If rotation were the only factor, every day would have exactly 12 hours of light and 12 hours of darkness. However, we know that summer days are long and winter days are short. This is caused by two additional factors: and its Orbit .
The half of the Earth facing away from the Sun is in its own shadow, resulting in darkness. causes of day and night on earth
The half of the Earth facing the Sun experiences daylight. The Sun’s rays hit the surface, providing light and heat. If rotation were the only factor, every day
Once, long before maps or clocks, the world lived in a state of soft, unchanging twilight. There was no waking or sleeping, only a gentle, hazy existence. The Earth was a massive, stubborn stone, sitting perfectly still in the center of a cosmic garden. High above, the Sun was a restless giant of gold. He had enough fire to light a thousand worlds, but because the Earth did not move, his warmth only ever hit one side of the planet. On that side, the ground baked into a cracked, white desert where nothing could grow. On the other side, hidden in a permanent shadow, the world was a jagged kingdom of ice and silence. Between the heat and the frost lived the People of the Middle. They huddled in the narrow strip of gray light where the temperature was just right, but they were tired. They wanted to see the stars the shadow-dwellers talked about, and they wanted to feel the warmth the desert-dwellers feared. One day, a clever spirit named Ori climbed to the highest peak. She carried a Great Silver Thread. She looked up at the Sun as he drifted aimlessly by and tossed the thread like a lasso, catching the Sun’s fiery mane. "Why do you hold me?" the Sun roared, his voice like crackling timber. "Because half of us are burning and the other half are freezing," Ori shouted. "We need to share your light." Ori didn't pull the Sun down; instead, she tied the other end of the thread to the Earth's North Pole. She began to run, pushing against the horizon with all her might. Slowly, the heavy Earth began to groan. It creaked like an old wooden floorboard, then it began to nudge. Suddenly, the Earth began to The half of the Earth facing away from