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Answer Wiki. Moon takes 27.32 days to rotate around itâs axis and 27 days to revolve around Earth. This scenario is known synchronous motion. It gets crazy here. There are two sides of moon, one is the near side facing the earth and other is far side, which we will probably never see.
However, it is not just the sidereal rotation period which determines the length of a planet's day-night cycle but the length of its orbital period as well - Venus has a rotation period of 224.7 days, but a day-night cycle just 116.75 days long due to its retrograde rotation and orbital motion around the Sun.