Daylight Saving Time March 9, 2018 3:19 pm The History of Daylight Saving Time Every spring we set our clocks forward an hour, and every fall we set them back, but why? Learn the real story behind Daylight Saving Time. US & World Videos 2:03 Mass. school officials threaten to suspend student protesters 2:13 Karen Read trial Day 6: Witness testimony resumes 6:03 Tensions rise during campus protests at MIT and Harvard 20:19 Karen Read's attorney accuses witness of perjury at murder trial 2:20 Steward Health Care files for bankruptcy