The Professor Answers:
Why do clocks run 'clockwise'?

Heat lighting is actually distant lightning produced by an electrical
Before clocks were invented, sundials were used to tell time. In the northern
hemisphere, the sun's shadow rotated in the direction we now call clockwise.
The clock hands were built to mimic the natural movement of the sun.
However, if clocks had been invented in the southern hemisphere,
clockwise would have been in the opposite direction.

From the book,
"Why Do Clocks Run Clockwise? and other Imponderables" by David Feldman