List of U.S. states by time zone

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Map of U.S. time zones

This is a list of U.S. states by time zone. For more information about time zones, please see: time zone.

Most of the United States uses Daylight Saving Time (DST). In the list, it will say if the state or territory does not use DST.

Note: the time zones listed on this page are listed in Coordinated Universal Time (UTC) as well as the names of the time zones as they are called within the United States. For an explanation on what UTC+# and UTC-# mean, please see the UTC page.

Zones[change | edit source]

These are the times zones that are used by the United States and its territories:

  • UTC-11: Samoa Standard Time
  • UTC-10: Hawaii-Aleutian Standard Time (HST)
  • UTC-9: Alaska Standard Time (AKST)
  • UTC-8: Pacific Standard Time (PST)
  • UTC-7: Mountain Standard Time (MST)
  • UTC-6: Central Standard Time (CST)
  • UTC-5: Eastern Standard Time (EST)
  • UTC-4: Atlantic Standard Time (ATC)
  • UTC+10:Chamorro Standard Time

States[change | edit source]

State Time Zone
Alabama Central Standard Time (CST)
Alaska Alaska Standard Time (AKST)
Aleutian Islands Hawaii-Aleutian Standard Time (HST)
Arizona Mountain Standard Time (MST)
The Navajo Nation uses Daylight Saving Time (DST), the rest of the state does not
Arkansas Central Standard Time (CST)
California Pacific Standard Time (PST)
Colorado Mountain Standard Time (MST)
Connecticut Eastern Standard Time (EST)
Delaware Eastern Standard Time (EST)
Florida Most of the state: Eastern Standard Time (EST)
West of the Apalachicola River: Central Standard Time (CST)
Georgia Eastern Standard Time (EST)
Hawaii Hawaii-Aleutian Standard Time (HST)
Hawaii does not use Daylight Saving Time (DST)
Idaho Most of the state: Mountain Standard Time (MST)
North of the Salmon River: Pacific Standard Time (PST)
Illinois Central Standard Time (CST)
Indiana Most of the state: Eastern Standard Time (EST)
Northwest and southwest corners: Central Standard Time (CST)
Iowa Central Standard Time (CST)
Kansas Most of the state: Central Standard Time (CST)
Greeley, Hamilton, Sherman and Wallace counties: Mountain Standard Time (MST)
Kentucky Western half of the state: Central Standard Time (CST)
Eastern half of the state: Eastern Standard Time (EST)
Louisiana Central Standard Time (CST)
Maine Eastern Standard Time (EST)
Maryland Eastern Standard Time (EST)
Massachusetts Eastern Standard Time (EST)
Michigan Most of the state: Eastern Standard Time (EST)
Counties that share a border with Wisconsin: Central Standard Time (CST)
Minnesota Central Standard Time (CST)
Mississippi Central Standard Time (CST)
Missouri Central Standard Time (CST)
Montana Mountain Standard Time (MST)
Nebraska Most of the state: Central Standard Time (CST)
Western part of the state: Mountain Standard Time (MST)
Nevada Most of the state: Pacific Standard Time (PST)
2 small towns, Jackpot and West Wendover: Mountain Standard Time (MST)
New Hampshire Eastern Standard Time (EST)
New Jersey Eastern Standard Time (EST)
New Mexico Mountain Standard Time (MST)
New York Eastern Standard Time (EST)
North Carolina Eastern Standard Time (EST)
North Dakota Most of the state: Central Standard Time (CST)
Southwestern part of the state: Mountain Standard Time (MST)
Ohio Eastern Standard Time (EST)
Oklahoma Central Standard Time (CST)
Oregon Most of the state: Pacific Standard Time (PST)
Part of Malheur County: Mountain Standard Time (MST)
Pennsylvania Eastern Standard Time (EST)
Rhode Island Eastern Standard Time (EST)
South Carolina Eastern Standard Time (EST)
South Dakota Eastern half of the state: Central Standard Time (CST)
Western half of the state: Mountain Standard Time (MST)
Tennessee West Tennessee: Central Standard Time (CST)
Middle Tennessee, plus Marion County: Central Standard Time (CST)
East Tennessee, except Marion County: Eastern Standard Time (EST)
Texas Most of the state: Central Standard Time (CST)
El Paso and Hudspeth counties and part of Culberson County: Mountain Standard Time (MST)
Utah Mountain Standard Time (MST)
Virginia Eastern Standard Time (EST)
Vermont Eastern Standard Time (EST)
Washington Pacific Standard Time (PST)
West Virginia Eastern Standard Time (EST)
Wisconsin Central Standard Time (CST)
Wyoming Mountain Standard Time (MST)

Territories[change | edit source]

The territories of the United States do not use Daylight Savings Time (DST)

Territory Time zone
American Samoa UTC-11: Samoa Standard Time
Guam UTC+10: Chamorro Standard Time
Northern Mariana Islands UTC+10: Chamorro Standard Time
Puerto Rico UTC-4: Atlantic Standard Time (ATC)
U.S. Virgin Islands UTC-4: Atlantic Standard Time (ATC)

Other websites[change | edit source]