Time Zones in the USA, Daylight Saving Time (Summertime)

Time zones in the United States of America

There are six time zones in the USA altogether. In the following tables you can find the state and the appropriate time zone. There are states that lie in two zones (e.g. Florida). The times in the table are based on Greenwich Mean Time (GMT) 12.00 pm. We set the clocks back, when we go west.

Time Zone
Abbreviation
States
GMT = 12.00 pm

Eastern Standard Time
EST
Connecticut, Delaware Georgia, Maine, Maryland, Massachusetts, Michigan, New Hampshire, New Jersey, New York, North Carolina, Ohio, Pennsylvania, Rhode Island, South Carolina, Vermont, Virginia, Washington DC, West Virginia
07:00 am

Central Standard Time
CST
Alabama, Arkansas, Illinois, Iowa, Louisiana, Michigan (Upper Peninsula), Minnesota, Mississippi, Missouri, Nebraska, Oklahoma, Wisconsin
06:00 am

Mountain Standard Time
MST
Arizona, Colorado, Montana, New Mexico, Utah, Wyoming
05:00 am

Pacific Standard Time
PST
California, Nevada, Washington
04:00 am

Alaska Standard Time
AKST
main part of Alaska (Anchorage, Juneau, Nome)
03:00 am

Yukon Standard Time
YST

Alaska-Hawaii Standard Time
AHST
Aleutian islands (west of Alaska), Hawaii
02:00 am

The following states lie in two time zones:

Time Zone
States

Eastern Standard Time and Central Standard Time
Florida, Indiana, Kentucky, Tennessee

Central Standard Time and Mountain Standard Time
Kansas, Nebraska, North Dakota, South Dakota, Texas

Mountain Standard Time and Pacific Standard Time
Idaho, Oregon

Daylight saving time (Summertime) in the USA

The summertime (daylight saving time) in den USA starts on the second Sunday in March and ends on the first Sunday in November. This has been used since 2007.