Why are days and nights not of equal duration throughout the year?

Answer 1

Because the earth is tilted on a 45 degree axis so on amercian time we get more daylight in the summer time and less in the winter time. China is the opposite and have their "summer" in December.

Answer 2

it varies because of the way the sun points the moon is only a reflection of the sun.

Answer 3

The portion of a given latitude that is in sunlight changes through the year based on the direction of the tilt of the earth's rotational axis with respect to the sun.

Answer 4

Because at that point the normal to the plane containing the rotational poles of Earth is pointing at the Sun.

Answer 5

Basically, the unequal length of days and night is due to the orbit the Earth takes round our Sun, and the tilting that the Earth takes that alters the seasons.

Answer 6

At the Equator

Answer 7

on equinoxes

Answer 8

Because of the tilt of the Earth's axis.