Vernal Equinox 2024 Exact Time. For the model e ar5 simulations, all years have exactly 365 days and vernal equinox always occurs on march 21, hour 0. Chicago the exact moment of the vernal equinox in 2024 is.

In different time zones, the date of the equinox may differ by a day, so it is important to indicate your exact location. For this year, vernal equinox will start at 8:36 am on march 20.