Hawaii-Aleutian Time is the westernmost US time zone. Hawaii stays on Hawaii-Aleutian Standard Time (HST, UTC−10) all year and never uses daylight saving time.
Right now on Hawaii-Aleutian Time
–
HST · UTC−10 all year
Key facts
Full nameHawaii-Aleutian Time
CodeHST
UTC offsetUTC−10 all year
Daylight savingNo
HST (and HDT in the Aleutian Islands).
When the clocks change
Hawaii-Aleutian Time does not use daylight saving time. Clocks stay at UTC−10 all year.
Where it's used
Hawaii
Alaska's Aleutian Islands west of 169°30′W, which do switch to daylight time (HDT, UTC−9) in summer
Hawaii-Aleutian Time is the westernmost US time zone. Hawaii stays on Hawaii-Aleutian Standard Time (HST, UTC−10) all year and never uses daylight saving time.
What is the Hawaii-Aleutian Time code?
HST (and HDT in the Aleutian Islands).
Does Hawaii-Aleutian Time change for daylight saving time?
No. It stays at UTC−10 all year.
What is the difference between Hawaii-Aleutian Time and Alaska Time?
Alaska Time is 1 hour ahead of Hawaii-Aleutian Time in winter and 2 hours ahead in summer.