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List of U.S. states by time zone: Wikis

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

This is a list of United States of America States by time zone. For more about the time zones of the U.S. and other time zones see time in the United States and time zone.

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

States, territories, etc.

State
Time Zone
DST
Details
Alabama UTC-05/6 DST
Alaska UTC-09/10 DST
  • Most of state: UTC-09 AKST Alaska Standard Time
  • Aleutian Islands (west of 169°30' W): UTC-10 HST with DST Hawaii-Aleutian Standard Time
American Samoa UTC-11 No Samoa Standard Time
Arizona UTC-07 MT Part Mountain. Except for the Navajo Nation, Arizona does not observe DST.
Arkansas UTC-06 CT DST Central
California UTC-08 PT DST Pacific
Colorado UTC-07 MT DST Mountain
Connecticut UTC-05 ET DST Eastern
Delaware UTC-05 ET DST Eastern
Florida UTC-05/6 DST
Georgia UTC-05 ET DST Eastern
Guam UTC+10 No Chamorro Standard Time
Hawaii UTC-10 No Hawaiian
Idaho UTC-07/8 DST
  • Most of State: UTC-07 MST Mountain Standard Time (A legislative error in 1966 seems to have moved this area to UTC-6 CST. 15 U.S.C. ch.6, § 264. MST is observed.)
  • Part in: UTC-08 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 CT DST Central
Indiana UTC-05/6 DST
  • Most of state: UTC-05 EST Eastern Standard Time
  • Northwest and southwest corners: UTC-06 CST Central Standard Time
  • See Time in Indiana for more information
Iowa UTC-06 CT DST Central
Kansas UTC-06/7 DST
Kentucky UTC-05/6 DST
  • Eastern half of state: UTC-05 EST Eastern Standard Time
  • Western half of state: UTC-06 CST Central Standard Time
Louisiana UTC-06 CT DST Central
Maine UTC-05 ET DST Eastern
Maryland UTC-05 ET DST Eastern
Massachusetts UTC-05 ET DST Eastern
Michigan UTC-05/6 DST
  • Most of state: UTC-05 EST Eastern Standard Time
  • Upper Peninsula counties bordering on Wisconsin: UTC-06 CST Central Standard Time
Minnesota UTC-06 CT DST Central
Mississippi UTC-06 CT DST Central
Missouri UTC-06 CT DST Central
Montana UTC-07 MT DST Mountain
Nebraska UTC-06/7 DST
  • Most of state: UTC-06 CST Central Standard Time
  • Nebraska Panhandle, counties with Colorado as a western boundary, and the western Sandhills: UTC-07 MST Mountain Standard Time
Nevada UTC-07/8 DST
  • Most of State: UTC-08 PST Pacific Standard Time
  • Jackpot and West Wendover: UTC-07 MST Mountain Standard Time
New Hampshire UTC-05 ET DST Eastern
New Jersey UTC-05 ET DST Eastern
New Mexico UTC-07 MT DST Mountain
New York UTC-05 ET DST Eastern
North Carolina UTC-05 ET DST Eastern
North Dakota UTC-06/7 DST
Northern Mariana Islands UTC+10 No Chamorro Standard Time
Ohio UTC-05 ET DST Eastern
Oklahoma UTC-06 CT DST Central
Oregon UTC-07/8 DST
  • Most of state: UTC-08 PST Pacific Standard Time
  • Northern 4/5 of Malheur County): UTC-07 MST Mountain Standard Time
Pennsylvania UTC-05 ET DST Eastern
Puerto Rico UTC-04 No Atlantic Standard Time Zone
Rhode Island UTC-05 ET DST Eastern
South Carolina UTC-05 ET DST Eastern
South Dakota UTC-06/7 DST
  • Eastern half of state: UTC-06 CST Central Standard Time
  • Western half of state: UTC-07 MST Mountain Standard Time
Tennessee UTC-05/6 DST
Texas UTC-06/7 DST
Utah UTC-07 MT DST Mountain
Vermont UTC-05 ET DST Eastern
Virginia UTC-05 ET DST Eastern
U.S. Virgin Islands UTC-04 No Atlantic
Washington UTC-08 PT DST Pacific
Washington, D.C. UTC-05 ET DST Eastern
West Virginia UTC-05 ET DST Eastern
Wisconsin UTC-06 CT DST Central
Wyoming UTC-07 MT DST Mountain

See also

External links

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Simple English

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.

