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.
Where and When is HDT Observed?
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:
Time zones by continent/region
- Central America
- Indian Ocean
- North America
- South America