Papua New Guinea Zone NAME STDOFF RULES FORMAT [UNTIL]
Pacific/Port_Moresby
Time zone identifier: Pacific/Port_Moresby
Current civil offset: +10:00 (+10)
Current DST state: Observing Standard Time
First standard time adoption: Adopted on 1879-12-31
Local Mean Time (LMT): +09:48:40 based on geographic meridian
Total recorded transitions: 2 transitions across 3 distinct offsets
Associated countries: AQ, FM, PG
Aliases (Link targets): Antarctica/DumontDUrville, Pacific/Chuuk, Pacific/Truk, Pacific/Yap
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Historical Offset Step Chart (1880 to Present)
Text summary: Pacific/Port_Moresby shifted between 3 distinct offsets from 1879-12-31 through the modern era.
Complete Transition History (2 Transitions)
| UTC Instant | Local Wall Time | Shift | Abbreviation | DST | Effect |
|---|---|---|---|---|---|
1879-12-31T14:11:20Z | 1879-12-31 23:59:52 | +09:48:40 → +09:48:32 | PMMT | No | overlap |
1894-12-31T14:11:28Z | 1895-01-01 00:11:28 | +09:48:32 → +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.
australasia(Lines 674 to 676)