Fall Equinox 2024 Date. In the southern hemisphere, the start of fall will be on march 20, 2024, at 03:07 gmt (march 19, 11:07 p.m. The equinoxes, or “equal nights,” happen twice a year:
Sunday, sep 22 8:43 am edt. This means that under the original maine almanac rule — the one.
