The September Equinox: A Special Day for the Sun

The September equinox is an exciting event that happens when the sun rises due east and sets due west. This year, it occurs on September 23, 2026. During the equinox, day and night are almost equal in length, which is a fascinating phenomenon in astronomy. Learning about events like the equinox helps us understand the changing seasons and the movement of the Earth in space.

Based on reporting from EarthSky. Read the original story →