Vernal Equinox 2024 Edt Date. But why does this particular day signify the onset of. The vernal equinox โ is an astronomical phenomenon when the sun, in its visible motion along the ecliptic, crosses the celestial equator.
In different time zones, the date of the equinox may differ by a day, so it is important to indicate your exact location. In different time zones, the date of the equinox may differ by a day, so it is important to indicate your exact location.