Daylight Saving Time in the United States

In the United States 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. When Daylight Saving Time begins turn your clocks ahead one hour. At the end of Daylight Saving Time turn your clocks back one hour.

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.

In the United States, Under the Uniform Time Act, the Department of Transportation is in charge of time zones in the United States and ensuring that jurisdictions observing Daylight Saving Time begin and end on the same date.

On Monday August 8, 2005 President Bush signed into law a broad energy bill that extended Daylight Saving Time by four weeks beginning in 2007. Since 1986 the United States had observed Daylight Saving Time from the first Sunday in April through the last Sunday in October. The provisions of the bill call for Daylight Saving Time to begin three weeks earlier on the second Sunday in March and end on the first Sunday in November. Read our special section about the extension of Daylight Saving Time.

New! Ten Mexico municipalities which border the United States have adopted daylight saving time schedules to be consistent with the United States. This will help faciliate trade and commerce between the two countries. Read more.

 

United States Daylight Saving Time Start and End Dates

Year DST Begins at 2 a.m. DST Ends at 2 a.m.
2009 March 08 November 1
2010 March 14 November 7
2011 March 13 November 6
2012 March 11 November 4
2013 March 10 November 3
2014 March 09 November 2
2015 March 08 November 1
2016 March 13 November 6
2017 March 12 November 5
2018 March 11 November 4

 



All dates are shown in the format: month/day/year
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