Because that's what a month is.
The word month comes from moon.
A month
The period of time it takes the moon to revolve once around the earth is about a month. It takes approximately 27.3 days, which results in different phases of the moon.
one month
Well the moon revolves around the earth in about a month. And it doesn't revolve around the sun. Thus, it takes the moon the same time it takes the Earth to revolve around the sun. So about 365.26 days
1 month
It takes the moon about 27.3 days to revolve once around the Earth. This period is known as the sidereal month.
This is called the Lunar Month.
It will take the moon 27.32 days to revolve around the earth.
No, the moon does not revolve around the sun. The Earth does though. You might be getting confused because the moon revolves around the Earth.
A month (27 days 8 hours).
It take 27.32 days for the moon to revolve around the earth. At the same time, the Earth and moon revolve as a bound pair around the sun every 365.25 days.
The moon does BOTH.