HAST to GAMT Converter
HAST is not used on this date
This converter keeps HAST at UTC−10. Adak uses HDT (UTC−9) on this date. Open the HDT converter.Start by searching for a time zone, city, or town.
Add one or more places to compare local times, adjust the date, and share the result.
Quick answers
Selected conversion
2:00 am02:00 HAST (UTC-10), Oct 22, 2026 = 3:00 am03:00 GAMT (UTC-9), Oct 22, 2026
HAST is 1 hour behind GAMT.
HAST and GAMT examples
These examples always use HAST (UTC-10) and GAMT (UTC-9). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.
HAST is 1 hour behind GAMT.
How the time difference changes
HAST is 1 hour behind GAMT year-round.
Working hours of 9:00 am to 6:00 pm in HAST correspond to 10:00 am to 7:00 pm in GAMT.Working hours of 09:00 to 18:00 in HAST correspond to 10:00 to 19:00 in GAMT.
Compare HAST time with GAMT time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Hawaii-Aleutian Standard Time is 1 hour behind Gambier Time.
2:00 am02:00 in HAST is 3:00 am03:00 in GAMT
HAST to GAMT call time
Best time for a conference call or a meeting is between 9am-5pm09:00-17:00 in HAST which corresponds to 10am-6pm10:00-18:00 in GAMT
2:00 am02:00 Hawaii-Aleutian Standard Time (HAST). Offset UTC -10:00 hours
3:00 am03:00 Gambier Time (GAMT). Offset UTC -9:00 hours
2:00 am02:00 HAST / 3:00 am03:00 GAMT
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.
| HAST | GAMT |
|---|---|
| 1:00am | |
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| 12:00am next day | |
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| 00:00 next day |
Hawaii-Aleutian Standard Time
Offset: HAST is 10 hours behind Greenwich Mean Time (GMT).
Countries using this time zone: United States
Today the shaded areas are on UTC−9 (HDT).
Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Hawaii-Aleutian Daylight Time (HADT).
End: Hawaii-Aleutian Standard Time (HAST) 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: Hawaii-Aleutian Standard Time (HAST) 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.
HAST 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 HAST
- W - short form of 'Whiskey'
- HAST - Hawaii-Aleutian Standard Time
- CKT - Cook Island Time
- HST - Hawaii Standard Time
- TAHT - Tahiti Time
- W - Whiskey Time Zone
Gambier Time
Offset: GAMT is 9 hours behind Greenwich Mean Time (GMT).
Countries using this time zone: French Polynesia
Principal Cities: The largest city in the GAMT time zone is Rikitea in French Polynesia, with about 1,103 people.
Daylight Saving: Clocks in Gambier Time (GAMT) do not change for daylight saving time, so GAMT stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.
GAMT 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 GAMT
- V - short form of 'Victor'
- 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