Summer Equinox 2025 Date

Summer Equinox 2025 Date. At the june solstice, the sun reaches its northernmost point. Spring starts at the moment when the sun is directly over the equator, going from south to north:

The times of the equinoxes mark the beginning of spring and fall. The equinoxes occur around march 20 and september 22 each year, corresponding to an equal length of day and night.