context: Christmas is considered the second most important Christian holiday ever after Easter, and it is the memorial of the birth of Jesus Christ, starting from the night of December 24 and the day of December 25 in the Gregorian and Julian calendars, but as a result of the difference in the two calendars thirteen days, the holiday falls in the churches That follows the Julian calendar on the eve of January 6 and January 7. [1] Although the Bible does not mention the date or date of Jesus' birth, the Church Fathers have set the date since the Council of Nicaea in 325, the date on this date. Likewise, the ecclesiastical tradition has been considered in the middle of the night, and the Gospel of childhood was mentioned to Jacob Al-Manhul in the third century. In the middle of the night, however, Pope Pius XI in the Catholic Church established the event in 1921 as officially in the middle of the night; it is also mentioned, that before Christianity December 25 was a pagan holiday to honor the sun, and with the inability to set a precise date for the birth of Jesus The Fathers of the Church, the feast of the sun, as the date of remembrance, a symbol of the universe of Christ “The Sun of the New Testament” and “The Light of the World.” [1] [2] Christmas is part and climax of the "Christmas time" in which Christian churches recall the events that preceded and preceded Christmas, such as the good news of Mary and the birth of John the Baptist and the circumcision of Jesus. [3]
question: When do Christians celebrate New Year's Day?
answers.text: December 24 and the day of December 25