Tahiti time zone history
On standard time, clocks in Tahiti run 2 minutes behind local mean solar time. Local mean time, UTC−9:58:16, ended in 1912.
UTC−10
Standard time is UTC−10 all year under the current rules.
UTC−10 every day since 1970
Before 1970
Standard time changes
| Date | Change | New standard time | Clock label |
|---|---|---|---|
| Before 1970 | |||
| October 1, 1912 | Local mean time (UTC−9:58:16) replaced | UTC−10 | numeric only |
Also on UTC−10
Cook Islands, Honolulu (United States) and Adak (United States).
Clocks next door since 1970
- Cook Islands (1,146 km): same time except 4,875 days in 1970–1991.
- Marquesas Islands (1,444 km): always 30 minutes ahead.
- Gambier Islands (1,645 km): always 1 hour ahead.
- Niue (2,154 km): always 1 hour behind.
- Pitcairn Islands (2,182 km): usually 2 hours ahead; different on 10,343 days in 1970–1998.
How it compares
The Tahiti zone has kept UTC−10 since 1912, with no clock changes since 1970.