The Autumnal Equinox
Dottie Ballmann2024-09-15T19:21:48-04:00In Washington DC, the Autumnal or September Astronomical Equinox is Sunday, September 22, 2024 at 2:43 p.m. EDT.
There are two equinoxes every year: one in September and one in March. The September equinox is that moment when the Sun crosses the celestial equator—an imaginary line in the sky above Earth’s equator—from north to south. This happens on September 22, 23, or 24 in most years.
During […]