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

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Kentucky time zones

List of Time Offsets by U.S. State and Territory provides an overview of the time zones used by states and territories in the United States. The United States is divided into several time zones, ranging from the Eastern Standard Time (EST) to the Hawaii-Aleutian Standard Time (HAST). This article lists the standard time offsets from Coordinated Universal Time (UTC) for each state and territory.

Overview

The United States spans nine standard time zones and observes Daylight Saving Time (DST) in many areas, which shifts the clock forward by one hour during the warmer months. The time zones are defined by the United States Code, specifically in the Uniform Time Act. This diversity in time zones is due to the country's vast geographical size, stretching from the Atlantic to the Pacific.

Time Zones and Offsets

Below is a list of time offsets by U.S. state and territory during standard time (not accounting for DST):

Eastern Standard Time (EST) - UTC-5

• Connecticut
• Delaware
• Florida (Most of the state)
• Georgia
• Indiana (Most of the state)
• Kentucky (Eastern portion)
• Maine
• Maryland
• Massachusetts
• Michigan (Except for the western counties of Dickinson, Gogebic, Iron, and Menominee)
• New Hampshire
• New Jersey
• New York
• North Carolina
• Ohio
• Pennsylvania
• Rhode Island
• South Carolina
• Vermont
• Virginia
• West Virginia

Central Standard Time (CST) - UTC-6

• Alabama
• Arkansas
• Florida (Western Panhandle)
• Illinois
• Indiana (Northwestern and southwestern corners)
• Iowa
• Kansas (Most of the state)
• Kentucky (Western portion)
• Louisiana
• Michigan (Counties of Dickinson, Gogebic, Iron, and Menominee)
• Minnesota
• Mississippi
• Missouri
• Nebraska (Eastern portion)
• North Dakota (Eastern portion)
• Oklahoma
• South Dakota (Eastern portion)
• Tennessee (Most of the state)
• Texas (Most of the state)
• Wisconsin

Mountain Standard Time (MST) - UTC-7

• Arizona (Does not observe DST except for the Navajo Nation)
• Colorado
• Idaho (Southern portion)
• Kansas (Four western counties)
• Montana
• Nebraska (Western portion)
• New Mexico
• North Dakota (Southwestern corner)
• Oregon (Eastern portion)
• South Dakota (Western portion)
• Texas (El Paso and Hudspeth counties)
• Utah
• Wyoming

Pacific Standard Time (PST) - UTC-8

• California
• Idaho (Northern portion)
• Nevada
• Oregon (Most of the state)
• Washington

Alaska Standard Time (AKST) - UTC-9

• Alaska (Most of the state)

Hawaii-Aleutian Standard Time (HAST) - UTC-10

• Hawaii
• Alaska (Aleutian Islands)

Exceptions and Special Cases

• American Samoa, Guam, Northern Mariana Islands, Puerto Rico, and the U.S. Virgin Islands do not observe Daylight Saving Time and have their own standard times.
• Indiana and Arizona have unique observances of Daylight Saving Time, with Indiana observing it statewide since 2006, and Arizona not observing it, except for the Navajo Nation.

See Also

• Daylight Saving Time in the United States
• Time in the United States