Time Zone Changes in 1917
In 1917, 116 time zone transitions occurred across 70 regions worldwide. Clocks moved forward in 47 transitions (gaps) and turned back in 69 transitions (overlaps).
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Transitions in 1917 (116)
| Zone | Instant (UTC) | Local Wall Time | Shift | Abbreviation | DST | Effect |
|---|---|---|---|---|---|---|
| America/Port-au-Prince | 1917-01-24T16:49:00Z | 1917-01-24 11:49:00 | -04:49 → -05:00 | EST | No | overlap |
| Atlantic/Reykjavik | 1917-02-20T00:00:00Z | 1917-02-20 00:00:00 | -01:00 → +00:00 | +00 | Yes | gap |
| Europe/Lisbon | 1917-03-01T00:00:00Z | 1917-03-01 01:00:00 | +00:00 → +01:00 | WEST | Yes | gap |
| Portugal | 1917-03-01T00:00:00Z | 1917-03-01 01:00:00 | +00:00 → +01:00 | WEST | Yes | gap |
| WET | 1917-03-01T00:00:00Z | 1917-03-01 01:00:00 | +00:00 → +01:00 | WEST | Yes | gap |
| Atlantic/Madeira | 1917-03-01T01:00:00Z | 1917-03-01 01:00:00 | -01:00 → +00:00 | +00 | Yes | gap |
| Atlantic/Azores | 1917-03-01T02:00:00Z | 1917-03-01 01:00:00 | -02:00 → -01:00 | -01 | Yes | gap |
| Antarctica/Macquarie | 1917-03-24T16:00:00Z | 1917-03-25 02:00:00 | +11:00 → +10:00 | AEST | No | overlap |
| Australia/ACT | 1917-03-24T16:00:00Z | 1917-03-25 02:00:00 | +11:00 → +10:00 | AEST | No | overlap |
| Australia/Brisbane | 1917-03-24T16:00:00Z | 1917-03-25 02:00:00 | +11:00 → +10:00 | AEST | No | overlap |
| Australia/Canberra | 1917-03-24T16:00:00Z | 1917-03-25 02:00:00 | +11:00 → +10:00 | AEST | No | overlap |
| Australia/Currie | 1917-03-24T16:00:00Z | 1917-03-25 02:00:00 | +11:00 → +10:00 | AEST | No | overlap |
| Australia/Hobart | 1917-03-24T16:00:00Z | 1917-03-25 02:00:00 | +11:00 → +10:00 | AEST | No | overlap |
| Australia/Lindeman | 1917-03-24T16:00:00Z | 1917-03-25 02:00:00 | +11:00 → +10:00 | AEST | No | overlap |
| Australia/Melbourne | 1917-03-24T16:00:00Z | 1917-03-25 02:00:00 | +11:00 → +10:00 | AEST | No | overlap |
| Australia/NSW | 1917-03-24T16:00:00Z | 1917-03-25 02:00:00 | +11:00 → +10:00 | AEST | No | overlap |
| Australia/Queensland | 1917-03-24T16:00:00Z | 1917-03-25 02:00:00 | +11:00 → +10:00 | AEST | No | overlap |
| Australia/Sydney | 1917-03-24T16:00:00Z | 1917-03-25 02:00:00 | +11:00 → +10:00 | AEST | No | overlap |
| Australia/Tasmania | 1917-03-24T16:00:00Z | 1917-03-25 02:00:00 | +11:00 → +10:00 | AEST | No | overlap |
| Australia/Victoria | 1917-03-24T16:00:00Z | 1917-03-25 02:00:00 | +11:00 → +10:00 | AEST | No | overlap |
| Australia/Adelaide | 1917-03-24T16:30:00Z | 1917-03-25 02:00:00 | +10:30 → +09:30 | ACST | No | overlap |
| Australia/Broken_Hill | 1917-03-24T16:30:00Z | 1917-03-25 02:00:00 | +10:30 → +09:30 | ACST | No | overlap |
| Australia/Darwin | 1917-03-24T16:30:00Z | 1917-03-25 02:00:00 | +10:30 → +09:30 | ACST | No | overlap |
| Australia/North | 1917-03-24T16:30:00Z | 1917-03-25 02:00:00 | +10:30 → +09:30 | ACST | No | overlap |
| Australia/South | 1917-03-24T16:30:00Z | 1917-03-25 02:00:00 | +10:30 → +09:30 | ACST | No | overlap |
| Australia/Yancowinna | 1917-03-24T16:30:00Z | 1917-03-25 02:00:00 | +10:30 → +09:30 | ACST | No | overlap |
| Australia/Eucla | 1917-03-24T17:15:00Z | 1917-03-25 02:00:00 | +09:45 → +08:45 | +0845 | No | overlap |
| Australia/Perth | 1917-03-24T18:00:00Z | 1917-03-25 02:00:00 | +09:00 → +08:00 | AWST | No | overlap |
| Australia/West | 1917-03-24T18:00:00Z | 1917-03-25 02:00:00 | +09:00 → +08:00 | AWST | No | overlap |
| Africa/Algiers | 1917-03-24T23:00:00Z | 1917-03-25 00:00:00 | +00:00 → +01:00 | WEST | Yes | gap |
| Europe/Monaco | 1917-03-24T23:00:00Z | 1917-03-25 00:00:00 | +00:00 → +01:00 | WEST | Yes | gap |
| Europe/Paris | 1917-03-24T23:00:00Z | 1917-03-25 00:00:00 | +00:00 → +01:00 | WEST | Yes | gap |
| Europe/Malta | 1917-03-31T23:00:00Z | 1917-04-01 01:00:00 | +01:00 → +02:00 | CEST | Yes | gap |
| Europe/Rome | 1917-03-31T23:00:00Z | 1917-04-01 01:00:00 | +01:00 → +02:00 | CEST | Yes | gap |
| Europe/San_Marino | 1917-03-31T23:00:00Z | 1917-04-01 01:00:00 | +01:00 → +02:00 | CEST | Yes | gap |
| Europe/Vatican | 1917-03-31T23:00:00Z | 1917-04-01 01:00:00 | +01:00 → +02:00 | CEST | Yes | gap |
| Atlantic/Bermuda | 1917-04-06T04:19:18Z | 1917-04-06 01:00:00 | -04:19:18 → -03:19:18 | BST | Yes | gap |
| Eire | 1917-04-08T02:00:00Z | 1917-04-08 03:00:00 | +00:00 → +01:00 | BST | Yes | gap |
| Europe/Belfast | 1917-04-08T02:00:00Z | 1917-04-08 03:00:00 | +00:00 → +01:00 | BST | Yes | gap |
| Europe/Dublin | 1917-04-08T02:00:00Z | 1917-04-08 03:00:00 | +00:00 → +01:00 | BST | Yes | gap |
| Europe/Gibraltar | 1917-04-08T02:00:00Z | 1917-04-08 03:00:00 | +00:00 → +01:00 | BST | Yes | gap |
| Europe/Guernsey | 1917-04-08T02:00:00Z | 1917-04-08 03:00:00 | +00:00 → +01:00 | BST | Yes | gap |
| Europe/Isle_of_Man | 1917-04-08T02:00:00Z | 1917-04-08 03:00:00 | +00:00 → +01:00 | BST | Yes | gap |
| Europe/Jersey | 1917-04-08T02:00:00Z | 1917-04-08 03:00:00 | +00:00 → +01:00 | BST | Yes | gap |
| Europe/London | 1917-04-08T02:00:00Z | 1917-04-08 03:00:00 | +00:00 → +01:00 | BST | Yes | gap |
| GB | 1917-04-08T02:00:00Z | 1917-04-08 03:00:00 | +00:00 → +01:00 | BST | Yes | gap |
| GB-Eire | 1917-04-08T02:00:00Z | 1917-04-08 03:00:00 | +00:00 → +01:00 | BST | Yes | gap |
| America/St_Johns | 1917-04-08T05:30:52Z | 1917-04-08 03:00:00 | -03:30:52 → -02:30:52 | NDT | Yes | gap |
| Canada/Newfoundland | 1917-04-08T05:30:52Z | 1917-04-08 03:00:00 | -03:30:52 → -02:30:52 | NDT | Yes | gap |
| Arctic/Longyearbyen | 1917-04-16T01:00:00Z | 1917-04-16 03:00:00 | +01:00 → +02:00 | CEST | Yes | gap |
| Atlantic/Jan_Mayen | 1917-04-16T01:00:00Z | 1917-04-16 03:00:00 | +01:00 → +02:00 | CEST | Yes | gap |
| CET | 1917-04-16T01:00:00Z | 1917-04-16 03:00:00 | +01:00 → +02:00 | CEST | Yes | gap |
| Europe/Berlin | 1917-04-16T01:00:00Z | 1917-04-16 03:00:00 | +01:00 → +02:00 | CEST | Yes | gap |
| Europe/Bratislava | 1917-04-16T01:00:00Z | 1917-04-16 03:00:00 | +01:00 → +02:00 | CEST | Yes | gap |
| Europe/Brussels | 1917-04-16T01:00:00Z | 1917-04-16 03:00:00 | +01:00 → +02:00 | CEST | Yes | gap |
| Europe/Budapest | 1917-04-16T01:00:00Z | 1917-04-16 03:00:00 | +01:00 → +02:00 | CEST | Yes | gap |
