What Is Spring Equinox 2024 Meaning. It happens every march 20 or 21 (or march 19 if it's a leap year like 2024 and you are in the eastern time zone or farther west). This date marks the spring equinox in the northern hemisphere.
On march 19, 2024, the vernal equinox will signal the coming of spring for the northern hemisphere. It’s officially the first day of spring, but why is it today and what is an ‘equinox’?
