While we often think of December as a winter month, the first three weeks are technically still fall. It is a time of "early darkness" and preparation for the deep cold ahead. Why Do the Dates Change?
Here is the breakdown of when the season officially starts: fall is in which month
This is the fall most traditions and almanacs reference. It’s tied to the Earth’s 23.5-degree tilt and our orbit around the sun. Astronomical fall begins with the —the moment the sun crosses the celestial equator, heading south. On that day, almost everywhere on Earth experiences roughly 12 hours of daylight and 12 hours of darkness. While we often think of December as a
For most of the Western world, fall begins on the autumnal equinox. This usually falls on September 22nd or 23rd . Because the date is determined by the Earth's tilt and orbit, it can shift slightly from year to year. This definition marks the moment when day and night are nearly equal in length. Under this calendar, fall runs until the winter solstice in late December. Here is the breakdown of when the season
Two main reasons:
Here's a breakdown of the three months that comprise the fall season: