First Day Of Spring 2024 March 21

First Day Of Spring 2024 March 21. When is the first day of spring in 2025? By the meteorological calendar, spring will always start on 1 march;

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. What to know about the vernal equinox the northern hemisphere’s spring — or vernal — equinox can land between march 19 and 21, depending on the.