HDT to AKDT Converter
HDT is not used on this date
This converter keeps HDT at UTC−9. Honolulu uses HST (UTC−10) on this date. Open the HST converter, or choose Honolulu, Pearl City, or Hilo for city-specific time.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
3:00 am03:00 HDT (UTC-9), Oct 22, 2026 = 4:00 am04:00 AKDT (UTC-8), Oct 22, 2026
HDT is 1 hour behind AKDT.
HDT and AKDT examples
These examples always use HDT (UTC-9) and AKDT (UTC-8). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.
HDT is 1 hour behind AKDT.
How the time difference changes
For most of the year, HDT is 1 hour behind AKDT. From Nov 1, 2026 to Mar 14, 2027, HDT and AKST have the same time.
For most of the year, working hours of 9:00 am to 6:00 pm in HDT correspond to 10:00 am to 7:00 pm in AKDT. At other times of the year, working hours of 9:00 am to 6:00 pm in HDT correspond to 9:00 am to 6:00 pm in AKST.For most of the year, working hours of 09:00 to 18:00 in HDT correspond to 10:00 to 19:00 in AKDT. At other times of the year, working hours of 09:00 to 18:00 in HDT correspond to 09:00 to 18:00 in AKST.
Compare HDT time with AKDT time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Hawaii Daylight Time is 1 hour behind Alaska Daylight Time.
3:00 am03:00 in HDT is 4:00 am04:00 in AKDT
HDT to AKDT call time
Best time for a conference call or a meeting is between 9am-5pm09:00-17:00 in HDT which corresponds to 10am-6pm10:00-18:00 in AKDT
3:00 am03:00 Hawaii Daylight Time (HDT). Offset UTC -9:00 hours
4:00 am04:00 Alaska Daylight Time (AKDT). Offset UTC -8:00 hours
3:00 am03:00 HDT / 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.
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Hawaii Daylight Time
Offset: HDT is 9 hours behind Greenwich Mean Time (GMT).
Countries using this time zone: United States
Today all shaded areas are on HDT.
HDT 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 HDT
- V - short form of 'Victor'
- America/Adak
- America/Atka
- US/Aleutian
- 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
Alaska Daylight Time
Offset: AKDT is 8 hours behind Greenwich Mean Time (GMT).
Countries using this time zone: United States
Principal Cities: The largest city in the AKDT 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 all shaded areas are on AKDT.
Daylight Saving: Alaska Daylight Time (AKDT) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe Alaska Standard Time (AKST).
Start: Alaska Daylight Time (AKDT) started 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. Daylight saving starts annually on the second Sunday of March.
End: Alaska Daylight Time (AKDT) ends 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 local standard time instead. Daylight saving ends annually on the first Sunday of November.
See USA daylight saving time and upcoming clock changes worldwide.
AKDT representations, usage and related time zones
- -08 - basic short
- -0800 - basic
- -08:00 - extended
- -0800 - sign character (-) followed by a four digit time providing hours (08) and minutes (00) of the offset. Indicates an offset of eight hours to the west of the zero meridian.
- Uniform - Military abbreviation for AKDT
- U - short form of 'Uniform'
- America/Anchorage
- America/Juneau
- America/Metlakatla
- America/Nome
- America/Sitka
- America/Yakutat
- US/Alaska
- AKDT - Alaska Daylight Time
- PST - Pacific Standard Time
- PT - Pacific Time
- PST - Pitcairn Standard Time
- U - Uniform Time Zone