This is List of Time Zones in the United States, There are 12 time zones in the USA and its dependencies.
Time Zones in the United States
About Map - Map showing Time zones of the 50 states of United States.
There are 12 time zones by law in the USA including states, and territories and other US possessions. However, the time zones of 2 uninhabited US territories, Howland Island and Baker Island brings the total count to 11 time zones. United States observing the daylight saving time (DST) for the spring, summer, and fall months.
List of Time Zones in the United States
| Time Zone | DST | Standard | States |
|---|---|---|---|
| Eastern Time Zone | UTC−04:00 | UTC−05:00 | 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, Tennessee |
| Central Time Zone | UTC−05:00 | UTC−06:00 | Alabama, Arkansas, Illinois, Iowa, Louisiana, Minnesota, Mississippi, Missouri, Oklahoma, Wisconsin; Florida, Indiana, Kansas, Kentucky, Michigan, Nebraska, North Dakota, South Dakota, Tennessee, Texas |
| Mountain Time Zone | UTC−06:00 | UTC−07:00 | Arizona (no DST), Colorado, Montana, New Mexico, Utah, Wyoming; Partially: Idaho, Kansas, Nebraska, North Dakota, Oregon, South Dakota, Texas |
| Pacific Time Zone | UTC−07:00 | UTC−08:00 | California, Nevada, Washington (state); Partially: Idaho, Oregon |
| Alaska Time Zone | UTC−08:00 | UTC−09:00 | Partially: Alaska |
| Hawaii-Aleutian | UTC−09:00 | UTC−10:00 | Hawaii |
| American Samoa | NA | UTC−11:00 | American Samoa |
| NA | UTC−12:00 | Baker Island, Howland Island | |
| NA | UTC+12:00 | Wake Island | |
| Atlantic Time Zone | NA | UTC−04:00 | Puerto Rico, U.S. Virgin Islands |
| Chamorro | NA | UTC+10:00 | Guam, Northern Mariana Islands |