It takes 58 days for mercury to rotate on its axis.
0.16 years.
7.5
It orbits the sun but does not rotate like Earth. One side is always hot and one is aways cold.
Eris takes approximately 550 Earth years to rotate on its axis.
a little over 11 years
Mars.
Mercury does not spin as fast as Earth, so a Mercurian day (the time it takes a planet to rotate once) is 59 Earth days.
It takes Mercury about 3 of our months to orbit the Sun.
Jupiter takes about 12 years to orbit the sun.
The word is "revolve" or "orbit", not "rotate". It takes Eris 560 years to orbit the Sun once.
A year on Mercury takes 87.97 Earth days; it takes 87.97 Earth days for Mercury to orbit the sun once.