What time zone is Alaska in?

Alaska is the northernmost & westernmost state in the U.S. !

Alaska is so big it has its own time zone! It even has a small part that stretches into another zone. 


Alaska Time Zone (during Standard Time) is 9 hours off of Greenwich Mean Time

Alaska Time Zone (during Daylight Time) is 8 hours off of Greenwich Mean Time





















Up until October of 1983, Alaska was separated into four time zones. It has since been two -- with the bulk of the state in the above mentioned Alaska Time Zone. The exception to this is the portion of Alaska's Aleutian Islands located west of 169° 30′ W longitude  which fall under  Hawaii-Aleutian Time Zone . The main islands in this zone (from East to West) are Atka, Adak, and Attu. The Hawaii-Aleutian Time Zone is 10 hours off of Greenwich Mean Time and does not observe Daylight Savings Time.

To calculate Alaska Time from :


     Eastern Time - subtract 4 hrs
     Central Time - subtract 3 hrs
     Mountain Time - subtract 2 hrs
     Pacific Time - subtract 1 hr

Map courtesy of Wikimedia Commons