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

Time Zone names, codes and abbreviations for Standard Time and Daylight Saving Time (DST) around the world.

Also known as: HADT – Hawaii Daylight Time

North America: HADT is not observed in any location this year.

Time zone map of HDT
No locations currently on HDT.
Areas with same time currently (UTC -9).
No locations are currently on HDT – Hawaii-Aleutian Daylight Time.
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

Winter Time & DST

This time zone is a daylight saving/summer time zone, in the winter some places will switch to the corresponding standard time zone: HST (Hawaii Standard Time).

Where and When is HDT Observed?

North America

U.S. states using HDT in the summer and HST in the winter:

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: