Yellowknife, Northwest Territories Commented out as too wrong to be useful. Zone America/Yellowknife 0 - -00 1935 # Yellowknife founded? -7:00 NT_YK M%sT 1980 -7:00 Canada M%sT Dumont d'Urville, Île des Pétrels, -6640+14001, since 1956-11 <https://en.wikipedia.org/wiki/Dumont_d'Urville_Station> (2005-12-05) Another base at Port-Martin, 50km east, began operation in 1947. It was destroyed by fire on 1952-01-14.
Antarctica/DumontDUrville
Time zone identifier: Antarctica/DumontDUrville
Current civil offset: +10:00 (+10)
Current DST state: Observing Standard Time
First standard time adoption: Adopted on 1947-01-01
Total recorded transitions: 3 transitions across 2 distinct offsets
Associated countries: AQ
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Historical Offset Step Chart (1880 to Present)
Text summary: Antarctica/DumontDUrville shifted between 2 distinct offsets from 1947-01-01 through the modern era.
Complete Transition History (3 Transitions)
| UTC Instant | Local Wall Time | Shift | Abbreviation | DST | Effect |
|---|---|---|---|---|---|
1947-01-01T00:00:00Z | 1947-01-01 10:00:00 | +00:00 → +10:00 | +10 | No | gap |
1952-01-13T14:00:00Z | 1952-01-13 14:00:00 | +10:00 → +00:00 | -00 | No | overlap |
1956-11-01T00:00:00Z | 1956-11-01 10:00:00 | +00:00 → +10:00 | +10 | No | gap |
Notes from the Maintainers
Years on Record
Methodology Note: The 1970 Rule
tzdb guarantees accuracy for timestamps from 1970 onwards. Transitions prior to 1970 represent best-effort historical reconstructions.
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