A.D. 2099 December 20–26
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday, December 20
- The Fourth Sunday of Advent
- Eve of Saint Thomas
Monday, December 21
- Saint Thomas the Apostle
- The Fourth Monday of Advent
Tuesday, December 22
- The Fourth Tuesday of Advent
Wednesday, December 23
- The Fourth Wednesday of Advent
Thursday, December 24
- The Fourth Thursday of Advent
- Christmas Eve
Friday, December 25
- The Nativity of Our Lord Jesus Christ (Christmas Day)
Saturday, December 26
- Saint Stephen, Deacon and Martyr
- The Second Day of Christmas
- Eve of Saint John