Fall Equinox 2024 Usa Calendar. United states 2024 holiday calendar with all major holidays and observances. Because the fall equinox is not a fixed day but is rather based on an.

The fall equinox is an important way to mark earth’s annual journey around the sun. The first day of fall in 2024 arrives with the fall equinox on sunday, september 22, 2024, at 8:44 a.m.