September equinox, September 22, 2028
September equinox: September 22, 2028 at 7:45 AM in New York (22 Sept 2028, 11:45 UTC).
What happens
At the September equinox the Sun crosses the celestial equator heading south. Day and night are close to equal in length everywhere, and the Sun rises almost due east and sets almost due west. Autumn begins in the Northern Hemisphere and spring in the Southern.
Calculated with Astronomy Engine, an open-source library verified against the US Naval Observatory and NASA JPL. Data sources