January 6 was kept as the day of Jesus’ baptism, his spiritual birth, and the Eastern churches also began to refer to his physical birth as occurring on that day. When the Western churches began celebrating the nativity on December 25, the Eastern churches were horrified that they had succumbed to pressure from their pagan environment. To this day the Eastern Orthodox Church still observes Christmas on January 6. Christianity and the Mysteries From what we have seen of these various mystery cults,