First Day Of Fall 2024 Date And Time Usa Calendar. In 2024, this happens on september 22, at 12:44 gmt (08:44 a.m. Here are the equinox and solstice dates—plus, answers to common questions about the seasons of the year in north america.

The season change dates are based on the spring and fall equinoxes as well as the summer and winter solstices. * the dates of fall given on this.