2025 Solstice And Equinox Dates. Please find below a list of solstice and equinox dates for the current year and for future years. In 2025, astronomical spring in the northern hemisphere will begin on march 20 at 09:02 utc and in the southern hemisphere โ on september 23 at 06:20 utc.
Daylight saving time conversion is not included) this is an official u.s. Equinox means equal day and night (12 hours each).