- Category
- December 5 - Second Sunday of Advent 0
- December 8 - Solemnity of the Immaculate Conception of the Blessed Virgin Mary 0
- December 12 - Third Sunday of Advent 0
- December 19 - Fourth Sunday of Advent 0
- December 24/25 - Christmas/Nativity of the Lord - Proper I 0
- December 26 - The Holy Family of Jesus, Mary and Joseph 0
December 2021
- December 5 - Second Sunday of Advent
- December 8 - Solemnity of the Immaculate Conception of the Blessed Virgin Mary
- December 12 - Third Sunday of Advent
- December 19 - Fourth Sunday of Advent
- December 24/25 - Christmas/Nativity of the Lord - Proper I
- December 26 - The Holy Family of Jesus, Mary and Joseph