Why the clocks change for Daylight Saving Time and why we do it at all

via https://ift.tt/LsYcaqO Can't we just...not change our clocks?

The clocks on our smartphones do something bizarre twice a year: One day in the spring, they jump ahead an hour, and our alarms go off an hour sooner. We wake up bleary-eyed and confused until we remember what just happened.

Afterward, "Daylight Saving Time" becomes the norm … Why the clocks change for Daylight Saving Time and why we do it at all