List of U.S. states and territories by time zone

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This is a list of U.S. states (and the one federal district, Washington, D.C.) and territories showing their time zones.

Map of U.S. time zones

Most of the United States uses Daylight Saving Time (DST) in the summer. In the list, it will say if the state 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.

These are the times zones that are used by the United States and its territories:

  1. UTC-11: Samoa Standard Time (ST)
  2. UTC-10: Hawaii-Aleutian Standard Time (HAT)
  3. UTC-9: Alaska Standard Time (AKT)
  4. UTC−8: Pacific Standard Time (PT)
  5. UTC−7: Mountain Standard Time (MT)
  6. UTC−6: Central Standard Time (CT)
  7. UTC−5: Eastern Standard Time (ET)
  8. UTC−4: Atlantic Standard Time (AST)
  9. UTC+10: Chamorro Standard Time (Cht)

State

StateTime Zone DetailsTime ZoneUTC Offsets
Alabama (AL)Central Standard TimeCSTUTC−06:00
Alaska (AK) (Multiple Time Zones)Most of the state: Alaska Standard TimeAKSTUTC−09:00
Alaska (AK) (Multiple Time Zones)Western Aleutian Islands: Hawaii–Aleutian Standard TimeHSTUTC−10:00
American SamoaSamoa TimeSSTUTC−11:00
Arizona (AZ)Mountain Standard TimeMSTUTC−07:00
Arizona (AZ)The Navajo Nation uses Daylight Saving Time, the rest of the state does notDSTN/A
Arkansas (AR)Central Standard TimeCSTUTC−06:00
California (CA)Pacific Standard TimePSTUTC−08:00
Colorado (CO)Mountain Standard TimeMSTUTC−07:00
Connecticut (CT)Eastern Standard TimeESTUTC−05:00
Delaware (DE)Eastern Standard TimeESTUTC−05:00
District of Columbia (DC)Eastern Standard TimeESTUTC−05:00
Florida (FL) (Multiple Time Zones)Most of the state: Eastern Standard TimeESTUTC−05:00
Florida (FL) (Multiple Time Zones)West of the Apalachicola River: Central Standard TimeCSTUTC−06:00
Georgia (GA)Eastern Standard TimeESTUTC−05:00
Guam (GU)Chamorro Standard TimeChSTUTC+10:00
Guam (GU)Guam does not use Daylight Saving TimeDSTN/A
Hawaii (HI)Hawaii-Aleutian Standard TimeHSTUTC−10:00
Hawaii (HI)Hawaii does not use Daylight Saving TimeDSTN/A
Idaho (ID) (Multiple Time Zones)Most of the state: Mountain Standard TimeMSTUTC−07:00
Idaho (ID) (Multiple Time Zones)North of the Salmon River: Pacific Standard TimePSTUTC−08:00
Illinois (IL)Central Standard TimeCSTUTC−06:00
Indiana (IN) (Multiple Time Zones)Most of the state: Eastern Standard TimeESTUTC−05:00
Indiana (IN) (Multiple Time Zones)Western part of the state: Central Standard TimeCSTUTC−06:00
Iowa (IA)Central Standard TimeCSTUTC−06:00
Kansas (KS) (Multiple Time Zones)Most of the state: Central Standard TimeCSTUTC−06:00
Kansas (KS) (Multiple Time Zones)Greeley, Hamilton, Sherman and Wallace counties: Mountain Standard TimeMSTUTC−07:00
Kentucky (KY) (Multiple Time Zones)Western half of the state: Central Standard TimeCSTUTC−06:00
Kentucky (KY) (Multiple Time Zones)Eastern half of the state: Eastern Standard TimeESTUTC−05:00
Louisiana (LA)Central Standard TimeCSTUTC−06:00
Maine (ME)Eastern Standard TimeESTUTC−05:00
Maryland (MD)Eastern Standard TimeESTUTC−05:00
Massachusetts (MA)Eastern Standard TimeESTUTC−05:00
Michigan (MI) (Multiple Time Zones)Most of the state: Eastern Standard TimeESTUTC−05:00
