When Is The First Day Of Spring 2024 Calendar. When is the first day of spring in 2025? In 2024, the exact time of the start of spring is at 03:06 of.

By that calendar, spring starts on march 1, summer on june 1, fall on sept. 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 and night are almost the same.