Spring Equinox 2024 Season Map. This is when the sun is exactly perpendicular to earth's equator. The times of the equinoxes mark the beginning of spring and fall.
For those of us in the northern hemisphere, this was marked by the arrival of the vernal equinox (otherwise known. The vernal equinox, the astronomical beginning of spring, occurs this year today, tuesday, 19 march, 2024 at 3:06 utc (11:06 pm edt).