If coordinates use minutes and seconds because of the Earth’s rotation, what do they use for other planets and why?

Question

If coordinates use minutes and seconds because of the Earth’s rotation, what do they use for other planets and why?

In: Other

Answer 1

This was a thing that the Babylonians sort of got wrong. A circle is 360 degrees but a day (one revolution of the Earth) is 24 hrs. So, one degree of longitude, on average, corresponds to 4 minutes time difference and 1 minute longitude is 4 seconds time.