As the Earth rotates, different parts of the planet face the sun while others turn away from it. The side facing the sun experiences daylight, while the side facing away experiences the darkness of night. The Role of the Sun
We are currently spinning at a speed of roughly at the equator. This rotation is what drags locations on Earth into and out of the stream of sunlight. If the Earth were locked in place (tidally locked), one side would face an eternal, scorching noon, and the other would face a freezing midnight. Life as we know it would be impossible. what causes days and nights
Here is a deep look at what truly causes days and nights. As the Earth rotates, different parts of the
This tilt ensures that the concept of "night" is relative to your latitude and the time of year. This rotation is what drags locations on Earth
These transitions occur as a specific location crosses the circle of illumination. We perceive the sun "rising" because our spot on Earth is rotating into the sun's light. Why 24 Hours?