One day.
Earth takes 24 hours to revolve on its axis. A revolution is orbiting around the sun and not on its axis.
It takes earth exactly one day to rotate around the axis.
It takes Mercury 1407.6 Earth hours to make one full rotation around its axis.
It takes 1 day to rotate once around its axis, and about 365 days for the Earth to revolve around the Sun. The Earth's rotation time is about 23 hours and 56 minutes.
2,32 Earth days
It takes about 59 Earth days for Mercury to complete one full rotation on its axis.
Both of these periods are exactly equal ... about 27.32 days.
It takes 365 1/4 days to revolve around earth.
About 27.3 days.
about 5 years
It takes Uranus 17 hours and 14 minutes to rotate on its axis. However it take Uranus 30,685 Earth Days to revolve or move around the sun. Our earth takes 365 days.
A day is defined as a single complete revolution on it's axis. So, a day.