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.
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?
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:
Time zones by continent/region
- Central America
- Indian Ocean
- North America
- South America