1st Day Of Spring 2025 Date And Time. Find out the date, how long in days until and count down to till spring 2025 with a countdown clock. This date marks the astronomical beginning of spring in the northern hemisphere.

The first day of spring, also known as the vernal equinox, falls around march 20th or 21st each year in the northern. 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.