First Day Of Spring 2025 Usa Calendar

First Day Of Spring 2025 Usa Calendar. The first day of spring is in 2025 on march 20 (according to the astronomical definition). The first day of spring occurs on the spring equinox, which marks the astronomical beginning of spring.

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. Untied states 2025 calendar online and printable for year 2025 with holidays, observances and full moons