The Earth takes approximately 24 hours to complete a full 360-degree rotation on its axis. Therefore, to rotate 90 degrees, it takes about 6 hours. This is because 90 degrees is one-quarter of a full rotation, so the time is divided accordingly.
27.3 Days
Eris takes approximately 550 Earth years to rotate on its axis.
Mars does not rotate around the Earth. It rotates on its axis, and it revolves around the Sun, just as all the other planets do.
24 hours (You spelled revole wrong and it is suppose to be rotate. The earth can't revole on its axis. It can rotate though.)
360 days
27.3
100
1 year
27.3 Days
One year
0.62 earth years
558844874
40 days
24 hours, approximately.
1 year
0.16 years.
16.11 hours.