| Europe/Kaliningrad | 1917-04-16T01:00:00Z | 1917-04-16 03:00:00 | +01:00 → +02:00 | CEST | Yes | gap |
| Europe/Prague | 1917-04-16T01:00:00Z | 1917-04-16 03:00:00 | +01:00 → +02:00 | CEST | Yes | gap |
| Europe/Vienna | 1917-04-16T01:00:00Z | 1917-04-16 03:00:00 | +01:00 → +02:00 | CEST | Yes | gap |
| Europe/Warsaw | 1917-04-16T01:00:00Z | 1917-04-16 03:00:00 | +01:00 → +02:00 | CEST | Yes | gap |
| MET | 1917-04-16T01:00:00Z | 1917-04-16 03:00:00 | +01:00 → +02:00 | CEST | Yes | gap |
| Poland | 1917-04-16T01:00:00Z | 1917-04-16 03:00:00 | +01:00 → +02:00 | CEST | Yes | gap |
| Europe/Amsterdam | 1917-04-16T01:40:28Z | 1917-04-16 03:00:00 | +00:19:32 → +01:19:32 | NST | Yes | gap |
| Europe/Luxembourg | 1917-04-28T22:00:00Z | 1917-04-29 00:00:00 | +01:00 → +02:00 | CEST | Yes | gap |
| Europe/Moscow | 1917-07-01T20:28:41Z | 1917-07-02 00:00:00 | +02:31:19 → +03:31:19 | MST | Yes | gap |
| W-SU | 1917-07-01T20:28:41Z | 1917-07-02 00:00:00 | +02:31:19 → +03:31:19 | MST | Yes | gap |
| Europe/Luxembourg | 1917-09-16T23:00:00Z | 1917-09-17 00:00:00 | +02:00 → +01:00 | CET | No | overlap |
| Arctic/Longyearbyen | 1917-09-17T01:00:00Z | 1917-09-17 02:00:00 | +02:00 → +01:00 | CET | No | overlap |
| Atlantic/Jan_Mayen | 1917-09-17T01:00:00Z | 1917-09-17 02:00:00 | +02:00 → +01:00 | CET | No | overlap |
| CET | 1917-09-17T01:00:00Z | 1917-09-17 02:00:00 | +02:00 → +01:00 | CET | No | overlap |
| Europe/Berlin | 1917-09-17T01:00:00Z | 1917-09-17 02:00:00 | +02:00 → +01:00 | CET | No | overlap |
| Europe/Bratislava | 1917-09-17T01:00:00Z | 1917-09-17 02:00:00 | +02:00 → +01:00 | CET | No | overlap |
| Europe/Brussels | 1917-09-17T01:00:00Z | 1917-09-17 02:00:00 | +02:00 → +01:00 | CET | No | overlap |
| Europe/Budapest | 1917-09-17T01:00:00Z | 1917-09-17 02:00:00 | +02:00 → +01:00 | CET | No | overlap |
| Europe/Kaliningrad | 1917-09-17T01:00:00Z | 1917-09-17 02:00:00 | +02:00 → +01:00 | CET | No | overlap |
| Europe/Prague | 1917-09-17T01:00:00Z | 1917-09-17 02:00:00 | +02:00 → +01:00 | CET | No | overlap |
| Europe/Vienna | 1917-09-17T01:00:00Z | 1917-09-17 02:00:00 | +02:00 → +01:00 | CET | No | overlap |
| Europe/Warsaw | 1917-09-17T01:00:00Z | 1917-09-17 02:00:00 | +02:00 → +01:00 | CET | No | overlap |
| MET | 1917-09-17T01:00:00Z | 1917-09-17 02:00:00 | +02:00 → +01:00 | CET | No | overlap |
| Poland | 1917-09-17T01:00:00Z | 1917-09-17 02:00:00 | +02:00 → +01:00 | CET | No | overlap |
| Europe/Amsterdam | 1917-09-17T01:40:28Z | 1917-09-17 02:00:00 | +01:19:32 → +00:19:32 | AMT | No | overlap |
| Eire | 1917-09-17T02:00:00Z | 1917-09-17 02:00:00 | +01:00 → +00:00 | GMT | No | overlap |
| Europe/Belfast | 1917-09-17T02:00:00Z | 1917-09-17 02:00:00 | +01:00 → +00:00 | GMT | No | overlap |
| Europe/Dublin | 1917-09-17T02:00:00Z | 1917-09-17 02:00:00 | +01:00 → +00:00 | GMT | No | overlap |
| Europe/Gibraltar | 1917-09-17T02:00:00Z | 1917-09-17 02:00:00 | +01:00 → +00:00 | GMT | No | overlap |
| Europe/Guernsey | 1917-09-17T02:00:00Z | 1917-09-17 02:00:00 | +01:00 → +00:00 | GMT | No | overlap |
