North American time zones:

HADT – Hawaii-Aleutian Daylight Time

Current time in Adak

Tuesday, June 27, 2017 at 11:48:03 PM HADT

Adak will stay on HADT until Sunday, November 5, 2017 at 2:00 AM
when clocks are moved to Sunday, November 5, 2017 at 01:00:00HAST

Find local time and time zone for a location

We recommend looking up by location name, not time zone name.

Time zone offset: UTC - 9 hours

HADT is 9 hours behind of Coordinated Universal Time (UTC)

Note that HADT is a daylight saving time/summer time zone. It is generally only used during the summer in the places listed below, during the winter HAST is used instead

Time zone abbreviation: HADT

Full name is Hawaii-Aleutian Daylight Time

Email time zone indicator: -0900

An email sent from someone in the HADT time zone will have the time zone listed as "-0900" in the headers of the email. (However, "-0900" does not have to be in HADT, as other time zones could have the same UTC offset).

For actual dates DST might be observed, look at the examples below

Where and when is HADT observed?

US states using HADT in the summer and HAST during the winter

Time zone maps are under development and will be available later

Example location in HADT

Other time zones in North America

Go directly through the links below, or see the North America time zone list

Time zones in other regions

Related links