The fuzzy border between them is called the —the line where sunset or sunrise is happening. This line sweeps across the planet continuously as Earth spins.
Next time you watch a sunset, remember: you aren't actually watching the Sun move. You’re feeling the Earth tilt you back into the shadows for a well-deserved rest! why do we get day and night
If the Earth didn't rotate, one side of the planet would be permanently scorched by the Sun, while the other would be frozen in eternal darkness. The fuzzy border between them is called the