Vernal Equinox 2024 Date And Time. The vernal equinox, the astronomical beginning of spring, occurs this year today, tuesday, 19 march, 2024 at 3:06 utc (11:06 pm edt). Fall begins with the autumnal equinox, sunday, september 22, 2024, 8:44 a.m.

The vernal equinox marks the beginning of astronomical spring, while the autumnal equinox marks the beginning of autumn. Before you try to balance that egg, read on!