Three and a half or so; the Moon rotates one time in 27.5 days. The time between full moons is longer than that, because while the Moon is going around the Earth precisely once, the Earth has kept going around the Sun - and it takes the Moon another couple of days to catch up to be in the same relative position.
There are 31 days in August.
Mars rotates on its axis in 24.6 earth hours = 1.025 earth days.
364.5 times as it takes that many days to revolve around the sun and the earth spins once every twenty four hours.
It takes aprox. 27 days for the moon to rotate once on its axis. Confusion is caused because it takes the same period to orbit the Earth, so that it keeps the same side facing the Earth
Earth rotates approximately once every day. More accurately, once every 23h56m.
It takes 58 days for mercury to rotate on its axis.
0.345, it takes the sun 27 days to rotate on its axis once.
There are 31 days in August.
It takes roughly 6.4 Earth days for Neptune to rotate on it's axis.
628 days.
about 63 earth days
About .997 days per full earth rotation on its own axis.
About 27.3 days.
234 years
153.3 hours
31.
Neptune takes 16 hours 6 minutes and 36 seconds to rotate or spin once on its axis, or 0.67125 Earth days.