Spring Equinox 2025 Dates Nyc. Equinox means equal day and night (12 hours each). The dates and times for the solstices and equinoxes are from the united states naval observatory.

The vernal (spring) equinox in the northern hemisphere is the autumnal (fall) equinox in the southern hemisphere and vice versa. The spring equinox on march 20 brings renewal, while the summer solstice on june 21 highlights the peak of light and growth.