Lose hour of sleep, gain hour of evening light for months
WASHINGTON (AP) - Lose an hour of sleep this weekend, gain an hour of evening light for months ahead: Daylight saving time is back.
Set those clocks 60 minutes ahead before you hit the hay Saturday night. The time change officially starts Sunday at 2 a.m. local time.
Consider putting in new batteries in warning devices such as smoke detectors and radios - and repeat the exercise when standard time returns Nov. 6.
The time change is not observed in Hawaii, most of Arizona, Puerto Rico, the Virgin Islands, American Samoa, Guam and the Northern Marianas.
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Online:
National Institute of Standards and Technology: http://www.nist.gov/pml/div688/dst.cfm
Tom Liberatore, a materials purchasing manager, walks past clocks being tested prior to shipping at the Electric Time Company in Medfield, Mass., Thursday, March 10, 2016. Most Americans will lose an hour of sleep this weekend, but gain an hour of evening light for months ahead, as Daylight Saving Time returns this weekend. The time change officially starts Sunday at 2 a.m. local time. (AP Photo/Charles Krupa)
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Craftsman James Simonize checks the spin of a cog while assembling a movement for a clock at the Electric Time Company in Medfield, Mass., Thursday, March 10, 2016. Most Americans will lose an hour of sleep this weekend, but gain an hour of evening light for months ahead, as Daylight Saving Time returns this weekend. The time change officially starts Sunday at 2 a.m. local time. (AP Photo/Charles Krupa)
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Clockmaker Jim Gogolowski crafts the frame of a giant clock at the Electric Time Company in Medfield, Mass., Thursday, March 10, 2016. Most Americans will lose an hour of sleep this weekend, but gain an hour of evening light for months ahead, as Daylight Saving Time returns this weekend. The time change officially starts Sunday at 2 a.m. local time. (AP Photo/Charles Krupa)
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Tyler Eisner, an engineer at the Electric Time Company, works on switching the movement from gravity fed to electrically fed on a historic clock from the Silk Building in New York City, at the clockmaker's headquarters in Medfield, Mass., Thursday, March 10, 2016. Most Americans will lose an hour of sleep this weekend, but gain an hour of evening light for months ahead, as Daylight Saving Time returns this weekend. The time change officially starts Sunday at 2 a.m. local time. (AP Photo/Charles Krupa)
The Associated Press
A collection of antique clocks are displayed in the lobby at the Electric Time Company in Medfield, Mass., Thursday, March 10, 2016. Most Americans will lose an hour of sleep this weekend, but gain an hour of evening light for months ahead, as Daylight Saving Time returns this weekend. The time change officially starts Sunday at 2 a.m. local time. (AP Photo/Charles Krupa)
The Associated Press
A waterjet machine cuts clock hands at the Electric Time Company in Medfield, Mass., Thursday, March 10, 2016. Most Americans will lose an hour of sleep this weekend, but gain an hour of evening light for months ahead, as Daylight Saving Time returns this weekend. The time change officially starts Sunday at 2 a.m. local time. (AP Photo/Charles Krupa)
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Frank Taylor holds up a clock hour hand, milled on a waterjet cutting machine, at the Electric Time Company in Medfield, Mass., Thursday, March 10, 2016. Most Americans will lose an hour of sleep this weekend, but gain an hour of evening light for months ahead, as Daylight Saving Time returns this weekend. The time change officially starts Sunday at 2 a.m. local time. (AP Photo/Charles Krupa)
The Associated Press
Two six-foot-tall clocks, built for the Florida hospital, are tested prior to shipment at the Electric Time Company in Medfield, Mass., Thursday, March 10, 2016. Most Americans will lose an hour of sleep this weekend, but gain an hour of evening light for months ahead, as Daylight Saving Time returns this weekend. The time change officially starts Sunday at 2 a.m. local time. (AP Photo/Charles Krupa)
The Associated Press