When Is The First Day Of Spring 2024 Calendar. In 2024, the march equinox happens on march 19 at 11:06 p.m. The vernal equinox arrives on tuesday, march 19, marking the start of the spring season for the northern hemisphere.
In the northern hemisphere, the astronomical start of spring is also known as the spring equinox. When is the first day of spring in 2024 happening?