π Date: The Autumnal Equinox (Sept 22 or 23) This is the date you usually see on your wall calendar. It changes slightly each year because it is based on the Earth's tilt and rotation around the sun. The Autumnal Equinox marks the moment the sun crosses the celestial equator. From this point until the Winter Solstice, the nights get longer than the days.
We all know that feeling. The air gets a little crisper, the iced coffees turn into hot lattes, and the sun starts setting a little earlier. But when is the official kickoff to the best season of the year? when is fall season
You might notice the equinox date shifts by a day or two each year. This is because the Earth takes approximately to orbit the sun, but our calendar year is 365 days. The leap year system helps reset this, but it causes the specific timing of the equinox to fluctuate slightly. π Date: The Autumnal Equinox (Sept 22 or
Technically, there are two "first days." Which one are you celebrating today? π From this point until the Winter Solstice, the