| Dec 2022 | Ordinary Form
- Ltrg Yr 2023 A - Cycle 1 | Extraordinary Form - Ltrg Yr 2022 |
| Thu, 1 | - Thursday in the 1st Week in Advent, Wkdy
NAB | - First Sunday in Advent, Ferial
(Fran) - All the Deceased of the Seraphic Order, 2nd Cl
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| Fri, 2 | - Friday in the 1st Week in Advent, Wkdy
NAB | - First Sunday in Advent, Ferial
- St. Bibiana, Virgin and Martyr,
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| Sat, 3 | - Saturday in the 1st Week in Advent, Wkdy
- St. Francis Xavier Univ, Mem
(FI) - St. Francis Xavier, Feast
NAB | - First Sunday in Advent, Ferial
- St. Francis Xavier, Confessor, 3rd Cl
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| Sun, 4 | - 2nd Sunday of Advent, Sunday
- St. John Damascene, Opt Mem
NAB | - Second Sunday in Advent, Sunday
- St. Peter Chrysologus, Bishop, Confessor, and Doctor of the Church, 3rd Cl
- St. Barbara, Virgin and Martyr, Comm
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| Mon, 5 | - Monday in the 2nd Week in Advent, Wkdy
NAB | - First Sunday in Advent, Ferial
- St. Sabbas, Abbot, Comm
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| Tue, 6 | - Tuesday in the 2nd Week in Advent, Wkdy
- St. Nicholas, Opt Mem
NAB | - First Sunday in Advent, Ferial
- St. Nicholas, Bishop and Confessor,
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| Wed, 7 | - Wednesday in the 2nd Week in Advent, Wkdy
- St. Ambrose, Mem
NAB | - First Sunday in Advent, Ferial
- St. Ambrose, Bishop, Confessor, and Doctor of the Church,
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| Thu, 8 | - Thursday in the 2nd Week in Advent, Wkdy
- Immaculate Conception of the Blessed Virgin Mary, Solemnity
NAB | - First Sunday in Advent, Ferial
- The Immaculate Conception of the Blessed Virgin Mary, 1st Cl
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| Fri, 9 | - Friday in the 2nd Week in Advent, Wkdy
- St. Juan Diego, Opt Mem
- (Transferred?) Immaculate Conception of the Blessed Virgin Mary, Solemnity
(FI) - St. Juan Diego, Opt Mem
NAB | - First Sunday in Advent, Ferial
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| Sat, 10 | - Saturday in the 2nd Week in Advent, Wkdy
(FI) - Our Lady of Loreto, Feast
(FI) - Our Lady of Loreto (Isa), Opt Mem
NAB | - First Sunday in Advent, Ferial
- St. Melchiades, Pope and Martyr,
- Holy House of Loretto,
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| Sun, 11 | - 3rd Sunday of Advent, Sunday
- St. Damasus I, Opt Mem
NAB | - Third Sunday in Advent,
- St. Damasus, Pope and Confessor,
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| Mon, 12 | - Monday in the 3rd Week in Advent, Wkdy
- Our Lady of Guadalupe Lk 1:26, Feast
- Our Lady of Guadalupe Lk 1:39, Feast
NAB | - First Sunday in Advent, Ferial
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| Tue, 13 | - Tuesday in the 3rd Week in Advent, Wkdy
- St. Lucy of Syracuse, Mem
- St. Lucy of Syracuse (Lect), Mem
NAB | - First Sunday in Advent, Ferial
- St. Lucy, Virgin and Martyr, 3rd Cl
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| Wed, 14 | - Wednesday in the 3rd Week in Advent, Wkdy
- St. John of the Cross, Mem
NAB | - Wednesday of Ember Week in Advent, Ferial
- Bl. Nicholas Factor, 3rd Cl
(Fran) - Bl. Nicholas Factor, 3rd Cl
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| Thu, 15 | - Thursday in the 3rd Week in Advent, Wkdy
(Fran) - Bl. Mary Frances Schervier, Opt Mem
(FI ) - Queen of the Seraphic Order, Feast
(FI ) - Queen of the Seraphic Order (Annunciation Rdgs), Feast
NAB | - First Sunday in Advent, Ferial
- Our Lady Queen of the Seraphic Order, Comm
