March Equinox Explained: 7 Facts in Pictures

What is the March equinox, and why is it called the vernal equinox in one hemisphere and the autumn equinox in the other? This infographic highlights 7 quick March equinox facts: when the next equinox happens, why day and night are nearly equal but not exactly the same, and why this moment marks the first day of spring in the Northern Hemisphere and the first day of autumn in the Southern Hemisphere.

For the full story, read our guides to the spring equinox, the autumn equinox, and what an equinox is. Want a side-by-side visual comparison of both seasonal turning points? Check our spring equinox vs. autumn equinox infographic. And if you think you already know everything about equinoxes and can easily tell them apart from solstices, test yourself with our equinox vs. solstice quiz!