When Does Orthodox Christmas Start 2024. When does the nativity fast begin? 25 is the date of christmas, or the feast of the nativity, as they call it.

The orthodox nativity fast 2024 begins by our calendar on november 28 (november 15) and lasts for forty days, until january 7 (december 25). Christmas day is still to arrive for around 220 million orthodox christians who celebrate on 7 january.