From Longman Dictionary of Contemporary Englishthe clocks go back/forwardthe clocks go back/forwardBritish English the time changes officially to one hour earlier or later The clocks go back in October. → clock
Examples from the Corpus
the clocks go back/forward• I, like many other riders, am eagerly awaiting the clocks going forward.• Police say they had to enforce the law after 1am when the clocks went forward an hour.• When the clocks go back in late October it will be dark by five o'clock in the afternoon. 