- Thu1Thursday of the first week of AdventWeekday
- Fri2Friday of the first week of AdventWeekday
- Sat3Saint Francis Xavier, PriestMemorial
- Sun4Second Sunday of AdventSunday
- Mon5Monday of the second week of AdventWeekday
- Tue6Tuesday of the second week of AdventWeekdaySaint Nicholas, Bishop (Optional Memorial)
- Wed7Saint Ambrose, Bishop and Doctor of the ChurchMemorial
- Thu8The Immaculate Conception of the Blessed Virgin Mary, Patroness of the USASolemnity
- Fri9Friday of the second week of AdventWeekdaySaint Juan Diego Cuauhtlatoatzin (Optional Memorial)
- Sat10Saturday of the second week of AdventWeekdayOur Lady of Loreto (Optional Memorial)
- Sun11Third Sunday of AdventSunday
- Mon12Our Lady of Guadalupe, Patroness of the AmericasFeast
- Tue13Saint Lucy, Virgin and MartyrMemorial
- Wed14Saint John of the Cross, Priest and Doctor of the ChurchMemorial
- Thu15Thursday of the third week of AdventWeekday
- Fri16Friday of the third week of AdventWeekday
- Sat17December 17Privileged Weekday
- Sun18Fourth Sunday of AdventSunday
- Mon19December 19Privileged Weekday
- Tue20December 20Privileged Weekday
- Wed21December 21Privileged WeekdaySaint Peter Canisius, Priest and Doctor of the Church (Optional Memorial)
- Thu22December 22Privileged Weekday
- Fri23December 23Privileged WeekdaySaint John of Kanty, Priest (Optional Memorial)
- Sat24December 24Privileged Weekday
- Sun25The Nativity of the Lord (Christmas)Solemnity
- Mon26Saint Stephen, the First MartyrFeast
- Tue27Saint John, Apostle and EvangelistFeast
- Wed28The Holy Innocents, MartyrsFeast
- Thu29Fifth Day within the Octave of the Nativity of the LordPrivileged WeekdaySaint Thomas Becket, Bishop and Martyr (Optional Memorial)
- Fri30The Holy Family of Jesus, Mary and JosephFeast
- Sat31Seventh Day within the Octave of the Nativity of the LordPrivileged WeekdaySaint Sylvester I, Pope (Optional Memorial)