Does anybody really know what time it is? If you really care, and unless you are fortunate enough to live in Arizona or Saskatchewan, I hope you remembered to "fall back" last night.
Can you imagine working in a clock shop? Most mechanical movements, particularly if they control a chime or cuckoo, can't be moved backwards. So you'd have to move forward 11 hours, pausing each hour for the chime or cuckoo to do its thing. Then another hour. Only 178 more clocks to go! I guess you could stop the pendulum, wait for an hour, and then start it again. Still....