Home   Time Zones   Abbreviations   HDT – Hawaii-Aleutian Daylight Time

Hawaii-Aleutian Daylight Time – HDT Time Zone (Daylight Saving Time)

Also known as: HADT – Hawaii Daylight Time

No locations currently on HDT. Would you like to see HST?

North America: HDT is currently not observed because locations are on standard time and are observing HST.

Time zone map of HDT
No locations currently on HDT.
Observes HDT part of the year.
Areas with same time currently (UTC -9).
No locations are currently on HDT – Hawaii-Aleutian Daylight Time.
Observes HDT – Hawaii-Aleutian Daylight Time part of the year, but not currently.
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:

This time zone is in use, but not observed in any location at this time.

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: