| May 2027 | Ordinary Form
- Ltrg Yr 2027 B - Cycle 1 | Extraordinary Form - Ltrg Yr 2027 |
| Sat, 1 | - Saturday 5th Week of Easter, Wkdy
- St. Joseph the Worker, Opt Mem
(FI) - St. Joseph the Worker, Feast
NAB | - Easter Sunday, Ferial
- St. Matthias, Apostle , 2nd Cl
- St. Joseph the Worker, Spouse BVM, 1st Cl
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| Sun, 2 | - Sunday 6th Week of Easter, Sunday
- St. Athanasius, Mem
NAB | - Fifth Sunday after Easter, Sunday
- St. Athanasius, Bish, Conf, and Doctor, 3rd Cl
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| Mon, 3 | - Monday 6th Week of Easter, Wkdy
- Sts. Philip and James, Feast
NAB | - Rogation Days, Monday, Ferial
- St. Alexander, Pope and Martyr and Companions, Martyrs, Comm
- St. Alexander, Pope and Martyr and Companions, Martyrs, Comm
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| Tue, 4 | - Tuesday 6th Week of Easter, Wkdy
- Tuesday 6th Week of Easter (Opt 2), Wkdy
NAB | - Rogation Days, Tuesday, Ferial
- St. Monica, Widow, 3rd Cl
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| Wed, 5 | - Wednesday 6th Week of Easter, Wkdy
NAB | - Rogation Days, Wednesday, Ferial
- Vigil Mass of the Ascension, Ferial
- St. Pius V, Pope and Confessor, 3rd Cl
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| Thu, 6 | - Thursday 6th Week of Easter, Wkdy
- Ascension of the Lord Thursday, Solemnity
NAB | - The Ascension of Our Lord, Ferial
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| Fri, 7 | - Friday 6th Week of Easter, Wkdy
(Fran) - Bl. Agnellus of Pisa,
NAB | - Easter Sunday, Ferial
- St. Matthias, Apostle , 2nd Cl
- St. Stanislaus, Bishop and Martyr, 3rd Cl
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| Sat, 8 | - Saturday 6th Week of Easter, Wkdy
NAB | - Easter Sunday, Ferial
- St. Matthias, Apostle , 2nd Cl
- Blessed Virgin Mary, Queen of all Saints and Mother of Pure Love,
- Blessed Virgin Mary, Mediatrix of all Graces,
- Blessed Virgin Mary, of the Sacred Heart of Jesus,
(FI) - Blessed Virgin Mary, Mediatrix of all Graces, 2nd Cl
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| Sun, 9 | - Sunday 7th Week of Easter, Sunday
- Ascension Sunday, Solemnity
(Fran) - St. Catherine of Bologna, Opt Mem
NAB | - Sunday after the Ascension, Sunday
- St. Gregory Nazianzen, Bishop, Confessor, and Doctor of the Church, 3rd Cl
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| Mon, 10 | - Monday 7th Week of Easter, Wkdy
- St. Damien of Molokai, Opt Mem
- St. John of Avila, Opt Mem
NAB | - Easter Sunday, Ferial
- St. Matthias, Apostle , 2nd Cl
- St. Antoninus, Bishop and Confessor, 3rd Cl
- Sts. Gordius and Epimachius, Martyrs, Comm
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| Tue, 11 | - Tuesday 7th Week of Easter, Wkdy
(Fran) - St. Ignatius of Laconi, Opt Mem
NAB | - Easter Sunday, Ferial
- St. Matthias, Apostle , 2nd Cl
- Sts. Phillip and James, 2nd Cl
- St. Lucia Filippini, Virgin,
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| Wed, 12 | - Wednesday 7th Week of Easter, Wkdy
- Sts. Nereus and Achilleus, Opt Mem
- St. Pancras, Opt Mem
(Fran) - St. Leopold Mandic, Opt Mem
NAB | - Easter Sunday, Ferial
- St. Matthias, Apostle , 2nd Cl
- Sts. Nereus, Achilleus, Domitilla, and Pancras, Martyrs,
(Fran) - St. Ignatius of Laconi, 3rd Cl
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| Thu, 13 | - Thursday 7th Week of Easter, Wkdy
- Our Lady of Fatima, Opt Mem
(FI) - Our Lady of Fatima, Feast
NAB | - Easter Sunday, Ferial
- St. Matthias, Apostle , 2nd Cl
- St. Robert Bellarmine, Bishop, Confessor, and Doctor of the Church,
- St. Boniface, Martyr,
(FI) - Blessed Virgin Mary of Fatima, 2nd Cl
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| Fri, 14 | - Friday 7th Week of Easter, Wkdy
- St. Matthias the Apostle, Feast
NAB | - Easter Sunday, Ferial
- St. Matthias, Apostle , 2nd Cl
(Fran) - St. Peter Regaldo, 3rd Cl
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| Sat, 15 | - Saturday 7th Week of Easter (Opt 1), Wkdy
- Saturday 7th Week of Easter (Opt 2), Wkdy
- Saturday 7th Week of Easter (Opt 3), Wkdy
- Saturday 7th Week of Easter (Opt 4), Wkdy
NAB | - Vigil Mass of Pentecost, Ferial
- St. John Baptist de la Salle, Confessor,
- St. Isidor the Farmer,
