I don't celebrate Christmas as a religious holiday. First of all, God would not be pleased by a Christ's Mass. There was a one time sacrifice for all time, for the elect. Mass, the continual sacrifice of Christ, is false religion. Then, Christmas music, the religious music, is fraught with false doctrine, the elevation of days, of holy nights, all that have nothing to do with a spiritual kingdom of Christ. For those who would celebrate the Lord's birth on the 25th of December, I would simply tell them that the day is an arbitrary day. Christ's birthday is an unknown. Therefore, at best, the 25th of December is a representative day, not the day of Christ's birth. I conform to social norms for a secular Christmas, to make my family happy. I like Santa Claus and the tree with decorations. Of course, I shed any religous connotations of those practices, knowing that they have roots in either pagan or false religious practice. The winter solstice celebration is n