| Europe/Isle_of_Man | 1917-09-17T02:00:00Z | 1917-09-17 02:00:00 | +01:00 → +00:00 | GMT | No | overlap |
| Europe/Jersey | 1917-09-17T02:00:00Z | 1917-09-17 02:00:00 | +01:00 → +00:00 | GMT | No | overlap |
| Europe/London | 1917-09-17T02:00:00Z | 1917-09-17 02:00:00 | +01:00 → +00:00 | GMT | No | overlap |
| GB | 1917-09-17T02:00:00Z | 1917-09-17 02:00:00 | +01:00 → +00:00 | GMT | No | overlap |
| GB-Eire | 1917-09-17T02:00:00Z | 1917-09-17 02:00:00 | +01:00 → +00:00 | GMT | No | overlap |
| America/St_Johns | 1917-09-17T04:30:52Z | 1917-09-17 01:00:00 | -02:30:52 → -03:30:52 | NST | No | overlap |
| Canada/Newfoundland | 1917-09-17T04:30:52Z | 1917-09-17 01:00:00 | -02:30:52 → -03:30:52 | NST | No | overlap |
| Europe/Malta | 1917-09-30T22:00:00Z | 1917-09-30 23:00:00 | +02:00 → +01:00 | CET | No | overlap |
| Europe/Rome | 1917-09-30T22:00:00Z | 1917-09-30 23:00:00 | +02:00 → +01:00 | CET | No | overlap |
| Europe/San_Marino | 1917-09-30T22:00:00Z | 1917-09-30 23:00:00 | +02:00 → +01:00 | CET | No | overlap |
| Europe/Vatican | 1917-09-30T22:00:00Z | 1917-09-30 23:00:00 | +02:00 → +01:00 | CET | No | overlap |
| Atlantic/Bermuda | 1917-10-01T03:19:18Z | 1917-09-30 23:00:00 | -03:19:18 → -04:19:18 | BMT | No | overlap |
| Africa/Algiers | 1917-10-07T23:00:00Z | 1917-10-07 23:00:00 | +01:00 → +00:00 | WET | No | overlap |
| Europe/Monaco | 1917-10-07T23:00:00Z | 1917-10-07 23:00:00 | +01:00 → +00:00 | WET | No | overlap |
| Europe/Paris | 1917-10-07T23:00:00Z | 1917-10-07 23:00:00 | +01:00 → +00:00 | WET | No | overlap |
| Europe/Lisbon | 1917-10-14T23:00:00Z | 1917-10-14 23:00:00 | +01:00 → +00:00 | WET | No | overlap |
| Portugal | 1917-10-14T23:00:00Z | 1917-10-14 23:00:00 | +01:00 → +00:00 | WET | No | overlap |
| WET | 1917-10-14T23:00:00Z | 1917-10-14 23:00:00 | +01:00 → +00:00 | WET | No | overlap |
| Atlantic/Madeira | 1917-10-15T00:00:00Z | 1917-10-14 23:00:00 | +00:00 → -01:00 | -01 | No | overlap |
| Atlantic/Azores | 1917-10-15T01:00:00Z | 1917-10-14 23:00:00 | -01:00 → -02:00 | -02 | No | overlap |
| Atlantic/Reykjavik | 1917-10-21T01:00:00Z | 1917-10-21 00:00:00 | +00:00 → -01:00 | -01 | No | overlap |
| Australia/Currie | 1917-10-27T16:00:00Z | 1917-10-28 03:00:00 | +10:00 → +11:00 | AEDT | Yes | gap |
| Australia/Hobart | 1917-10-27T16:00:00Z | 1917-10-28 03:00:00 | +10:00 → +11:00 | AEDT | Yes | gap |
| Australia/Tasmania | 1917-10-27T16:00:00Z | 1917-10-28 03:00:00 | +10:00 → +11:00 | AEDT | Yes | gap |
| Europe/Moscow | 1917-12-27T20:28:41Z | 1917-12-27 23:00:00 | +03:31:19 → +02:31:19 | MMT | No | overlap |
| W-SU | 1917-12-27T20:28:41Z | 1917-12-27 23:00:00 | +03:31:19 → +02:31:19 | MMT | No | overlap |
| Asia/Baghdad | 1917-12-31T21:02:24Z | 1918-01-01 00:02:24 | +02:57:36 → +03:00 | +03 | No | gap |
| Asia/Jerusalem | 1917-12-31T21:39:20Z | 1917-12-31 23:39:20 | +02:20:40 → +02:00 | IST | No | overlap |
| Asia/Tel_Aviv | 1917-12-31T21:39:20Z | 1917-12-31 23:39:20 | +02:20:40 → +02:00 | IST | No | overlap |
| Israel | 1917-12-31T21:39:20Z | 1917-12-31 23:39:20 | +02:20:40 → +02:00 | IST | No | overlap |