Английский словарь американских идиом - standard time

also slow time {n.} Clock time that is set by law or agreement in a country or in part of a country; especially, in the United States: the clock time used between fall and spring, which is an hour slower than the time used in the summer. - Abbreviation ST. * /When we go to bed Saturday night, we will set our clocks back an hour, because Sunday we will be on standard time again./ * /Next week it will get dark an hour earlier, because we will be on standard time./ Contrast: DAYLIGHT SAVING TIME.