What Is Spring Equinox 2024. It's officially the first day of spring, but why is it today and what is an 'equinox'? In 2024, the vernal equinox occurred on march 19, signaling the start of spring in the northern hemisphere (and fall in the southern hemisphere).


What Is Spring Equinox 2024

On march 19, the vernal equinox will see spring come to the northern hemisphere as the sun reaches the spot where the ecliptic and celestial equator cross each other. What is the spring equinox and what happens on this day?.

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