Also known as: HADT – Hawaii Daylight Time
Currently observing HDT.
Areas with same time currently (UTC -9).
Areas with same time currently (UTC -9).
Currently observing HDT – Hawaii-Aleutian Daylight Time.
Currently has same time zone offset as HDT (UTC -9) but different time zone name.
Currently has same time zone offset as HDT (UTC -9) but different time zone name.
Hawaii-Aleutian Daylight Time (HDT) is 9 hours behind Coordinated Universal Time (UTC). This time zone is a Daylight Saving Time time zone and is used in: North America.
See full time zone map
Where and When is HDT Observed?
North America
US states using HDT in the summer and HST in the winter:
- Alaska - Aleutian Islands west of 169.30 West (east of 169.30 West use AKST/AKDT)
Other Time Zones in UTC -9
Some time zones exist that have the same offset as HDT, but can be found under a different name:
- AKST – Alaska Standard Time
- GAMT – Gambier Time
- V – Victor Time Zone
Time zones by continent/region
- Africa
- Antarctica
- Asia
- Atlantic
- Australia
- Caribbean
- Central America
- Europe
- Indian Ocean
- Military
- North America
- Pacific
- South America
See all Time zone abbreviations
Time zones Tools
- Time Zone Converter
- International Meeting Planner
- Event Time Announcer
- Time Zone Abbreviations
- Time Zone News
- Daylight Saving Time
- Time Changes Worldwide
- Time Difference
HDT time now
00:00:00
Showing 24 hour format.
UTC – Coordinated
Universal Time is the common time standard across the world.
Time Zones Map
