Different Time Zones in US

 

Time Zones in US

The United States uses 4 standard time zones.

Ø  Eastern Standard Time (EST)

Ø  Central Standard Time (CST)

Ø  Mountain Standard Time (MST)

Ø  Pacific Standard Time (PST)

Each time zone has a difference of 1 hour between them.

Daylight Saving Time begins at 2:00 a.m. local time on the second Sunday in March. On the first Sunday in November areas on Daylight Saving Time return to Standard Time at 2:00 a.m. The names in each time zone change along with Daylight Saving Time. Eastern Standard Time (EST) becomes Eastern Daylight Time (EDT), and so forth. Arizona, Puerto Rico, Hawaii, U.S. Virgin Islands and American Samoa do not observe Daylight Saving Time.