Spring Equinox 2025 Date And Time. For those of us in the northern hemisphere, this is marked by the arrival of the spring equinox (otherwise known as the “first point of aries”). The first day of spring 2025 is at the spring equinox or vernal equinox, the date of equal day and night.

The first day of spring 2025 is at the spring equinox or vernal equinox, the date of equal day and night. The dates given on this page are based on.