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 time zones 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
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
Washington, D.C. UTC−05:00 ET Yes Eastern
West Virginia UTC−05:00 ET Yes Eastern
Wisconsin UTC−06:00 CT Yes Central
Wyoming UTC−07:00 MT Yes Mountain

See also

References

  1. ↑ http://books.google.com/books?id=ExHp3NbxB4IC&pg=PA5309&lpg=PA5309&dq=2007+idaho+time+zone+amendment&source=bl&ots=03Qv0jVhC8&sig=hMc-VHVWxW9ne_gZeW4p8CIpQBA&hl=en&sa=X&ei=WCe1U_-_Ku3BiwK8m4DIDg&ved=0CEUQ6AEwBQ#v=onepage&q=2007%20idaho%20time%20zone%20amendment&f=false

External links