When Is The March Equinox 2024. Whether you will celebrate a spring equinox or an autumn equinox this march, plan to include geocaching in your equinox celebrations to earn a souvenir! In the southern hemisphere, it will occur on september 22, 2024, at 12:44 gmt (07:44.
The spring equinox is tuesday, march 19 and brings the first day of astronomical spring to the northern hemisphere. For those of us in the northern hemisphere, this was marked by the arrival of the vernal equinox.