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.