AHDT to U Converter
Quick answers
Selected conversion
The selected date and time will appear here when the converter loads.
AHDT and U examples
These examples always use AHDT (UTC-9) and U (UTC-8). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.
AHDT is 1 hour behind U.
How the time difference changes
AHDT is 1 hour behind U year-round.
Working hours of 9:00 am to 5:00 pm in AHDT correspond to 10:00 am to 6:00 pm in U.
Compare AHDT time with U time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Alaska-Hawaii Daylight Time is 1 hour behind Uniform Time Zone
3:00 am03:00 in AHDT is 4:00 am04:00 in U
AHDT to U call time
Best time for a conference call or a meeting is between 9am-4pm in AHDT which corresponds to 10am-5pm in U
3:00 am03:00 Alaska-Hawaii Daylight Time (AHDT). Offset UTC -9:00 hours
4:00 am04:00 Uniform Time Zone (U). Offset UTC -8:00 hours
3:00 am03:00 AHDT / 4:00 am04:00 U
| AHDT | U |
|---|---|
| 12am (midnight) | 1am |
| 1am | 2am |
| 2am | 3am |
| 3am | 4am |
| 4am | 5am |
| 5am | 6am |
| 6am | 7am |
| 7am | 8am |
| 8am | 9am |
| 9am | 10am |
| 10am | 11am |
| 11am | 12pm (noon) |
| 12pm (noon) | 1pm |
| 1pm | 2pm |
| 2pm | 3pm |
| 3pm | 4pm |
| 4pm | 5pm |
| 5pm | 6pm |
| 6pm | 7pm |
| 7pm | 8pm |
| 8pm | 9pm |
| 9pm | 10pm |
| 10pm | 11pm |
| 11pm | 12am (midnight) |
| 00:00 | 01:00 |
| 01:00 | 02:00 |
| 02:00 | 03:00 |
| 03:00 | 04:00 |
| 04:00 | 05:00 |
| 05:00 | 06:00 |
| 06:00 | 07:00 |
| 07:00 | 08:00 |
| 08:00 | 09:00 |
| 09:00 | 10:00 |
| 10:00 | 11:00 |
| 11:00 | 12:00 |
| 12:00 | 13:00 |
| 13:00 | 14:00 |
| 14:00 | 15:00 |
| 15:00 | 16:00 |
| 16:00 | 17:00 |
| 17:00 | 18:00 |
| 18:00 | 19:00 |
| 19:00 | 20:00 |
| 20:00 | 21:00 |
| 21:00 | 22:00 |
| 22:00 | 23:00 |
| 23:00 | 00:00 |
Alaska-Hawaii Daylight Time
Offset: AHDT is 9 hours behind Greenwich Mean Time (GMT) and is used in America
Countries using this time zone: United States
Principal Cities: The largest city in the AHDT time zone is Anchorage in the United States, with about 291,826 people. Other major cities in this time zone include Fairbanks, Juneau, Eagle River, Badger.
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).
Start: Alaska-Hawaii Daylight Time (AHDT) started on Sunday, November 2, 2025 at 2:00 am local time and clocks were set one hour back to Sunday, November 2, 2025, 1:00 am. Standard time starts annually on the first Sunday of November.
End: Alaska-Hawaii Daylight Time (AHDT) ends on Sunday, March 8, 2026 at 2:00 am local time and clocks are set one hour forward to Sunday, March 8, 2026, 3:00 am local daylight time instead. Standard time ends annually on the second Sunday of March.
AHDT 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 AHDT
- 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
Uniform Time Zone
Offset: U is 8 hours behind Greenwich Mean Time (GMT) and is used in Military
Daylight Saving: Clocks in Uniform Time Zone (U) do not change for daylight saving time, so U stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter.
U 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 U
- U - short form of 'Uniform'
- AKDT - Alaska Daylight Time
- PST - Pacific Standard Time
- PT - Pacific Time
- PST - Pitcairn Standard Time
- U - Uniform Time Zone