A.D. 2100 December

Wednesday, December 1

• The First Wednesday of Advent

Thursday, December 2

• The First Thursday of Advent

Friday, December 3

• The First Friday of Advent

Saturday, December 4

• The First Saturday of Advent

Sunday, December 5

• The Second Sunday in Advent

Monday, December 6

• The Second Monday of Advent
• Nicholas, Bishop of Myra in Lycia

Tuesday, December 7

• The Second Tuesday of Advent

Wednesday, December 8

• The Second Wednesday of Advent
• Conception of the Blessed Virgin Mary

Thursday, December 9

• The Second Thursday of Advent

Friday, December 10

• The Second Friday of Advent

Saturday, December 11

• The Second Saturday of Advent

Monday, December 13

• The Third Monday of Advent
• Lucy, Virgin and Martyr

Tuesday, December 14

• The Third Tuesday of Advent

Wednesday, December 15

• The Third Wednesday of Advent
• Ember Day

Thursday, December 16

• The Third Thursday of Advent
• O Sapientia

Friday, December 17

• The Third Friday of Advent
• O Adonai
• Ember Day

Saturday, December 18

• The Third Saturday of Advent
• O Radix Jesse
• Ember Day

Sunday, December 19

• The Fourth Sunday in Advent
• O Clavis David

Monday, December 20

• The Fourth Monday of Advent
• Eve of Saint Thomas
• O Oriens

Wednesday, December 22

• The Fourth Wednesday of Advent
• O Emmanuel

Thursday, December 23

• The Fourth Thursday of Advent
• O Virgo Virginum

Friday, December 24

• The Fourth Friday of Advent
• Christmas Eve