981-12-31 23:00:00 | +02:00 → +01:00 | CET | No | overlap |