USA Time Zones Map - Time Zones of the United States

The United States is divided into six time zones: Alaska time, Pacific time, Central time and Eastern time, Hawaii-Aleutian time, and Mountain time.

USA Time Zones Map

About Map - Map showing Time zones of the 50 states of United States.

U.S. Time Zones

By law, time in the United States (US) and its possessions is divided into nine standard time zones, with most of the United States observing the daylight saving time (DST) for the spring, summer, and fall months.

As of Department of Transportation, the Federal Register and other sources, the United States is divided into six time zones: Alaska time, Pacific time, Central time and Eastern time, Hawaii-Aleutian time, and Mountain time.

These are 15 U.S. States have more than one time zone; Alaska, Arizona, Florida, Idaho, Indiana, Kansas, Kentucky, Michigan, Nebraska, Nevada, North Dakota, Oregon, South Dakota, Tennessee and Texas.

There are nine common time zones in the US. They are Atlantic Standard Time (AST), Eastern Standard Time (EST), Central Standard Time (CST), Mountain Standard Time (MST), Pacific Standard Time (PST), Alaskan Standard Time (AKST), Hawaii-Aleutian Standard Time (HST), Samoan Standard Time (UTC-11), and Chamorro Standard Time (UTC+10) and these are the times that are observed in order from east to west. View the borders of the common time zones.

The states that fall under Eastern Standard Time of USA Time Zone are Connecticut, Delaware, District of Columbia, Georgia, Maine, Maryland, Massachusetts, New Hampshire, New Jersey, New York, North Carolina, Ohio, Pennsylvania, Rhode Island, South Carolina, Vermont, Virginia, West Virginia; Florida, Indiana, Kentucky, Michigan and Tennessee. The states, which follow USA Time Zone of Central Standard Time (CST), are Alabama, Arkansas, Illinois, Indiana, Kansas, Kentucky, Michigan, Nebraska, North Dakota, South Dakota, Tennessee, Texas, Iowa, Louisiana, Minnesota, Mississippi, Missouri, Oklahoma, and Wisconsin.

States like Arizona, Colorado, Montana, New Mexico, Utah, and Wyoming, Idaho, Kansas, Nebraska, North Dakota, Oregon, South Dakota, and Texas fall under the USA Time Zone of Mountain Standard Time. The USA Time Zone of Pacific Standard Time is followed by California, Nevada, Washington (state); partially: Idaho, Oregon. Most of the population live in the USA Time Zone of EST. Around 47.6% of people live in EST of the USA Time Zone. In the USA Time Zone of CST, 29.1% of people stay. In MST, 6.7% and PST 16.6% of people live in those USA Time Zones.

The UTC-12:00 time zone is the only one that is entirely unpopulated. It solely includes the two uninhabited islands of Baker Island and Howland Island (owned by US).

U.S. Daylight Saving Time

Daylight Saving Time (DST) is the practice of setting the clocks forward by one hour in the spring and set clocks back by one hour in autumn. Most of the United States begins Daylight Saving Time at 2 a.m. on the second Sunday in March and ends at 2 a.m. on the first Sunday in November. Two states don't observe daylight saving time, Arizona and Hawaii.

List of Time Zones of the United States

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