Spring Equinox 2025 Northern Hemisphere Calendar. The spring equinox, also known as the vernal equinox or march equinox, marks the beginning of spring in the northern hemisphere. The first day of spring is march 20, 2024, at 5:02 a.m.


Spring Equinox 2025 Northern Hemisphere Calendar

This astronomical event typically occurs. The sun crosses the celestial equator, moving from north to south.

Spring Equinox 2025 Northern Hemisphere Calendar Images References :