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| Sun, 16 | - Pentecost Sunday, Solemnity
(Fran) - St. Margaret of Cortona, Mem
NAB | - Pentecost, 1st Cl
- St. Ubald, Bishop and Confessor, 3rd Cl
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| Mon, 17 | (FI) Mary, Mother of the Church!, Feast
(Fran) - St. Paschal Baylon, Mem
NAB | - Pentecost Monday, Ferial
- St. Paschal Baylon, Confessor, 3rd Cl
(Fran) - St. Paschal Baylon, 3rd Cl
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| Tue, 18 | - Tuesday 7th Week of Ordinary Time, Wkdy
- St. John I, Opt Mem
(Fran) - St. Felix of Cantalice, Feast
NAB | - Pentecost Tuesday, Ferial
- St. Venantius, Martyr,
- St. Venantius, Martyr,
(Fran) - St. Felix of Cantalice, 3rd Cl
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| Wed, 19 | - Wednesday 7th Week of Ordinary Time, Wkdy
NAB | - Ember Wednesday, Ferial
- St. Peter Celestine, Pope and Confessor,
- St. Pudentiana, Virgin,
(Fran) - St. Theophilus of Corte, 3rd Cl
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| Thu, 20 | - Thursday 7th Week of Ordinary Time, Wkdy
- St. Bernardine of Siena, Opt Mem
(Fran) - St. Bernardine of Siena, Feast
NAB | - Thursday in Pentecost Week, Ferial
- St. Bernardine of Siena, Confessor, 3rd Cl
(Fran) - St. Bernardine of Siena, 3rd Cl
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| Fri, 21 | - Friday 7th Week of Ordinary Time, Wkdy
- St. Christopher Magallanes and Companions, Opt Mem
NAB | - Ember Friday, Ferial
- St. Christopher Magallanes and Comp, 3rd Cl
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| Sat, 22 | - Saturday 7th Week of Ordinary Time, Wkdy
- St. Rita of Cascia, Opt Mem
NAB | - Ember Saturday, Ferial
- St. Rita of Cascia, Comm
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| Sun, 23 | - Holy Trinity Sunday, Solemnity
NAB | - Feast of the Most Holy Trinity, 1st Cl
- 1st Sunday After Pentecost, Sunday
(Fran) - St. John of Prado, 3rd Cl
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| Mon, 24 | - Monday 8th Week of Ordinary Time, Wkdy
(Fran) - Dedication of the Basilica of St Francis, Feast
NAB | - Easter Sunday, Ferial
- St. Matthias, Apostle , 2nd Cl
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| Tue, 25 | - Tuesday 8th Week of Ordinary Time, Wkdy
- St. Mary Magdalene de Pazzi, Opt Mem
- St. Gregory VII, Opt Mem
- St. Bede the Venerable, Opt Mem
NAB | - Easter Sunday, Ferial
- St. Matthias, Apostle , 2nd Cl
- St. Gregory VII, Pope, Confessor,
- St. Urban I, Pope and Martyr,
- St. Madeleine Sophie Barat, Virgin,
(Fran) - Dedication of the Basilica of St. Francis of Assisi, 2nd Cl
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| Wed, 26 | - Wednesday 8th Week of Ordinary Time, Wkdy
- St. Philip Neri, Mem
NAB | - Easter Sunday, Ferial
- St. Matthias, Apostle , 2nd Cl
- St. Philip Neri, Confessor,
- St. Eleutherius, Pope and Martyr,
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| Thu, 27 | - Thursday 8th Week of Ordinary Time, Wkdy
- St. Augustine of Canterbury, Opt Mem
NAB | - Feast of Corpus Christi, Ferial
- St. Bede the Venerable, Confessor, Doctor, 3rd Cl
- St. John I, Pope and Martyr,
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| Fri, 28 | - Friday 8th Week of Ordinary Time, Wkdy
(Fran) - St. Mariana of Jesus de Paredes, Opt Mem
NAB | - Easter Sunday, Ferial
- St. Matthias, Apostle , 2nd Cl
- St. Augustine of Canterbury, Bishop, Confessor, 3rd Cl
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| Sat, 29 | - Saturday 8th Week of Ordinary Time, Wkdy
- St. Paul VI, Opt Mem
NAB | - Easter Sunday, Ferial
- St. Matthias, Apostle , 2nd Cl
- St. Mary Magdalen of Pazzi, Virgin, 3rd Cl
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| Sun, 30 | (USA) - Corpus Christi (B), Solemnity
(Fran) - St. Baptista of Varano, Opt Mem
NAB | - Second Sunday after Pentecost,
- St. Felix, Pope and Martyr, Comm
(Fran) - St. Ferdinand, Comm
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| Mon, 31 | - Monday 9th Week of Ordinary Time, Wkdy
- Visitation of Our Lady (Opt 1), Feast
- Visitation of Our Lady (Opt 2), Feast
NAB | - Easter Sunday, Ferial
- St. Matthias, Apostle , 2nd Cl
- Queenship of the Blessed Virgin Mary, 2nd Cl
- St. Petronilla, Virgin, Comm
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