List of time offsets by U.S. state and territory

(Redirected from List of U.S. states by time zone)

Map of U.S. time zones with new CST and EST areas displayed. Some U.S. time zones, such as the Samoa Time Zone, are not on this map.

This is a list of the time offsets by U.S. states, federal district, and territories. For more about the time zones of the U.S. see time in the United States.

Most states are entirely contained within one time zone. However, some states are in two time zones, due to geographical, socio-political or economic reasons.

States, federal district and territories

State federal district or territory	Time Offsets	DST	Details
Alabama	UTC−06:00 CT	Yes	Central Standard Time (Phenix City observes Eastern time on a de facto basis)
Alaska	UTC−09:00 AKT	Yes	Most of state: UTC−09:00 AKST Alaska Standard Time
Alaska	UTC−10:00 HT	Yes	Aleutian Islands (west of 169°30' W): UTC−10:00 HST Hawaii–Aleutian Standard Time
American Samoa	UTC−11:00 ST	No	Samoa Standard Time
Arizona	UTC−07:00 MT	Part	Mountain Standard Time. Except for the Navajo Nation, Arizona does not observe DST.
Arkansas	UTC−06:00 CT	Yes	Central
California	UTC−08:00 PT	Yes	Pacific Standard Time
Colorado	UTC−07:00 MT	Yes	Mountain
Connecticut	UTC−05:00 ET	Yes	Eastern Standard Time
Delaware	UTC−05:00 ET	Yes	Eastern
District of Columbia	UTC−05:00 ET	Yes	Eastern
Florida	UTC−05:00 ET	Yes	Big Bend and peninsula regions east of the Apalachicola River along with the portion of Gulf County south of the Intracoastal Waterway: UTC−05:00 EST Eastern Standard Time
Florida	UTC−06:00 CT	Yes	Florida Panhandle West of the Apalachicola River except for the portion of Gulf County south of the Intracoastal Waterway: UTC−06:00 CST Central Standard Time
Georgia	UTC−05:00 ET	Yes	Eastern
Guam	UTC+10:00 ChT	No	Chamorro Standard Time
Hawaii	UTC−10:00 HT	No	Hawaii–Aleutian
Idaho	UTC−07:00 MT	Yes	Most of state: UTC−07:00 MST Mountain Standard Time (A legislative error in 1923 in the Calder Act seemingly put this area at UTC−06:00 CST, and was corrected by Congress in 2007.) 15 U.S.C. ch. 6, § 264. MST has been observed since 1923.
Idaho	UTC−08:00 PT	Yes	North of the Salmon River, that is between the Oregon state border and the Idaho County/Lemhi County border; west of the Idaho County/Lemhi County border, that is between the Salmon River and the Montana state border: UTC−08:00 PST Pacific Standard Time
Illinois	UTC−06:00 CT	Yes	Central
Indiana	UTC−05:00 ET	Yes	Most of state: UTC−05:00 EST Eastern Standard Time
Indiana	UTC−06:00 CT	Yes	Northwest and southwest corners: UTC−06:00 CST Central Standard Time (See Time in Indiana for more information)
Iowa	UTC−06:00 CT	Yes	Central
Kansas	UTC−06:00 CT	Yes	Most of state: UTC−06:00 CST Central Standard Time
Kansas	UTC−07:00 MT	Yes	Greeley, Hamilton, Sherman and Wallace counties: UTC−07:00 MST Mountain Standard Time
Kentucky	UTC−05:00 ET	Yes	Eastern 60% of state: UTC−05:00 EST Eastern Standard Time
Kentucky	UTC−06:00 CT	Yes	Western 40% of state: UTC−06:00 CST Central Standard Time
Louisiana	UTC−06:00 CT	Yes	Central
Maine	UTC−05:00 ET	Yes	Eastern
Maryland	UTC−05:00 ET	Yes	Eastern
Massachusetts	UTC−05:00 ET	Yes	Eastern
Michigan	UTC−05:00 ET	Yes	Most of state: UTC−05:00 EST Eastern Standard Time
Michigan	UTC−06:00 CT	Yes	Upper Peninsula counties bordering Wisconsin: UTC−06:00 CST Central Standard Time
Minnesota	UTC−06:00 CT	Yes	Central
Mississippi	UTC−06:00 CT	Yes	Central
Missouri	UTC−06:00 CT	Yes	Central
Montana	UTC−07:00 MT	Yes	Mountain
Nebraska	UTC−06:00 CT	Yes	Most of state: UTC−06:00 CST Central Standard Time
Nebraska	UTC−07:00 MT	Yes	Nebraska Panhandle, counties with Colorado as a western boundary, and the western Sand Hills: UTC−07:00 MST Mountain Standard Time
Nevada	UTC−07:00 MT	Yes	West Wendover city limits: UTC−07:00 MST Mountain Standard Time
Nevada	UTC−08:00 PT	Yes	Most of state: UTC−08:00 PST Pacific Standard Time
New Hampshire	UTC−05:00 ET	Yes	Eastern
New Jersey	UTC−05:00 ET	Yes	Eastern
New Mexico	UTC−07:00 MT	Yes	Mountain
New York	UTC−05:00 ET	Yes	Eastern
North Carolina	UTC−05:00 ET	Yes	Eastern
North Dakota	UTC−06:00 CT	Yes	Most of state: UTC−06:00 CST Central Standard Time
North Dakota	UTC−07:00 MT	Yes	West of the Missouri River (except Morton and Oliver counties, and parts of Dunn, McKenzie, and Sioux counties: UTC−07:00 MST Mountain Standard Time
Northern Mariana Islands	UTC+10:00 ChT	No	Chamorro
Ohio	UTC−05:00 ET	Yes	Eastern
Oklahoma	UTC−06:00 CT	Yes	Central (Kenton observes Mountain time on a de facto basis)
Oregon	UTC−07:00 MT	Yes	Northern 80% of Malheur County: UTC−07:00 MST Mountain Standard Time
Oregon	UTC−08:00 PT	Yes	Most of state: UTC−08:00 PST Pacific Standard Time
Pennsylvania	UTC−05:00 ET	Yes	Eastern
Puerto Rico	UTC−04:00 AT	No	Atlantic Standard Time
Rhode Island	UTC−05:00 ET	Yes	Eastern
South Carolina	UTC−05:00 ET	Yes	Eastern
South Dakota	UTC−06:00 CT	Yes	Eastern half of state: UTC−06:00 CST Central Standard Time
South Dakota	UTC−07:00 MT	Yes	Western half of state: UTC−07:00 MST Mountain Standard Time
Tennessee	UTC−05:00 ET	Yes	East Tennessee, except Bledsoe, Cumberland, and Marion Counties: UTC−05:00 EST Eastern Standard Time
Tennessee	UTC−06:00 CT	Yes	Most of state: UTC−06:00 CST Central Standard Time
Texas	UTC−06:00 CT	Yes	Most of state: UTC−06:00 CST Central Standard Time
Texas	UTC−07:00 MT	Yes	El Paso and Hudspeth counties: UTC−07:00 MST Mountain Standard Time
U.S. Minor Outlying Islands	UTC+12:00 UTC−12:00 UTC−11:00 ST UTC−10:00 HT UTC−05:00 ET	No	Wake Island: UTC+12:00 (Wake Island Time Zone) Baker Island and Howland Island: UTC−12:00 Jarvis Island, Kingman Reef, Midway Atoll, and Palmyra Atoll: UTC−11:00 (Samoa Time) Johnston Atoll: UTC−10:00 (Hawaii–Aleutian Time)
Utah	UTC−07:00 MT	Yes	Mountain
Vermont	UTC−05:00 ET	Yes	Eastern
U.S. Virgin Islands	UTC−04:00 AT	No	Atlantic
Virginia	UTC−05:00 ET	Yes	Eastern
Washington	UTC−08:00 PT	Yes	Pacific
West Virginia	UTC−05:00 ET	Yes	Eastern
Wisconsin	UTC−06:00 CT	Yes	Central
Wyoming	UTC−07:00 MT	Yes	Mountain

