Here are the Spring Daylight Savings instructions according to ResearchManiacs.com: The Daylight Savings for 2013 starts at 2am on March 10, 2013 . That means that at 2am on March 10, 2013 you will forward the clock to 3am so that you lose one hour and get one less hour of sleep. To clarify, this is during the night between Saturday, March 9, 2013 and Sunday, March 10, 2013.