March 13 is daylight saving time in the United States, where clocks "spring" forward an hour at 2 a.m. to give us more daylight and make us all extra sleepy. Daylight saving time is a set calendar date. It is always the second Sunday in March, and begins on Sunday March 13 at 2 a.m. When the clock strikes 2 a.m., it “springs” forward to to 3 a.m. for a majority of the United States. Click on for more info and funny memes!