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The Moon's Orbit and Rotation. It takes the Moon 27.322 days to go around the Earth once. Because of this motion, the Moon appears to move about 13 against the stars each day, or about one-half degree per hour.
This is called the solar day. But the actual period ofâ¦ rotation is less, about 23 hours and 56 minutes. This is in relation to the fixed stars and is called a sidereal day. A solar day is the time it takes for the Earth to rotate so that after one rotation the Sun is in exactly the same position relative to Earth.