Spring Equinox 2025 Usa. As the northern half of the earth tilts more toward the sun, we get longer days. When is the first day of spring in 2025 happening?

If you happen to reside in the northern hemisphere, this date will also mark the start of the spring season. 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.