Daylight Saving Time ends on Sunday, November 6, 2011.

Beginning in 2007, most of the United States begins Daylight Saving Time at 2:00 a.m. on the second Sunday in March and reverts to standard time on the first Sunday in November. In the U.S., each time zone switches at a different time.

2012: March 11 To November 4
2013: March 10 To November 3

Learn More About Daylight Saving Time

Synchronize your clock with the Official U. S. Time

Other Time Related Subjects:

• Calendars through the Ages
• The History of Time Keeping
• Illustrated Clockworks
• It's About Time
• What is an atomic clock and how does it work?
• How Digital Clocks Work
• How Pendulum Clocks Work
• How Time Works
• Relativity: The Special and General Theory by Albert Einstein
• Animated Clock