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.
Where and When is HDT Observed?
North America
US 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: