When local standard time was about to reach
Sunday, 13 March 2016, 02:00:00 clocks were turned forward 1 hour to
Sunday, 13 March 2016, 03:00:00 local daylight time instead
Sunrise and sunset was about 1 hour later on 13 Mar 2016 than the day before. There was more light in the evening.
Also called Spring Forward, summer time, and Daylight Savings Time

More info:
March 13, 2016: DST Starts in USA & Canada

6 Nov

Back 1 hour

6 Nov 2016 – Daylight Saving Time Ends

When local daylight time is about to reach
Sunday, 6 November 2016, 02:00:00 clocks are turned backward 1 hour to
Sunday, 6 November 2016, 01:00:00 local standard time instead
Sunrise and sunset will be about 1 hour earlier on 6 Nov 2016 than the day before. There will be more light in the morning.
Also called Fall Back and winter time.