American Samoa time zone history
At UTC−11, its standard time is the furthest behind UTC of all 312 zones, shared with 1 other zone. On standard time, clocks in Pago Pago run 23 minutes ahead of local mean solar time.
UTC−11
Standard time is UTC−11 (SST) all year under the current rules.
UTC−11 every day since 1970
Before 1970
Standard time changes
| Date | Change | New standard time | Clock label |
|---|---|---|---|
| Before 1970 | |||
| July 5, 1892 | Standard time back 24 hours | UTC−11:22:48 | LMT |
| January 1, 1911 | Local mean time (UTC−11:22:48) replaced | UTC−11 | SST |
Also on UTC−11
Niue.
Clocks next door since 1970
- Samoa (121 km): same time except 5,766 days in 2010–2026; 24 hours ahead today.
- Niue (535 km): same time every day.
- Tokelau (548 km): same time except 5,481 days in 2011–2026; 24 hours ahead today.
- Tonga (900 km): usually 24 hours ahead; different on 402 days in 1999–2002, 2016 and 2017.
- Fiji (1,239 km): usually 23 hours ahead; different on 1,204 days in 1998–2000 and 2009–2021.
How it compares
American Samoa has kept UTC−11 since 1911, with no clock changes since 1970.