Spring Equinox 2024 Usa. In the northern hemisphere, the first day of spring is tuesday, march 19, 2024. Discover the march equinox in a nutshell with our.
This sunday, the autumnal equinox is upon us, and with it, a shift to shorter days, longer nights and the astronomical start of fall in the northern. In 2024, the vernal equinox occurred on march 19, signaling the start of spring in the northern hemisphere (and fall in the southern hemisphere).