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

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 and territories, and the District of Columbia. 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
 AlabamaUTC−06:00 CTYesCentral Standard Time (Phenix City observes Eastern time on a de facto basis)
 Alaska UTC−09:00 AKT Yes Most of state: UTC−09 AKST Alaska Standard Time
UTC−10:00 HT Aleutian Islands (west of 169°30' W): UTC−10:00 HST Hawaii-Aleutian Standard Time
 American SamoaUTC−11:00 STNoSamoa Standard Time
 Arizona UTC−07:00 MT Part Mountain Standard Time. Except for the Navajo Nation, Arizona does not observe DST.
Baker IslandUTC−12:00NoInternational Date Line West
 ArkansasUTC−06:00 CTYesCentral
 CaliforniaUTC−08:00 PTYesPacific Standard Time
 ColoradoUTC−07:00 MTYesMountain
 ConnecticutUTC−05:00 ETYesEastern Standard Time
 DelawareUTC−05:00 ETYesEastern
 District of ColumbiaUTC−05:00 ETYesEastern
 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
UTC−06:00 CT 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 (U.S. state) GeorgiaUTC−05:00 ETYesEastern
 GuamUTC+10:00 ChTNoChamorro Standard Time
 HawaiiUTC−10:00 HTNoHawaii-Aleutian
Howland IslandUTC−12:00NoInternational Date Line West
 Idaho UTC−07:00 MT 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.)
UTC−08:00 PT 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
 IllinoisUTC−06:00 CTYesCentral
 Indiana UTC−05:00 ET Yes Most of state: UTC−05:00 EST Eastern Standard Time
UTC−06:00 CT Northwest and southwest corners: UTC−06:00 CST Central Standard Time (See Time in Indiana for more information)
 IowaUTC−06:00 CTYesCentral
Jarvis IslandUTC−11:00 STNoSamoa
 Johnston AtollUTC−10:00 HTNoHawaii-Aleutian
 Kansas UTC−06:00 CT Yes Most of state: UTC−06:00 CST Central Standard Time
UTC−07:00 MT 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
UTC−06:00 CT Western 40% of state: UTC−06:00 CST Central Standard Time
Kingman ReefUTC−11:00 STNoSamoa
 LouisianaUTC−06:00 CTYesCentral
 MaineUTC−05:00 ETYesEastern
 MarylandUTC−05:00 ETYesEastern
 MassachusettsUTC−05:00 ETYesEastern
 Michigan UTC−05:00 ET Yes Most of state: UTC−05:00 EST Eastern Standard Time
UTC−06:00 CT Upper Peninsula counties bordering Wisconsin: UTC−06:00 CST Central Standard Time
 Midway AtollUTC−11:00 STNoSamoa
 MinnesotaUTC−06:00 CTYesCentral
 MississippiUTC−06:00 CTYesCentral
 MissouriUTC−06:00 CTYesCentral
 MontanaUTC−07:00 MTYesMountain
 Navassa IslandUTC−04:00 ATNoAtlantic
 Nebraska UTC−06:00 CT Yes Most of state: UTC−06:00 CST Central Standard Time
UTC−07:00 MT 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
UTC−08:00 PT Most of state: UTC−08:00 PST Pacific Standard Time
 New HampshireUTC−05:00 ETYesEastern
 New JerseyUTC−05:00 ETYesEastern
 New MexicoUTC−07:00 MTYesMountain
New York (state) New YorkUTC−05:00 ETYesEastern
 North CarolinaUTC−05:00 ETYesEastern
  North Dakota UTC−06:00 CT Yes Most of state: UTC−06:00 CST Central Standard Time
UTC−07:00 MT 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 Northern Mariana IslandsUTC+10:00 ChTNoChamorro
 OhioUTC−05:00 ETYesEastern
 OklahomaUTC−06:00 CTYesCentral (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
UTC−08:00 PT Most of state: UTC−08:00 PST Pacific Standard Time
 Palmyra AtollUTC−11:00 STNoSamoa
 PennsylvaniaUTC−05:00 ETYesEastern
 Puerto RicoUTC−04:00 ATNoAtlantic Standard Time
 Rhode IslandUTC−05:00 ETYesEastern
 South CarolinaUTC−05:00 ETYesEastern
 South Dakota UTC−06:00 CT Yes Eastern half of state: UTC−06:00 CST Central Standard Time
UTC−07:00 MT 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
UTC−06:00 CT 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
UTC−07:00 MT El Paso and Hudspeth counties: UTC−07:00 MST Mountain Standard Time
 UtahUTC−07:00 MTYesMountain
 VermontUTC−05:00 ETYesEastern
United States Virgin Islands Virgin Islands (U.S.)UTC−04:00 ATNoAtlantic
 VirginiaUTC−05:00 ETYesEastern
 Wake IslandUTC+12:00NoWake Island Time Zone
Washington (state) WashingtonUTC−08:00 PTYesPacific
 West VirginiaUTC−05:00 ETYesEastern
 WisconsinUTC−06:00 CTYesCentral
 WyomingUTC−07:00 MTYesMountain

See also

References

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