Daylight Saving Time 2013: When Does It End? And Why?
With an extra hour of sleep and an earlier sunset, daylight saving time (also called daylight savings time) ends this weekend.
That means clock confusion is once again ticking away, giving rise to hotly debated questions: Why do we spring forward and fall back? Does daylight saving time (DST) really save energy? Is it bad for your health? Here are some answers from the experts.