List of time zones 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 Zone	DST	Details
Alabama	UTC−05:00 ET UTC−06:00 CT	DST	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	DST	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	DST	Central
California	UTC−08:00 PT	DST	Pacific
Colorado	UTC−07:00 MT	DST	Mountain
Connecticut	UTC−05:00 ET	DST	Eastern
Delaware	UTC−05:00 ET	DST	Eastern
Florida	UTC−05:00 ET UTC−06:00 CT	DST	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	DST	Eastern
Guam	UTC+10:00	No	Chamorro Standard Time
Hawaii	UTC−10:00	No	Hawaiian
Idaho	UTC−07:00 MT UTC−08:00 PT	DST	Most of state: UTC−07:00 MST Mountain Standard Time (A legislative error in 1966 seems to have moved this area to UTC−06:00 CST. 15 U.S.C. ch.6, § 264. MST is observed.) 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	DST	Central
Indiana	UTC−05:00 ET UTC−06:00 CT	DST	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	DST	Central
Kansas	UTC−06:00 CT UTC−07:00 MT	DST	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	DST	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	DST	Central
Maine	UTC−05:00 ET	DST	Eastern
Maryland	UTC−05:00 ET	DST	Eastern
Massachusetts	UTC−05:00 ET	DST	Eastern
Michigan	UTC−05:00 ET UTC−06:00 CT	DST	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	DST	Central
Mississippi	UTC−06:00 CT	DST	Central
Missouri	UTC−06:00 CT	DST	Central
Montana	UTC−07:00 MT	DST	Mountain
Nebraska	UTC−06:00 CT UTC−07:00 MT	DST	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	DST	Most of state: UTC−08:00 PST Pacific Standard Time Jackpot and West Wendover: UTC−07:00 MST Mountain Standard Time
New Hampshire	UTC−05:00 ET	DST	Eastern
New Jersey	UTC−05:00 ET	DST	Eastern
New Mexico	UTC−07:00 MT	DST	Mountain
New York	UTC−05:00 ET	DST	Eastern
North Carolina	UTC−05:00 ET	DST	Eastern
North Dakota	UTC−06:00 CT UTC−07:00 MT	DST	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	DST	Eastern
Oklahoma	UTC−06:00 CT	DST	Central
Oregon	UTC−07:00 MT UTC−08:00 PT	DST	Most of state: UTC−08:00 PST Pacific Standard Time Northern 4⁄5 of Malheur County): UTC−07:00 MST Mountain Standard Time
Pennsylvania	UTC−05:00 ET	DST	Eastern
Puerto Rico	UTC−04:00	No	Atlantic Standard Time Zone
Rhode Island	UTC−05:00 ET	DST	Eastern
South Carolina	UTC−05:00 ET	DST	Eastern
South Dakota	UTC−06:00 CT UTC−07:00 MT	DST	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	DST	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	DST	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	DST	Mountain
Vermont	UTC−05:00 ET	DST	Eastern
Virginia	UTC−05:00 ET	DST	Eastern
U.S. Virgin Islands	UTC−04:00	No	Atlantic
Washington	UTC−08:00 PT	DST	Pacific
Washington, D.C.	UTC−05:00 ET	DST	Eastern
West Virginia	UTC−05:00 ET	DST	Eastern
Wisconsin	UTC−06:00 CT	DST	Central
Wyoming	UTC−07:00 MT	DST	Mountain

See also

• History of time in the United States
• List of time zones
• Time in the United States

External links

• The Official U.S. Time in each time zone
• North American Time Zone border data and images
• NIST Internet Time Service
• US time zones differences
• USNO NTP Network Time Servers
• U.S. Standard Time Zone map
• U.S. cities and towns shown in their respective time zones at Internet Accuracy Project
• Lookup US timezone offset by latitude, longitude and datetime - web service