Preceding every great Feast of the Church is a corresponding period of preparation. This preparation includes prayer and fasting. On November 15/28, the Church begins the Nativity Fast, which is broken on the Feast itself, December 25/January 7. During this Fast, we are permitted to have wine and oil every day, save Wednesdays and Fridays. […]
Read the entire text from the 2013 Encyclical for The Holy Nativity of Jesus Christ from The Holy Synod.