A.D. 1963 December 15–21

Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday

Sunday, December 15

  • The Third Sunday in Advent (Gaudete Sunday)

Monday, December 16

  • The Third Monday of Advent
  • O Sapientia

Tuesday, December 17

  • The Third Tuesday of Advent
  • O Adonai

Wednesday, December 18

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

Thursday, December 19

  • The Third Thursday of Advent
  • O Clavis David

Friday, December 20

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

Saturday, December 21

  • Thomas the Apostle
  • The Third Saturday of Advent
  • O Rex Gentium
  • Ember Day