How Do We Have Night And Day Official

Night and day are not caused by the Sun moving, but by the Earth spinning on its axis once every 24 hours. This simple rotation creates the familiar rhythm of light and dark that all life on Earth has adapted to. So the next time you see a sunrise, remember: you are not watching the Sun come up—you are watching yourself turn toward the light.

We have night and day because the once every 24 hours . As the planet spins, different parts of its surface turn to face the sun, receiving light (day), while the opposite side turns away into its own shadow (night). The Science of Earth’s Rotation how do we have night and day