Fall Equinox 2025 Celebrations. Orthodox easter sunday, also known as pascha or bright sunday, is the most important holiday in the orthodox christian liturgical calendar. Autumn 2025 starts on monday, september 22nd in the northern hemisphere, with daylight time shortening and the leaves begining to fall with the changing tilt of the.

On this day, around the time of the fall equinox, the harvest commenced, and there were great fairs and festivals. Celebrates the visit of the magi to the baby jesus.