How many weeks are in a year?
Tuesday, April 13, 2021
How many hours are there in a day?
Generally ,
1 day = 24 hours
which is said to solar day , it is the amount of time it takes a given spot on the surface directly under the Sun to once again be directly under the Sun.
Actually ,
1 day = 23 hours 56 minutes 4 seconds 179 milliseconds
which is sidereal day, it is the amount of time it takes the Earth to rotate once around its axis .
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