Non-Contiguous U.S. and Territories
Alaska Standard Time
AKST (UTC-9)
![Alaska Map](/web/20231214185821im_/https://www.time.gov/img/map-elements/Alaska.png)
Aleutian Standard Time
HAST (UTC-10)
Hawaii Standard Time
HST (UTC-10)
![Hawaii Map](/web/20231214185821im_/https://www.time.gov/img/map-elements/Hawaii.png)
Samoa Standard Time
SST (UTC-11)
Chamorro Standard Time
CHST (UTC+10)
Puerto Rico
Atlantic Standard Time
Atlantic Standard Time
AST (UTC-4)
Pacific Standard Time
PST (UTC-8)
SYNCHRONIZING
Mountain Standard Time
MST (UTC-7)
Central Standard Time
CST (UTC-6)
Eastern Standard Time
EST (UTC-5)
Arizona Mountain
Standard Time
Standard Time
MST (UTC-7)
![United States Time Zone Map](/web/20231214185821im_/https://www.time.gov/img/map-elements/united-states-map.png)
Coordinated Universal Time (UTC)
UTC is always displayed as a 24-hour clock.
Your Device's Clock UTC-0
Your clock is off by:
s
Puerto Rico
Atlantic Standard Time
Atlantic Standard Time
AST (UTC-4)