First Day Of Spring 2025 Countdown. This date marks the spring equinox in the northern hemisphere. The northern hemisphere’s spring — or vernal — equinox can land between march 19 and 21, depending on the.

In the southern hemisphere, spring starts on september 22, 2025, at 12:44 gmt (07:44 a.m. Find out the date when spring is in 2025 and count down the days since spring with a countdown timer.