List of time offsets by U.S. state

Map of U.S. time zones with new CST and EST areas displayed

This is a list of the time offsets by U.S. states. 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, territories, etc.

State	Time Offsets	DST	Details	Map
Alabama	UTC−05:00 ET UTC−06:00 CT	Yes	Most of state: UTC−06:00 CST Central Standard Time Phenix City: UTC−05:00 EST Eastern Standard Time (unofficially)
Alaska	UTC−09:00 UTC−10:00	Yes	Most of state: UTC−09 AKST Alaska Standard Time Aleutian Islands (west of 169°30' W): UTC−10:00 HST with DST Hawaii-Aleutian Standard Time
American Samoa	UTC−11:00	No	Samoa Standard Time
Arizona	UTC−07:00 MT	Part	Mountain. Except for the Navajo Nation, Arizona does not observe DST.
Arkansas	UTC−06:00 CT	Yes	Central
California	UTC−08:00 PT	Yes	Pacific
Colorado	UTC−07:00 MT	Yes	Mountain
Connecticut	UTC−05:00 ET	Yes	Eastern
Delaware	UTC−05:00 ET	Yes	Eastern
District of Columbia	UTC−05:00 ET	Yes	Eastern
Florida	UTC−05:00 ET UTC−06:00 CT	Yes	Most of state: UTC−05:00 EST Eastern Standard Time Florida Panhandle West of the Apalachicola River, except the portions of Franklin and Gulf Counties lying south of the Intracoastal Waterway: UTC−06:00 CST Central Standard Time
Georgia	UTC−05:00 ET	Yes	Eastern
Guam	UTC+10:00	No	Chamorro Standard Time
Hawaii	UTC−10:00	No	Hawaiian
Idaho	UTC−07:00 MT UTC−08:00 PT	Yes	Most of state: UTC−07:00 MST Mountain Standard Time (A legislative error in 1918 in the Calder Act seemingly put this area at UTC−06:00 CST, and was corrected by Congress in 2007.[1] 15 U.S.C. ch. 6, § 264. (MST has been observed since 1918.) Part in: UTC−08:00 PST Pacific Standard Time (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)
Illinois	UTC−06:00 CT	Yes	Central
Indiana	UTC−05:00 ET UTC−06:00 CT	Yes	Most of state: UTC−05:00 EST Eastern Standard Time 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 UTC−07:00 MT	Yes	Most of state: UTC−06:00 CST Central Standard Time Greeley, Hamilton, Sherman and Wallace counties: UTC−07:00 MST Mountain Standard Time
Kentucky	UTC−05:00 ET UTC−06:00 CT	Yes	Eastern half of state: UTC−05:00 EST Eastern Standard Time Western half 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 UTC−06:00 CT	Yes	Most of state: UTC−05:00 EST Eastern Standard Time Upper Peninsula counties bordering on 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 UTC−07:00 MT	Yes	Most of state: UTC−06:00 CST Central Standard Time 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 UTC−08:00 PT	Yes	Most of state: UTC−08:00 PST Pacific Standard Time Jackpot, Jarbidge, Mountain City, and Owyhee in northern Elko County (unofficially) and West Wendover: UTC−07:00 MST Mountain 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 UTC−07:00 MT	Yes	Most of state: UTC−06:00 CST Central Standard Time 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	No	Chamorro Standard Time
Ohio	UTC−05:00 ET	Yes	Eastern
Oklahoma	UTC−06:00 CT	Yes	Central, but Kenton, Oklahoma unofficially uses Mountain
Oregon	UTC−07:00 MT UTC−08:00 PT	Yes	Most of state: UTC−08:00 PST Pacific Standard Time Northern 80% of Malheur County: UTC−07:00 MST Mountain Standard Time
Pennsylvania	UTC−05:00 ET	Yes	Eastern
Puerto Rico	UTC−04:00	No	Atlantic Standard Time Zone
Rhode Island	UTC−05:00 ET	Yes	Eastern
South Carolina	UTC−05:00 ET	Yes	Eastern
South Dakota	UTC−06:00 CT UTC−07:00 MT	Yes	Eastern half of state: UTC−06:00 CST Central Standard Time Western half of state: UTC−07:00 MST Mountain Standard Time
Tennessee	UTC−05:00 ET UTC−06:00 CT	Yes	Most of state: UTC−06:00 CST Central Standard Time East Tennessee, except Marion County: UTC−05:00 EST Eastern Standard Time
Texas	UTC−06:00 CT UTC−07:00 MT	Yes	Most of state: UTC−06:00 CST Central Standard Time El Paso and Hudspeth counties, and part of Culberson County: UTC−07:00 MST Mountain Standard Time
Utah	UTC−07:00 MT	Yes	Mountain
Vermont	UTC−05:00 ET	Yes	Eastern
Virginia	UTC−05:00 ET	Yes	Eastern
U.S. Virgin Islands	UTC−04:00	No	Atlantic
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

See also

• History of time in the United States
• List of time zones
• Time in the United States

References

1. https://books.google.com/books?id=ExHp3NbxB4IC&pg=PA5309

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