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"
Feast of Christ the King using the former calendar. Those churches that use the Revised Common Lectionary observe Christ the King Sunday as the final Sunday of their liturgical years. These churches include most major mainline Protestant groups, including the Church of England, Episcopal Church, Anglican Church in North America, Evangelical Lutheran Church in America and other Lutheran groups, United Methodist Church and other Methodist groups, Presbyterian Church (U.S.A.), the United Church of Christ, and the Moravian Church. Some, such as the Uniting Church in Australia refer to it in non-gendered terms as feast of The Reign of Christ. In the Evangelical-Lutheran Church of Sweden,