Spring Equinox Time In 2025. The first day of spring (march equinox or vernal equinox) is when the sun shines directly on the celestial equator passing from south to north and the length of day and night are almost the same. The following table shows the dates together with the exact time in which each of the seasons of the year begin.

Find out the date when march equinox is in 2025 and count down the days until march equinox with a countdown timer. (september 22, 12:43:30 utc) 2024 winter solstice december 21 at 4:20 a.m., eastern standard time.