Daylight Saving Time (United States) 2016 begins at 2:00 AM on Sunday, March 13 and ends at 2:00 AM on Sunday, November 6.
Most mobile phones will adjust automatically. However set your alarm for tomorrow earlier just in case. You have to adjust all the clocks in your house manually tomorrow.
I hate this time of year. Any time shift really sucks because it throws your rhythms and body schedule off kilter. It’s time to change once again.