How Much Angle Earth Is Tilted 2024 Season. This occurs because of the 23.5° tilt of the earth, relative to its orbital plane. The tilt of our rotational axis leads to longer days in the summer time and longer nights in the winter.
Take a 90° angle of the planet’s orbit and you know where 0° would be. As earth spins around the sun, our planet’s slight tilt creates seasons.