On the second Sunday +1-(833)-333-3135 (US) +1-(855)-739-0939 (US) in March, clocks are set ahead one hour at 2:00 a.m. local standard time (which becomes 3:00 a.m. local Daylight Saving Time). +1-(833)-333-3135 (US) +1-(855)-739-0939 (US)On the first Sunday in November, clocks are set back one hour at 2:00 a.m. local Daylight Saving Time (which becomes 1:00 a.m. local standard time)