Saturn rotates every 10 hours, 45 minutes and 45 seconds
URANUS TAKES EIGHTY FOUR DAYS TO ROTATE
Mercury.
it isn't always like that because Venus takes 243 day to rotate!
Venus
It depends which planet you mean - the Earth takes 23 hours & 56 minutes to rotate once.
Venus.
On the planet Venus, it takes 5,832 hours to complete a full rotation on the axis
Mars.
The orbital speed of a planet is the time it takes to cycle around the sun. The spinning speed of a planet is the time it takes for the planet to rotate on it's axis.
Mercury is the closest planet to the sun thus Mercury has the shortest orbit duration. It takes the planet Mercury 88 days to rotate around the sun.
0.44401 days.
The fastest planet around the Sun is Mercury, which takes 88 days to orbit. The planet with the fastest rotation is Jupiter, which takes 10 hours to rotate.