When do clocks spring ahead?

In the U.S., clocks change at 2:00 a.m. local time. In spring, clocks spring forward from 1:59 a.m. to 3:00 a.m.; in fall, clocks fall back from 1:59 a.m. to 1:00 a.m. In the EU, clocks change at 1:00 a.m. read more

The expressions “spring ahead” and “spring up” are also used to describe the action of setting clocks 1 hour ahead for the start of DST in the spring. These terms are mainly used in the USA and Canada. read more

When local standard time was about to reach. Sunday, March 12, 2017, 2:00:00 am clocks were turned forward 1 hour to. Sunday, March 12, 2017, 3:00:00 am local daylight time instead. read more