How Long is a Day on the Moon?
one earth day
about four earthly weeks
one earth year
the length is very variable
The transition from day to night is caused by the spinning of the Earth about its axis. The same occurs on the moon. However, the difference is that It takes 28.5 days for the moon to spin about its axis. So one moon-day is 28.5 Earth-days long!
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Answers by country
one earth day
about four earthly weeks
one earth year
the length is very variable
answers

11

10

106

18

12

65

8911

30

762

723

17