Autumn Equinox Southern Hemisphere 2024 Date. It’s a milestone in earth’s. In the northern hemisphere the autumnal equinox falls about september 22 or 23, as the sun crosses the celestial equator going south.

According to the full moon calendar, the next full moon in may will occur on thursday, may 23 at 23:52. In addition to equinoxes and solstices, two other astronomical periods occur yearly: