HST to AKST Converter
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Add one or more places to compare local times, adjust the date, and share the result.
Quick answers
Selected conversion
2:00 am02:00 HST (UTC-10), Oct 22, 2026 = 4:00 am04:00 AKDT (UTC-8), Oct 22, 2026
HST is 2 hours behind AKDT.
HST and AKST examples
These examples always use HST (UTC-10) and AKST (UTC-9). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.
HST is 1 hour behind AKST.
How the time difference changes
For most of the year, HST is 2 hours behind AKDT. From Nov 1, 2026 to Mar 14, 2027, HST is 1 hour behind AKST.
For most of the year, working hours of 9:00 am to 6:00 pm in HST correspond to 11:00 am to 8:00 pm in AKDT. At other times of the year, working hours of 9:00 am to 6:00 pm in HST correspond to 10:00 am to 7:00 pm in AKST.For most of the year, working hours of 09:00 to 18:00 in HST correspond to 11:00 to 20:00 in AKDT. At other times of the year, working hours of 09:00 to 18:00 in HST correspond to 10:00 to 19:00 in AKST.
Compare HST time with AKST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Hawaii Standard Time is 2 hours behind Alaska Daylight Time.
2:00 am02:00 in HST is 4:00 am04:00 in AKDT
HST to AKDT call time
Best time for a conference call or a meeting is between 9am-4pm09:00-16:00 in HST which corresponds to 11am-6pm11:00-18:00 in AKDT
2:00 am02:00 Hawaii Standard Time (HST). Offset UTC -10:00 hours
4:00 am04:00 Alaska Daylight Time (AKDT). Offset UTC -8:00 hours
2:00 am02:00 HST / 4:00 am04:00 AKDT
Choose an hour to update the converter. Day labels such as “next day” or “+1” are relative to the selected date in the first column. Use Up and Down arrow keys, Home or End to move between hours, then Enter or Space to select.
| HST | AKDT |
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Hawaii Standard Time
Offset: HST is 10 hours behind Greenwich Mean Time (GMT).
Countries using this time zone: United States
Principal Cities: The largest city in the HST time zone is Honolulu in the United States, with about 350,964 people. Other major cities in this time zone include Pearl City, Hilo, Kailua, Waipahu.
Daylight Saving: Some places on Hawaii Standard Time (HST) keep the same time all year, while others use HST for only part of the year and change their clocks for daylight saving time; see upcoming clock changes worldwide.
Today the lighter areas are on UTC−9 (HDT).
HST representations, usage and related time zones
- -10 - basic short
- -1000 - basic
- -10:00 - extended
- -1000 - sign character (-) followed by a four digit time providing hours (10) and minutes (00) of the offset. Indicates an offset of ten hours to the west of the zero meridian.
- Whiskey - Military abbreviation for HST
- W - short form of 'Whiskey'
- America/Adak
- America/Atka
- HST
- Pacific/Honolulu
- Pacific/Johnston
- US/Aleutian
- US/Hawaii
- HAST - Hawaii-Aleutian Standard Time
- CKT - Cook Island Time
- HST - Hawaii Standard Time
- TAHT - Tahiti Time
- W - Whiskey Time Zone
Alaska Standard Time
Offset: AKST is 9 hours behind Greenwich Mean Time (GMT).
Countries using this time zone: United States
Principal Cities: The largest city in the AKST time zone is Anchorage in the United States, with about 289,600 people. Other major cities in this time zone include Fairbanks, Juneau, Knik-Fairview, Wasilla.
Today the shaded areas are on UTC−8 (AKDT).
Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Alaska Daylight Time (AKDT).
End: Alaska Standard Time (AKST) ended on Sunday, March 8, 2026 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, March 8, 2026, 3:00 am03:00 local daylight time instead. Standard time ends annually on the second Sunday of March.
Start: Alaska Standard Time (AKST) starts on Sunday, November 1, 2026 at 2:00 am02:00 local time and clocks are set one hour back to Sunday, November 1, 2026, 1:00 am01:00. Standard time starts annually on the first Sunday of November.
See USA daylight saving time and upcoming clock changes worldwide.
AKST representations, usage and related time zones
- -09 - basic short
- -0900 - basic
- -09:00 - extended
- -0900 - sign character (-) followed by a four digit time providing hours (09) and minutes (00) of the offset. Indicates an offset of nine hours to the west of the zero meridian.
- Victor - Military abbreviation for AKST
- V - short form of 'Victor'
- America/Anchorage
- America/Juneau
- America/Metlakatla
- America/Nome
- America/Sitka
- America/Yakutat
- US/Alaska
- AKST - Alaska Standard Time
- AHDT - Alaska-Hawaii Daylight Time
- HADT - Hawaii-Aleutian Daylight Time
- GAMT - Gambier Time
- HDT - Hawaii Daylight Time
- V - Victor Time Zone