Description : March 21 Why is day and night equal in all parts of the world ?
Last Answer : : During orbit, the Earth's poles are constantly tilted at an angle of 8.5 degrees to the orbit of the pole. The equator is tilted 23.5 degrees along the plane of the equator. Generally, day ... North Pole on March 21 and came at equal distances from the two poles. This is called vernal equinox .