When local daylight time is about to reach
Sunday, November 5, 2017, 2:00:00 am, clocks are turned backward 1 hour to
Sunday, November 5, 2017, 1:00:00 am local standard time instead.
Sunrise and sunset will be about 1 hour earlier on Nov 5, 2017, than the day before. There will be more light in the morning.
Also called Fall Back and Winter Time.
Read more HERE