From Longman Dictionary of Contemporary Englishput the clock(s) back/forwardput the clock(s) back/forwardBritish EnglishTMC to change the time shown on the clock to one hour earlier or later, when the time officially changes → clock
Examples from the Corpus
put the clock(s) back/forward• They were therefore accused of putting the clock back and bringing the best hope of Christendom to an impasse.• I can't put the clock back.• Anyway, even if one wanted to, one couldn't put the clock back to an earlier age. 