24 hours, approximately.
The Sun does not rotate around the Earth, nor does the Earth rotate around the Sun. The Earth revolves around the Sun each year, and each body rotates about its own axis: once a day for the Earth, once in about 25 days for the Sun.
Earth's moon does rotate on it's axis but it does it once each orbit of the Earth: every 27.3 days .
24 hours
23 hours and 56 minutes.
687 days
No it take 243 Earth days.
about 24 hrs and 1 year
165 (Earth) years.
50 Earth Years and 1059 alien years.
The ocean and the earth do rotate. At the same speed, once every 24 hrs.
because that's how long it take for the earth to rotate once