Why do clocks go clockwise?

5th February 2010
Why do clocks go clockwise? (iStock)

Asked by: Katrina Hayes, Stoke-on-Trent

Some of the earliest timepieces were sundials. In the northern hemisphere, the shadow of the dial traces clockwise as the sun moves through the sky, so when clocks were being developed in medieval times, their hands were made to turn in the same direction.