Daylight Changes

Definition

Daylight changes refer to the variation in the amount of daylight throughout the year as a result of Earth's tilt on its axis and its orbit around the sun.

Related terms

Solstice: This is either of two times in a year when the sun reaches its highest or lowest point in the sky at noon, resulting in the shortest and longest days.

Equinox: This is one of two times each year when day and night are approximately equal length everywhere on Earth.

Photoperiodism:

This refers to biological responses (like flowering in plants or breeding in animals) that are triggered by changes in day length.