Cayman Is Panama Atikokan and Coral Harbour, Canada, match Panama since 1970. Zone NAME STDOFF RULES FORMAT [UNTIL]
America/Panama
Time zone identifier: America/Panama
Current civil offset: -05:00 (EST)
Current DST state: Observing Standard Time
First standard time adoption: Adopted on 1890-01-01
Local Mean Time (LMT): -05:18:08 based on geographic meridian
Total recorded transitions: 2 transitions across 3 distinct offsets
Associated countries: CA, KY, PA
Aliases (Link targets): America/Atikokan, America/Cayman, America/Coral_Harbour, EST
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Historical Offset Step Chart (1880 to Present)
Text summary: America/Panama shifted between 3 distinct offsets from 1890-01-01 through the modern era.
Complete Transition History (2 Transitions)
| UTC Instant | Local Wall Time | Shift | Abbreviation | DST | Effect |
|---|---|---|---|---|---|
1890-01-01T05:18:08Z | 1889-12-31 23:58:32 | -05:18:08 → -05:19:36 | CMT | No | overlap |
1908-04-22T05:19:36Z | 1908-04-22 00:19:36 | -05:19:36 → -05:00 | EST | 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.
northamerica(Lines 3800 to 3805)