First Day Of Spring 2024 Countdown Clock. In the northern hemisphere, the astronomical start of spring is also known as the spring equinox. The first day of spring, also known as the vernal equinox, spring equinox and march equinox, is on march 19, 2025.
Here’s everything to know about the season change, along with the 2024 dates to mark on your calendar. In the southern hemisphere, spring.
