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WASHINGTON (AP) — A sure sign that spring's on the horizon: One hour less shut-eye Saturday night no matter when you turn out the lights.
Most people in the U.S. are supposed to push the clock forward by 60 minutes before heading to bed Saturday night. Daylight saving time officially begins at 2 a.m. Sunday local time.
You may have lost a bit of sleep, but in the months ahead you'll gain an extra hour of sunlight in the evenings.
It's also a good time to replace batteries in warning devices such as smoke detectors.
The time change isn't observed by Hawaii, most of Arizona, Puerto Rico, the Virgin Islands, American Samoa, Guam and the Northern Marianas.
Daylight saving time ends Nov. 1.
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Online:
National Institute of Standards and Technology: http://www.nist.gov/pml/div688/dst.cfm
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