First Day Of Spring Of 2024. Spring in the northern hemisphere begins on march 20, 2025, at 09:02 gmt (05:02 a.m. The spring equinox (march 19, 2024) signals the start of spring in the northern hemisphere, the beginning of autumn in the southern hemisphere, and a rare moment of equal night across the world.

In 2024, the spring equinox—aka the first day of spring—occurs on tuesday, march 19, 2024. On the equinoxes, the earth’s axis and orbit line up so both hemispheres get the same amount of sunlight.