Planet with the shortest day
Who
Jupiter
What
9/55/29.69 hour(s):minute(s):second(s)
Where
(Outer Solar System)
The planet Jupiter has the shortest day of all the eight major planets in the Solar System. It spins around on its axis once every 9 hr 55 min 29.69 sec. Jupiter has a small axial tilt of only 3.13 degrees, meaning it has little seasonal variation during its 11.86-year-long orbit of the Sun.