Autumnal Equinox -

The equinox occurs because of the Earth's . Throughout most of the year, one hemisphere leans toward the Sun while the other leans away, creating seasons. On the equinox, however, the Earth is tilted neither toward nor away from the Sun. Happy Autumnal Equinox, balance an egg!

The is an astronomical event marking the official start of fall. Derived from the Latin words aequus (equal) and nox (night), it represents the moment when the Sun crosses the celestial equator, providing nearly equal hours of daylight and darkness across the globe. The Science Behind the Event autumnal equinox