How Many Time Zones in USA | Time Zones in the United States of America 2022

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How Many Time Zones Are in the United States 

By law, there are 9 time zones in the united states and its dependencies. 

Zones used in the contiguous U.S.  

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Eastern Time Zone (UTC−04:00) 

New York 

Zones used in the contiguous U.S.  

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Central Time Zone (UTC−05:00) 

Chicago 

Zones used in the contiguous U.S.  

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Mountain Time Zone (UTC−06:00) 

Salt Lake City 

Zones used in the contiguous U.S.  

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Pacific Time Zone (UTC−07:00) 

Phoenix,  Los Angele

Zones used in states beyond the contiguous U.S. 

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Alaska Time Zone (UTC−08:00) 

Anchorage 

Zones used in states beyond the contiguous U.S. 

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Hawaii–Aleutian Time Zone (UTC−09:00) 

Adak 

Zones used in U.S. territories 

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Samoa Time Zone (UTC−11:00)  

US Minor Outlying Islands, American Samoa 

Zones used in U.S. territories 

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Chamorro Time Zone (UTC+10:00)  

Northern Mariana Islands, Guam 

Zones used in U.S. territories 

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Atlantic Time Zone (UTC−04:00)  

US Virgin Islands, Puerto Rico