Contents

Zones

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

StateTime Zone
AlabamaUTC-6: Central Standard Time (CST)
AlaskaMost of the state: UTC-9: Alaska Standard Time (AKST)
Aleutian Islands (west of 169° 30' W): UTC-10: Hawaii-Aleutian Standard Time (HST)
ArizonaUTC-7: Mountain Standard Time (MST)
The Navajo Nation uses Daylight Saving Time (DST), the rest of the state does not
ArkansasUTC-6: Central Standard Time (CST)
CaliforniaUTC-8: Pacific Standard Time (PST)
ColoradoUTC-7: Mountain Standard Time (MST)
ConnecticutUTC-5: Eastern Standard Time (EST)
DelawareUTC-5: Eastern Standard Time (EST)
FloridaMost of the state: UTC-5: Eastern Standard Time (EST)
West of the Apalachicola River: UTC-6: Central Standard Time (CST)
GeorgiaUTC-5: Eastern Standard Time (EST)
HawaiiUTC-10: Hawaii-Aleutian Standard Time (HST)
Hawaii does not use Daylight Saving Time (DST)
IdahoMost of the state: UTC-7: Mountain Standard Time (MST)
North of the Salmon River: UTC-8: Pacific Standard Time (PST)
IllinoisUTC-6: Central Standard Time (CST)
IndianaMost of the state: UTC-5: Eastern Standard Time (EST)
Northwest and southwest corners: UTC-6: Central Standard Time (CST)
IowaUTC-6: Central Standard Time (CST)
KansasMost of the state: UTC-6: Central Standard Time (CST)
Greeley, Hamilton, Sherman and Wallace counties: UTC-7: Mountain Standard Time (MST)
KentuckyWestern half of the state: UTC-6: Central Standard Time (CST)
Eastern half of the state: UTC-5: Eastern Standard Time (EST)
LouisianaUTC-6: Central Standard Time (CST)
MaineUTC-5: Eastern Standard Time (EST)
MarylandUTC-5: Eastern Standard Time (EST)
MassachusettsUTC-5: Eastern Standard Time (EST)
MichiganMost of the state: UTC-5: Eastern Standard Time (EST)
Counties that share a border with Wisconsin: UTC-6: Central Standard Time (CST)
MinnesotaUTC-6: Central Standard Time (CST)
MississippiUTC-6: Central Standard Time (CST)
MissouriUTC-6: Central Standard Time (CST)
MontanaUTC-7: Mountain Standard Time (MST)
NebraskaMost of the state: UTC-6: Central Standard Time (CST)
Western part of the state: UTC-7: Mountain Standard Time (MST)
NevadaMost of the state: UTC-8: Pacific Standard Time (PST)
2 small towns, Jackpot and West Wendover: UTC-7: Mountain Standard Time (MST)
New HampshireUTC-5: Eastern Standard Time (EST)
New JerseyUTC-5: Eastern Standard Time (EST)
New MexicoUTC-7: Mountain Standard Time (MST)
New YorkUTC-5: Eastern Standard Time (EST)
North CarolinaUTC-5: Eastern Standard Time (EST)
North DakotaMost of the state: UTC-6: Central Standard Time (CST)
Southwestern part of the state: UTC-7: Mountain Standard Time (MST)
OhioUTC-5: Eastern Standard Time (EST)
OklahomaUTC-6: Central Standard Time (CST)
OregonMost of the state: UTC-8: Pacific Standard Time (PST)
Part of Malheur County: UTC-7: Mountain Standard Time (MST)
PennsylvaniaUTC-5: Eastern Standard Time (EST)
Rhode IslandUTC-5: Eastern Standard Time (EST)
South CarolinaUTC-5: Eastern Standard Time (EST)
South DakotaEastern half of the state: UTC-6: Central Standard Time (CST)
Western half of the state: UTC-7: Mountain Standard Time (MST)
TennesseeWest Tennessee: UTC-6: Central Standard Time (CST)
Middle Tennessee, plus Marion County: UTC-6: Central Standard Time (CST)
East Tennessee, except Marion County: UTC-5: Eastern Standard Time (EST)
TexasMost of the state: UTC-6: Central Standard Time (CST)
El Paso and Hudspeth counties and part of Culberson County: UTC-7: Mountain Standard Time (MST)
UtahUTC-7: Mountain Standard Time (MST)
VirginiaUTC-5: Eastern Standard Time (EST)
VermontUTC-5: Eastern Standard Time (EST)
WashingtonUTC-8: Pacific Standard Time (PST)
West VirginiaUTC-5: Eastern Standard Time (EST)
WisconsinUTC-6: Central Standard Time (CST)
WyomingUTC-7: Mountain Standard Time (MST)

Territories

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

TerritoryTime zone
American SamoaUTC-11: Samoa Standard Time
GuamUTC+10: Chamorro Standard Time
Northern Mariana IslandsUTC+10: Chamorro Standard Time
Puerto RicoUTC-4: Atlantic Standard Time (ATC)
U.S. Virgin IslandsUTC-4: Atlantic Standard Time (ATC)

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