References

United States Congress (November 2010). Congressional Record, V. 153, PT. 4, February 17, 2007 to March 12, 2007. Washington, D.C.: Government Printing Office. ISBN 9780160869761.

External links

The Official U.S. Time in each time zone
North American Time Zone border data and images
NIST Internet Time Service
US time zones differences
USNO NTP Network Time Servers
U.S. Standard Time Zone map
U.S. cities and towns shown in their respective time zones at Internet Accuracy Project

v t e Time in the United States
States	Alabama Alaska Arizona Arkansas California Colorado Connecticut Delaware Florida Georgia Hawaii Idaho Illinois Indiana Iowa Kansas Kentucky Louisiana Maine Maryland Massachusetts Michigan Minnesota Mississippi Missouri Montana Nebraska Nevada New Hampshire New Jersey New Mexico New York North Carolina North Dakota Ohio Oklahoma Oregon Pennsylvania Rhode Island South Carolina South Dakota Tennessee Texas Utah Vermont Virginia Washington West Virginia Wisconsin Wyoming
Federal district	Washington, D.C.
Territories	American Samoa Guam Northern Mariana Islands Puerto Rico U.S. Virgin Islands
Legislation	Standard Time Act of 1918 Uniform Time Act of 1966 Emergency Daylight Saving Time Energy Conservation Act (1974) Energy Policy Act of 2005 Sunshine Protection Act
Daylight saving time History Permanent time observation

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List of time offsets by U.S. state and territory

States, federal district and territories

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References

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