(Fran) - Our Lady Queen of the Seraphic Order, 2nd Cl
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| Fri, 16 | - Friday in the 3rd Week in Advent, Wkdy
- Friday in the 3rd Week in Advent (Alt), Wkdy
NAB | - Friday of Ember Week in Advent, Ferial
- St. Eusebius, Bishop and Martyr,
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| Sat, 17 | - Saturday in the 3rd Week in Advent, Wkdy
- Weekdays of Advent - Dec 17,
NAB | - Saturday of Ember Week in Advent, Ferial
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| Sun, 18 | - 4th Sunday of Advent, Sunday
- Weekdays of Advent - Dec 18,
NAB | - Fourth Sunday in Advent, Sunday
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| Mon, 19 | - Monday in the 4th Week in Advent, Wkdy
- Weekdays of Advent - Dec 19,
NAB | - First Sunday in Advent, Ferial
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| Tue, 20 | - Tuesday in the 4th Week in Advent, Wkdy
- Weekdays of Advent - Dec 20,
NAB | - First Sunday in Advent, Ferial
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| Wed, 21 | - Wednesday in the 4th Week in Advent, Wkdy
- Weekdays of Advent - Dec 21 (Zep 3),
- St. Peter Canisius, Opt Mem
- Weekdays of Advent - Dec 21 (Song 2),
- Dedication of the Indianapolis Cathedral of Sts Peter & Paul, Feast
NAB | - First Sunday in Advent, Ferial
- St. Thomas, Apostle,
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| Thu, 22 | - Thursday in the 4th Week in Advent, Wkdy
- Weekdays of Advent - Dec 22,
NAB | - First Sunday in Advent, Ferial
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| Fri, 23 | - Friday in the 4th Week in Advent, Wkdy
- St. John of Kanty, Opt Mem
- Weekdays of Advent - Dec 23,
NAB | - First Sunday in Advent, Ferial
- St. John of Kanty, Comm
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| Sat, 24 | - Saturday in the 4th Week in Advent, Wkdy
- Nativity of the Lord (Vigil), Solemnity
- Nativity of the Lord (Midnight), Solemnity
- Weekdays of Advent - Dec 24 Morning,
NAB | - First Sunday in Advent, Ferial
- Vigil of the Nativity of Our Lord, Ferial
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| Sun, 25 | - Nativity of the Lord (Dawn), Solemnity
- Nativity of the Lord (Day), Solemnity
- Nativity of the Lord (Day Shortened), Solemnity
NAB | - Sunday within the Octave of the Nativity of Our Lord, Sunday
- The Nativity of Our Lord - First Mass at Midnight, 1st Cl
- The Nativity of Our Lord - Second Mass at Dawn, 1st Cl
- The Nativity of Our Lord - Third Mass During the Daytime, 1st Cl
- St. Anastasia, Martyr,
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| Mon, 26 | - St. Stephen - The Protomartyr, Feast
NAB | - St. Stephen, First Martyr, Ferial
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| Tue, 27 | - St. John the Evangelist, Feast
NAB | - St. John, Apostle and Evangelist, Ferial
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| Wed, 28 | - Holy Innocents, Feast
NAB | - The Holy Innocents, Martyrs, Ferial
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| Thu, 29 | - St. Thomas Becket, Opt Mem
- 5th Day in Octave of Christmas, Wkdy
NAB | - 5th Day Octave of Christmas: St. Thomas of Canterbury, Bishop and Martyr,
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| Fri, 30 | - 6th Day in Octave of Christmas, Wkdy
NAB | - Sixth Day Octave of Christmas, 2nd Cl
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| Sat, 31 | - St. Sylvester I, Opt Mem
- 7th Day in Octave of Christmas, Wkdy
NAB | - Seventh Day Octave of Christmas: St. Sylvester I, Pope and Confessor, Comm
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