500
Why is it night time in Asia when it's daytime in the United States?
What is responsible for our seasons changing?
It is night time in Asia while it's daytime in the U.S. because we are on opposite sides of the Earth. When our side of the Earth is facing the Sun for day time, Asia's side of the world is AWAY from the Sun so, it's dark (night time).
The Earth's revolution around the Sun causes the season changes.