United ran down the clock with comfort - now time may also be running out for Ancelotti.

BBC: Man Utd 2-1 Chelsea (agg 3-1)

Built-in dolls come out of the clock at noon each day to dance around and tell the time.

UNESCO: Culture

Over a few decades this would amount to a minute's difference, but over several hundred years this would mean the atomic clock time-scale and the time-scale based on the Earth's rotation would be out by an hour.

BBC: Changes to the world's time scale debated