Autumn Equinox 2024 Events In Usa. Spring equinox 19 march, summer solstice 20 june, autumn equinox 22 september, winter solstice 21 december. Here’s everything you need to know about the yearly event.

This sunday, the autumnal equinox is upon us, and with it, a shift to shorter days, longer nights and the. Here’s everything you should know about the fall equinox—plus our favorite fall facts, folklore,.