When do the clocks change? Mar 29, 2013 21:24:45 GMT 1 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by Bonefish on Mar 29, 2013 21:24:45 GMT 1 In the UK the clocks go forward 1 hour at 1am on the last Sunday in March, and back 1 hour at 2am on the last Sunday in October.When do the clocks change?