Why Do Clocks Run Clockwise?
Before the advent of clocks, we used sundials. In the northern hemisphere, the shadows rotated in the direction we now call "clockwise". The clock hands were built to mimic the natural movement of the sun. If clocks had been invented in the southern hemisphere, it is speculated, "clockwise" would be the opposite direction.
Why Do Clocks Run Clockwise? by David Feldman