U.S. Daylight Saving Time begins one week from tomorrow, Sunday March 13th. We 'lose' an hour.

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U.S. Daylight Saving Time begins one week from tomorrow, Sunday March 13th 2016.
We 'lose' one hour, 1:59a.m.~3:00a.m.

Begin making your preparations now, if this applies to you ☹.
Watch out for/be mindful of idiots who do not.