Adak Time
Adak Time
Adak uses Hawaii-Aleutian Time (HAST/HADT) and is the westernmost US city. The remote Aleutian Islands town is home to a small fishing community and a former US Navy base.
Why people check Adak time
Common reasons to track the current time in Adak.
Commercial fishing
Adak is a base for Bering Sea crab and pollock fishing fleets; vessel schedules run on HAST/HADT.
Wildlife & birding
The Aleutians are a prime birding destination with rare Asian species; tour operators track HAST/HADT.
Former naval base
The decommissioned NAS Adak once monitored the North Pacific; its infrastructure serves current logistics operations.
Remote Pacific exploration
Adak is a staging point for expeditions into the western Aleutians and North Pacific; teams track HAST/HADT.
Adak Time — FAQ
What time zone is Adak in?
Adak uses HAST (UTC−10) in winter and HADT (UTC−9) during daylight saving time, making it the only US locale west of Hawaii that observes DST.
Is Adak the same time as Hawaii?
In winter yes — both are UTC−10. In summer, Adak moves to HADT (UTC−9) while Hawaii stays on HST (UTC−10), so Adak is then 1 hour ahead of Hawaii.
How far behind London is Adak?
Adak is 10 hours behind London in winter and 9 hours behind when London is on BST.
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