Daylight saving time is the practice of advancing clocks, typically by one hour during warmer months so that darkness falls at a later clock time. The typical implementation of DST is to set clocks forward by one hour in the spring "spring forward" and set clocks back by one hour in autumn "fall back" to return to standard time. As a result, there is one 23-hour day in late winter or early spring and one 25-hour day in the autumn.

In the U.S., daylight saving time starts on the second Sunday in March and ends on the first Sunday in November, which is this Sunday, with the time changes taking place at 2:00 a.m. local time.

With a mnemonic wordplay referring to seasons, clocks "spring forward, fall back"—that is, in springtime, the clocks are moved forward from 2:00 a.m. to 3:00 a.m. and in fall they are moved back from 2:00 a.m. to 1:00 a.m. Daylight saving time lasts for a total of 34 weeks (238 days) every year, about 65% of the entire year.

So This Sunday it will be getting darker earlier, which some folks can't stand. Because I get up early I kinda like it a little more than the normal person. As far as your digital computers they will reset automatically at 2: am on Sunday. The regular clocks you are going have to roll back.

if you wonder why you might have a headache when the time change comes, Your circadian rhythm controls the release of your body's hormones that affect mood, hunger, and sleep. When these rhythms shift, as they do with the time change, your body notices the difference. Some people get “cluster headaches” that cluster within one side of the head, causing unbearable pain for days or weeks. Hopefully, you haven't had to deal with that now or in the future.

It can also cause you to have a lack of sleep, which can lead to an increase in the hormone ghrelin that regulates hunger, causing an increase in appetite. So maintain a healthy number of sleep hours, and don’t stay up later because you’re “gaining” that extra hour.

Sunlight boosts your serotonin level, which elevates mood. Some folks have to sit under a certain type of lamp to help with eir serotonin levels. So get out and enjoy the sunshine while it lasts; sunset comes sooner with the end of Daylight Saving Time.

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