Spring 2025 Date Usability
Spring 2025 Date Usability. When is the first day of spring in 2025 happening? On march 19, the vernal equinox will see spring come to the northern hemisphere as the sun reaches the spot where the ecliptic and celestial equator cross each other.
Vernal / spring equinox 2025 the spring or vernal equinox marks the astronomical first day of spring. The seasons are defined as spring (march, april, may), summer (june, july, august), autumn.