Michigan (MI) (Multiple Time Zones)Gogebic, Iron, Dickinson, and Menominee counties: Central Standard TimeCSTUTC−06:00
Minnesota (MN)Central Standard TimeCSTUTC−06:00
Mississippi (MS)Central Standard TimeCSTUTC−06:00
Missouri (MO)Central Standard TimeCSTUTC−06:00
Montana (MT)Mountain Standard TimeMSTUTC−07:00
Nebraska (NE) (Multiple Time Zones)Most of the state: Central Standard TimeCSTUTC−06:00
Nebraska (NE) (Multiple Time Zones)Western part of the state: Mountain Standard TimeMSTUTC−07:00
Nevada (NV) (Multiple Time Zones)Most of the state: Pacific Standard TimePSTUTC−08:00
Nevada (NV) (Multiple Time Zones)West Wendover: Mountain Standard TimeMSTUTC−07:00
New Hampshire (NH)Eastern Standard TimeESTUTC−05:00
New Jersey (NJ)Eastern Standard TimeESTUTC−05:00
New Mexico (NM)Mountain Standard TimeMSTUTC−07:00
New York (NY)Eastern Standard TimeESTUTC−05:00
North Carolina (NC)Eastern Standard TimeESTUTC−05:00
North Dakota (ND) (Multiple Time Zones)Most of the state: Central Standard TimeCSTUTC−06:00
North Dakota (ND) (Multiple Time Zones)Western North Dakota: Mountain Standard TimeMSTUTC−07:00
Northern Mariana Islands (MP)Chamorro Standard TimeChSTUTC+10:00
Northern Mariana Islands (MP)The CNMI does not use Daylight Saving TimeDSTN/A
Ohio (OH)Eastern Standard TimeESTUTC−05:00
Oklahoma (OK)Central Standard TimeCSTUTC−06:00
Oregon (OR) (Multiple Time Zones)Most of the state: Pacific Standard TimePSTUTC−08:00
Oregon (OR) (Multiple Time Zones)Part of Malheur County: Mountain Standard TimeMSTUTC−07:00
Pennsylvania (PA)Eastern Standard TimeESTUTC−05:00
Puerto Rico (PR)Atlantic Standard TimeASTUTC−04:00
Puerto Rico (PR)Puerto Rico does not use Daylight Saving TimeDSTN/A
Rhode Island (RI)Eastern Standard TimeESTUTC−05:00
South Carolina (SC)Eastern Standard TimeESTUTC−05:00
South Dakota (SD) (Multiple Time Zones)Eastern South Dakota: Central Standard TimeCSTUTC−06:00
South Dakota (SD) (Multiple Time Zones)Western South Dakota: Mountain Standard TimeMSTUTC−07:00
Tennessee (TN) (Multiple Time Zones)West Tennessee: Central Standard TimeCSTUTC−06:00
Tennessee (TN) (Multiple Time Zones)East Tennessee, except Marion County: Eastern Standard TimeESTUTC−05:00
Texas (TX) (Multiple Time Zones)Most of the state: Central Standard TimeCSTUTC−06:00
Texas (TX) (Multiple Time Zones)El Paso and Hudspeth Counties: Mountain Standard TimeMSTUTC−07:00
United States Virgin Islands (USVI)Atlantic Standard TimeASTUTC−04:00
United States Virgin Islands (USVI)The USVI does not use Daylight Saving TimeDSTN/A
Utah (UT)Mountain Standard TimeMSTUTC−07:00
Vermont (VT)Eastern Standard TimeESTUTC−05:00
Virginia (VA)Eastern Standard TimeESTUTC−05:00
Washington (WA)Pacific Standard TimePSTUTC−08:00
West Virginia (WV)Eastern Standard TimeESTUTC−05:00
Wisconsin (WI)Central Standard TimeCSTUTC−06:00
Wyoming (WY)Mountain Standard TimeMSTUTC−07:00

Federal district

Washington, D.C. does use Daylight Saving Time (DST).

Federal districtTime Zone DetailsTime ZoneUTC Offsets
Washington, D.C.Observes Daylight Saving TimeESTUTC−05:00

Territories

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

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