The Earth turns about 361.02 degrees per day, on a sidereal basis, measured with respect to far distant stars.
There is no such thing as an "earth cell" - we do not know what it is that you are asking.
The Earth rotates all the way around in a little over twenty four hours.
The Earth turns about 361.02 degrees per day, on a sidereal basis, measured with respect to far distant stars.
15.
210
24 hours
An Earth complete spin is 24 hours.
24 hours. (one day)
23 hours 56 minutes
To turn 360 degrees = 23.9345 hours But because its orbiting the sun at the same time it needs to turn a bit more to face the sun again = 24 hours
24
To turn once on its axis takes about 27.32 Earth days. That's about 656 hours.