The Hawaii-Aleutian Time Zone observes Hawaii-Aleutian Standard Time (HAST), by subtracting ten hours from Coordinated Universal Time (UTC−10). The clock time in this zone is based on the mean solar time of the 150th meridian west of the Greenwich Observatory.
The zone takes its name from the two areas it includes: Hawaii and the portion of Alaska's Aleutian Islands west of 169° 30′ W longitude. During DST the Alaskan portion observes HADT while ...
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Offset from UTC:
- -10 h
Locations in this time zone:
- Kauai County ,
- Rat Island ,
- Niihau ,
- Molokini ,
- Attu Island ,
- Hawaii County ,
- Kahoolawe ,
- Hawaii ,
- Kealakekua Bay ,
- United States of America