Yakutat time zone history
On standard time, clocks in Yakutat run 19 minutes ahead of local mean solar time. Local mean time, UTC−9:18:55, ended in 1900.
UTC−9
Standard time is UTC−9 (AKDT/AKST); clocks go forward to UTC−8 on the second Sunday in March and back on the first Sunday in November.
Summer time in every year since 1970
Before 1970
Standard time changes
| Date | Change | New standard time | Clock label |
|---|---|---|---|
| Before 1970 | |||
| October 19, 1867 | Standard time back 24 hours | UTC−9:18:55 | LMT |
| August 20, 1900 | Local mean time (UTC−9:18:55) replaced | UTC−9 | YST |
Daylight saving periods
| Years | Clocks go forward | Clocks go back | Shift and labels |
|---|---|---|---|
| 1942 | February 9 | not that year | 1 hour, YST to YWT |
| 1945 | not that year | September 30 | 1 hour |
| 1969–1973 | last Sunday in April, 02:00 | last Sunday in October, 02:00 | 1 hour, YST to YDT |
Since 1970: the periods shared by 5 of 29 zones, listed on the United States page.
Clock changes in 2026, 2027 and 2028
The clocks go forward 1 hour (AKST to AKDT) on March 8, 2026, March 14, 2027 and March 12, 2028 at 02:00 and back 1 hour (AKDT to AKST) on November 1, 2026, November 7, 2027 and November 5, 2028 at 02:00, local time.
Also on UTC−9
Juneau (United States), Sitka (United States), Anchorage (United States), Metlakatla (United States), Nome (United States) and Gambier Islands (French Polynesia).
Clocks next door since 1970
- Whitehorse (Canada) (290 km): usually 1 hour ahead; different on 2,843 days in 1970–2026; 2 hours ahead today.
- Juneau (334 km): same time except 4,868 days in 1970–1983.
- Sitka (369 km): same time except 5,050 days in 1970–1983.
- Dawson (Canada) (503 km): usually 1 hour ahead; different on 3,504 days in 1970–2026; 2 hours ahead today.
- Anchorage (588 km): same time except 5,050 days in 1970–1983.
How it compares
Standard time has stayed at UTC−9 since 1900.