1st Day Of Spring 2024 Usa 2024. The first day of spring 2024 is tuesday, march 19. But what does it mean?
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. Here’s what to know about how we split up the year using the earth’s orbit.