- Tue1Tuesday of the first week of AdventWeekday
- Wed2Wednesday of the first week of AdventWeekday
- Thu3Saint Francis Xavier, PriestMemorial
- Fri4Friday of the first week of AdventWeekdaySaint John Damascene, Priest and Doctor of the Church (Optional Memorial)
- Sat5Saturday of the first week of AdventWeekday
- Sun6Second Sunday of AdventSunday
- Mon7Saint Ambrose, Bishop and Doctor of the ChurchMemorial
- Tue8The Immaculate Conception of the Blessed Virgin Mary, Patroness of the USASolemnity
- Wed9Wednesday of the second week of AdventWeekdaySaint Juan Diego Cuauhtlatoatzin (Optional Memorial)
- Thu10Thursday of the second week of AdventWeekdayOur Lady of Loreto (Optional Memorial)
- Fri11Friday of the second week of AdventWeekdaySaint Damasus I, Pope (Optional Memorial)
- Sat12Our Lady of Guadalupe, Patroness of the AmericasFeast
- Sun13Third Sunday of AdventSunday
- Mon14Saint John of the Cross, Priest and Doctor of the ChurchMemorial
- Tue15Tuesday of the third week of AdventWeekday
- Wed16Wednesday of the third week of AdventWeekday
- Thu17December 17Privileged Weekday
- Fri18December 18Privileged Weekday
- Sat19December 19Privileged Weekday
- Sun20Fourth Sunday of AdventSunday
- Mon21December 21Privileged WeekdaySaint Peter Canisius, Priest and Doctor of the Church (Optional Memorial)
- Tue22December 22Privileged Weekday
- Wed23December 23Privileged WeekdaySaint John of Kanty, Priest (Optional Memorial)
- Thu24December 24Privileged Weekday
- Fri25The Nativity of the Lord (Christmas)Solemnity
- Sat26Saint Stephen, the First MartyrFeast
- Sun27The Holy Family of Jesus, Mary and JosephFeast
- Mon28The Holy Innocents, MartyrsFeast
- Tue29Fifth Day within the Octave of the Nativity of the LordPrivileged WeekdaySaint Thomas Becket, Bishop and Martyr (Optional Memorial)
- Wed30Sixth Day within the Octave of the Nativity of the LordPrivileged Weekday
- Thu31Seventh Day within the Octave of the Nativity of the LordPrivileged WeekdaySaint Sylvester I, Pope (Optional Memorial)