Adios, winter. Spring's almost here — or at least it is for some of us. Above the equator, the first day of the season comes in late March during an event locally known as the spring (or "vernal," meaning spring) equinox. On this momentous occasion, the sun will be positioned directly above the equator, something that only happens twice a year, on this date and the autumnal equinox. The 2022 spring equinox arrives on March 20 at 11:33 a.m. EDT. For your astronomical pleasure, here are five quick facts about it.