List of U.S. states by time zone
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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.
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[change] 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
[change] States
| State | Time Zone |
|---|---|
| Alabama | UTC-6: Central Standard Time (CST) |
| Alaska | Most of the state: UTC-9: Alaska Standard Time (AKST) |
| Aleutian Islands (west of 169° 30' W): UTC-10: Hawaii-Aleutian Standard Time (HST) | |
| Arizona | UTC-7: Mountain Standard Time (MST) |
| The Navajo Nation uses Daylight Saving Time (DST), the rest of the state does not | |
| Arkansas | UTC-6: Central Standard Time (CST) |
| California | UTC-8: Pacific Standard Time (PST) |
| Colorado | UTC-7: Mountain Standard Time (MST) |
| Connecticut | UTC-5: Eastern Standard Time (EST) |
| Delaware | UTC-5: Eastern Standard Time (EST) |
| Florida | Most of the state: UTC-5: Eastern Standard Time (EST) |
| West of the Apalachicola River: UTC-6: Central Standard Time (CST) | |
| Georgia | UTC-5: Eastern Standard Time (EST) |
| Hawaii | UTC-10: Hawaii-Aleutian Standard Time (HST) |
| Hawaii does not use Daylight Saving Time (DST) | |
| Idaho | Most of the state: UTC-7: Mountain Standard Time (MST) |
| North of the Salmon River: UTC-8: Pacific Standard Time (PST) | |
| Illinois | UTC-6: Central Standard Time (CST) |
| Indiana | Most of the state: UTC-5: Eastern Standard Time (EST) |
| Northwest and southwest corners: UTC-6: Central Standard Time (CST) | |
| Iowa | UTC-6: Central Standard Time (CST) |
| Kansas | Most of the state: UTC-6: Central Standard Time (CST) |
| Greeley, Hamilton, Sherman and Wallace counties: UTC-7: Mountain Standard Time (MST) | |
| Kentucky | Western half of the state: UTC-6: Central Standard Time (CST) |
| Eastern half of the state: UTC-5: Eastern Standard Time (EST) | |
| Louisiana | UTC-6: Central Standard Time (CST) |
| Maine | UTC-5: Eastern Standard Time (EST) |
| Maryland | UTC-5: Eastern Standard Time (EST) |
| Massachusetts | UTC-5: Eastern Standard Time (EST) |
| Michigan | Most of the state: UTC-5: Eastern Standard Time (EST) |
| Counties that share a border with Wisconsin: UTC-6: Central Standard Time (CST) | |
| Minnesota | UTC-6: Central Standard Time (CST) |
| Mississippi | UTC-6: Central Standard Time (CST) |
| Missouri | UTC-6: Central Standard Time (CST) |
| Montana | UTC-7: Mountain Standard Time (MST) |
| Nebraska | Most of the state: UTC-6: Central Standard Time (CST) |
| Western part of the state: UTC-7: Mountain Standard Time (MST) | |
| Nevada | Most of the state: UTC-8: Pacific Standard Time (PST) |
| 2 small towns, Jackpot and West Wendover: UTC-7: Mountain Standard Time (MST) | |
| New Hampshire | UTC-5: Eastern Standard Time (EST) |
| New Jersey | UTC-5: Eastern Standard Time (EST) |
| New Mexico | UTC-7: Mountain Standard Time (MST) |
| New York | UTC-5: Eastern Standard Time (EST) |
| North Carolina | UTC-5: Eastern Standard Time (EST) |
| North Dakota | Most of the state: UTC-6: Central Standard Time (CST) |
| Southwestern part of the state: UTC-7: Mountain Standard Time (MST) | |
| Ohio | UTC-5: Eastern Standard Time (EST) |
| Oklahoma | UTC-6: Central Standard Time (CST) |
| Oregon | Most of the state: UTC-8: Pacific Standard Time (PST) |
| Part of Malheur County: UTC-7: Mountain Standard Time (MST) | |
| Pennsylvania | UTC-5: Eastern Standard Time (EST) |
| Rhode Island | UTC-5: Eastern Standard Time (EST) |
| South Carolina | UTC-5: Eastern Standard Time (EST) |
| South Dakota | Western half of the state: UTC-6: Central Standard Time (CST) |
| Eastern half of the state: UTC-7: Mountain Standard Time (MST) | |
| Tennessee | West 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) | |
| Texas | Most 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) | |
| Utah | UTC-7: Mountain Standard Time (MST) |
| Virginia | UTC-5: Eastern Standard Time (EST) |
| Vermont | UTC-5: Eastern Standard Time (EST) |
| Washington | UTC-8: Pacific Standard Time (PST) |
| West Virginia | UTC-5: Eastern Standard Time (EST) |
| Wisconsin | UTC-6: Central Standard Time (CST) |
| Wyoming | UTC-7: Mountain Standard Time (MST) |
[change] Territories
The territories of the United States do not use Daylight Savings Time (DST)
| Territory | Time zone |
|---|---|
| American Samoa | UTC-11: Samoa Standard Time |
| Guam | UTC+10: Chamorro Standard Time |
| Northern Mariana Islands | UTC+10: Chamorro Standard Time |
| Puerto Rico | UTC-4: Atlantic Standard Time (ATC) |
| U.S. Virgin Islands | UTC-4: Atlantic Standard Time (ATC) |
[change] Other websites
- http://www.time.gov official time zone site of the U.S.A. government
