- Sun1First Sunday of AdventSunday
- Mon2Monday of the first week of AdventWeekday
- Tue3Saint Francis Xavier, PriestMemorial
- Wed4Wednesday of the first week of AdventWeekdaySaint John Damascene, Priest and Doctor of the Church (Optional Memorial)
- Thu5Thursday of the first week of AdventWeekday
- Fri6Friday of the first week of AdventWeekdaySaint Nicholas, Bishop (Optional Memorial)
- Sat7Saint Ambrose, Bishop and Doctor of the ChurchMemorial
- Sun8Second Sunday of AdventSunday
- Mon9The Immaculate Conception of the Blessed Virgin Mary, Patroness of the USASolemnity
- Tue10Tuesday of the second week of AdventWeekdayOur Lady of Loreto (Optional Memorial)
- Wed11Wednesday of the second week of AdventWeekdaySaint Damasus I, Pope (Optional Memorial)
- Thu12Our Lady of Guadalupe, Patroness of the AmericasFeast
- Fri13Saint Lucy, Virgin and MartyrMemorial
- Sat14Saint John of the Cross, Priest and Doctor of the ChurchMemorial
- Sun15Third Sunday of AdventSunday
- Mon16Monday of the third week of AdventWeekday
- Tue17December 17Privileged Weekday
- Wed18December 18Privileged Weekday
- Thu19December 19Privileged Weekday
- Fri20December 20Privileged Weekday
- Sat21December 21Privileged WeekdaySaint Peter Canisius, Priest and Doctor of the Church (Optional Memorial)
- Sun22Fourth Sunday of AdventSunday
- Mon23December 23Privileged WeekdaySaint John of Kanty, Priest (Optional Memorial)
- Tue24December 24Privileged Weekday
- Wed25The Nativity of the Lord (Christmas)Solemnity
- Thu26Saint Stephen, the First MartyrFeast
- Fri27Saint John, Apostle and EvangelistFeast
- Sat28The Holy Innocents, MartyrsFeast
- Sun29The Holy Family of Jesus, Mary and JosephFeast
- Mon30Sixth Day within the Octave of the Nativity of the LordPrivileged Weekday
- Tue31Seventh Day within the Octave of the Nativity of the LordPrivileged WeekdaySaint Sylvester I, Pope (Optional Memorial)