First Day Of Spring 2024 Usa Dates. Next year spring will start on tuesday march 19, 2024 (day of the spring equinox) and will end on thursday june 20, 2024 with the summer solstice. The first day of spring is march 20, 2024, at 5:02 a.m.
What is the spring equinox and what happens on this 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 and night are almost the same.