Start Of Spring 2025. Spring equinox 2025 (beginning of astronomical spring) on the day of the spring (march) equinox, the sun crosses the celestial equator, moving along the ecliptic. These are guidelines only for 2025 which may vary from school to school.
Summer begins with the summer solstice , friday, june 20, 2025, 10:42 p.m. Find out the spring start and end dates for the years 2024, 2025 and 2026.