Clocks Run Clockwise For a Logical Reason

Clocks Run Clockwise For a Logical Reason

Why do clocks run clockwise? It might seem like this was an arbitrary choice between two equally valid directions, but there's actually a good and logical reason behind the direction that the hands on a clock turn. Watch the video below to find out.

Why Do Clocks Run Clockwise?

If clocks were invented on the Southern hemisphere, things might have been different.


from Today I Found Out

Winding The Clocks At The Royal Society Library

In this library, even mundane tasks take on grand importance.

The Stopped Clock Illusion

Have you ever looked at a clock for a moment and believed that the second hand wasn't moving?


Key Facts In This Video

  • 1

    A saccade is the quick movement your eyeballs make when they look from one object to another. (0:29)

  • 2

    When you shift your eyes to another fixed point, your brain replaces the resulting blur of movement with an image of the point your eyes moved to. (1:04)

  • 3

    Every day, you lose approximately 40 minutes to saccadic masking. (2:22)

See all





Get smarter every day! Like us on Facebook.
You'll get the most interesting and engaging topics in your feed, straight from our team of experts.