Solstice And Equinox Dates 2025. In 2025, the solstice moment will fall at 2:42 utc on june 21 (9:42 p.m. 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.

The equinox in the northern. On this date, the day is equal in length to the night.