1st Day Of Spring 2025 In The World. When is the spring equinox 2025? According to the farmers' alamac , we typically celebrate the first day of spring on march 21.

Meteorological spring falls on march 1. 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.