Feast of the Circumcision of Christ of Jesus. Pope John XXIII's 1960 rubrical and calendrical revision called 1 January simply the Octave of the Nativity. (This 1960 calendar was incorporated into the 1962 Roman Missal, whose continued use is authorized by the motu proprio "Summorum Pontificum".) The 1969 revision states: "1 January, the Octave Day of the Nativity of the Lord, is the Solemnity of Mary, the Holy Mother of God, and also the commemoration of the conferral of the Most Holy Name of Jesus." The Anglican communion's "Book of Common Prayer" liturgy celebrates this day as the Circumcision of Christ. Since 2000, the "Common Worship"
Baptism of the Lord of Our Lord occurred on Sunday, the Office and Mass were to be those of the Feast of the Holy Family without any commemoration. In his revision of the calendar five years later, Pope John XXIII kept on 13 January the "Commemoration of the Baptism of our Lord Jesus Christ", with the rank of a second-class feast. A mere 14 years after the institution of the feast, Pope Paul VI set its date as the first Sunday after January 6 (as early as January 9 or as late as January 13) or, if in a particular country the Epiphany is