A.D. 2015 December 20–26
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday, December 20
- The Fourth Sunday in Advent
- O Oriens
Monday, December 21
- Saint Thomas, Apostle and Martyr
- The Fourth Monday of Advent
- O Rex Gentium
Tuesday, December 22
- The Fourth Tuesday of Advent
- O Emmanuel
Wednesday, December 23
- The Fourth Wednesday of Advent
- O Virgo Virginum
Thursday, December 24
- The Fourth Thursday of Advent
- Christmas Eve
Friday, December 25
- The Nativity of our Lord (Christmas Day)
Saturday, December 26
- Saint Stephen, First Martyr
- The Second Day of Christmas