1st Day Of Spring 2025 Pics. Check out this fantastic collection of first day of spring wallpapers, with 45 first day of spring background images for your desktop, phone or tablet. But when exactly does spring begin in 2025?.

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. The first day of spring is in 2025 on march 20 (according to the astronomical definition).