Time Of Spring Equinox 2024. Vernal / spring equinox 2024 the spring or vernal equinox marks the astronomical first day of spring. It also provides information on why winter is the shortest season, what defines each season, and when each of them starts in 2023.

To find out the exact equinox time for your time zone, open the sky tonight app. This article explains the causes of the four seasons and how they are defined by astronomers and meteorologists.