1st Day Of Spring 2024. Light wind speeds and low humidity will make it feel like a great october day! The first day of spring (march equinox or vernal equinox) is when the sun shines directly on the celestial equator passing from south to north and the length of day.
Traditionally, the first day of spring is marked by the spring equinox, which falls in march every year. The equinox does not always fall on the same day each year due to the fact that the earth.