A.D. 2104 December 21–27
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday, December 21
- Saint Thomas, Apostle and Martyr
- The Fourth Sunday in Advent
- O Rex Gentium
Monday, December 22
- The Fourth Monday of Advent
- O Emmanuel
Tuesday, December 23
- The Fourth Tuesday of Advent
- O Virgo Virginum
Wednesday, December 24
- The Fourth Wednesday of Advent
- Christmas Eve
Thursday, December 25
- The Nativity of our Lord (Christmas Day)
Friday, December 26
- Saint Stephen, First Martyr
- The Second Day of Christmas
Saturday, December 27
- Saint John, Apostle and Evangelist
- The Third Day of Christmas