the length of a day would be longer
The days would be longer
Days and nights would be twice as long.
When the earth spins the seasons change
By slowing down the earths rotation but will not make effect to humans .
the orbit
rotation
24 hours rotation
As the earth rotates the angle if the sunlight changes which affects shadows.
That's "rotation".
Not only the earth's rotation , the lunar phases change cyclically as the Moon orbits the Earth, according to the changing positions of the Moon and Sun relative to the Earth.
because of the earths rotation
no they are not