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OFFICIAL U.S. TIMEUnited States Naval Observatory

Non-Contiguous U.S. and Territories
Alaska DAYLIGHT Time
AKDT (UTC-8)
Alaska Map
Aleutian DAYLIGHT Time
HADT (UTC-9)
Hawaii Standard Time
HST (UTC-10)
Hawaii Map
Samoa Standard Time
SST (UTC-11)
Chamorro Standard Time
CHST (UTC+10)
Atlantic Standard Time
Puerto Rico / US Virgin Islands
AST (UTC-4)
 
Pacific DAYLIGHT Time
PDT (UTC-7)
Mountain DAYLIGHT Time
MDT (UTC-6)
Central DAYLIGHT Time
CDT (UTC-5)
Eastern DAYLIGHT Time
EDT (UTC-4)
Arizona Mountain
Standard Time
MST (UTC-7)
United States Time Zone Map

Coordinated Universal Time (UTC)

UTC is always displayed as a 24-hour clock.

Your Device's Clock UTC-0




Your clock is off by:
+0.007 s

Atlantic Standard Time
Puerto Rico / US Virgin Islands
AST (UTC-4)
About/Contact FAQ
Hashed image for Daylight Saving Time not observed = DAYLIGHT SAVING TIME NOT OBSERVED

Clocks are corrected for network delay

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