For those of us who approach things by the Goldilocks Principle (not too little, not too much), spring equinox is practically perfect. Along with the fall equinox, this is when we get that glorious balance of daytime and nighttime all over the world — from the steamy equator to the frigid poles — with just about 12 hours of each.

Ready for the first day of spring? What we know about the 2025 spring equinox, the autumnal equinox, summer and winter solstices and more.

April showers may bring May flowers, but the start of spring comes even earlier — in March. The Earth will experience its vernal equinox on March 20. While it may not immediately transition into warm weather across the entire Northern Hemisphere,