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DALLAS, Texas (CBSDFW/AP) – It may be hard to tell with the recent bout of ice and snow across North Texas, but spring is closer than you think and here’s a sure sign: daylight saving time arrives this weekend.

Most Americans will set their clocks 1 hour forward before heading to bed Saturday night as daylight saving time officially starts Sunday at 2 a.m. – most smart phones should update automatically.

You may lose an hour of sleep, but daylight saving time promises an extra hour of evening light for months ahead.

Safety officials also say it’s a good time to put new batteries in smoke detectors and hazard warning radios.

The time change is not 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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