Is autumn September, October, and November? Or does it start later? The truth is, there are two different ways to define autumn, and both are correct depending on where you live and who you ask.

The Astronomical Autumn (Based on the Sun) This definition is based on the Earth’s orbit around the sun and the equinoxes. It is the traditional calendar most school textbooks use.

There’s a certain magic in the air when the leaves turn gold, the pumpkin spice appears, and a crisp chill replaces the summer humidity. But if you ask five different people which months are in autumn, you might get five different answers.

According to this system in the (North America, Europe, and Asia):