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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.
Since we define a day as having exactly 24 hours, the rotation period of the Earth is 23 hours 56 minutes, as shown in the table. The Rotation Periods of the Outer Planets