When do we turn the clocks back?


Quick Answer

Most Americans turn back the clock 1 hour on the first Sunday in November each year, and the official change happens at 2 a.m. This date marks the beginning of Standard Time and the end of Daylight Saving Time, which begins on the second Sunday of March.

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Full Answer

Hawaii, Puerto Rico, the U.S. Virgin Islands and most cities in Arizona do not observe Daylight Saving Time, so no adjustment is needed in the fall in those locations. Daylight Saving Time, originally introduced during World War I, was implemented to allow businesses and individuals to save energy by working during longer daylight hours.

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