HAST – Hawaii-Aleutian Standard Time (Standard Time)
Also known as: HST – Hawaii Standard Time
Pacific: HAST is not observed in any location this year.
Please use the search field on the right to find the correct local time in any city.
Summer Time & DST
Email Time Zone Indicator: -1000
An email sent from someone in the Hawaii-Aleutian Standard Time (HAST) time zone will have the time zone listed as "-1000" in the headers of the email. (However, "-1000" does not have to be in Hawaii-Aleutian Standard Time, as other time zones could have the same UTC offset).
Where and When is HAST Observed?
Other Time Zones in UTC -10
Some time zones exist that have the same offset as HAST, but can be found under a different name:
Time zones by continent/region
- Central America
- Indian Ocean
- North America
- South America
HAST time now
Only used in some regions
Friday, January 20, 2017
- HAST will be observed in Adak until Mar 12, 2017 at 2:00 am
- UTC Offset: UTC -10
- 5 hours behind Washington DC
Find current time and time zone by city
Related time zones
HADT – Hawaii-Aleutian Daylight Time (Daylight Time)