First Day Spring 2025. Spring is one of the four temperate seasons, the transition period between winter and summer. The first day of spring is in 2025 on march 20 (according to the astronomical definition).
India’s 2025 holiday calendar includes national holidays, regional festivals, and long weekends. 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.