Equinox 2025 Solar. The annular solar eclipse of 2025 is set to occur on october 2, wednesday. 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.
There are only two times of the year when the earth’s axis is tilted neither toward nor away from the sun, resulting in a nearly equal amount of daylight and darkness at all latitudes. In 2025, the equinox will occur on september 22, at 12:44 gmt (8:44 a.m.