| <-November 1966 | December 1966: | January 1967-> |
| Sunday: | Monday: | Tuesday: | Wednesday: | Thursday: | Friday: | Saturday: |
| 1: The 1st Thursday of Advent | 2: The 1st Friday of Advent | 3: The 1st Saturday of Advent | 4: The 2nd Sunday of Advent | |||
| 5: The 2nd Monday of Advent | 6: The 2nd Tuesday of Advent | 7: The 2nd Wednesday of Advent | 8: The Solemnity of The Immaculate Conception of Mary (Holy Day of Obligation) | 9: The 2nd Friday of Advent | 10: The 2nd Saturday of Advent | 11: Gaudette Sunday (3rd Sunday of Advent) |
| 12: The Memorial of Our Lady of Guadalupe | 13: The 3rd Tuesday of Advent | 14: The 3rd Wednesday of Advent | 15: The 3rd Thursday of Advent | 16: The 3rd Friday of Advent | 17: The 3rd Saturday of Advent | 18: The 4th Sunday of Advent |
| 19: The 4th Monday of Advent | 20: The 4th Tuesday of Advent | 21: The 4th Wednesday of Advent | 22: The 4th Thursday of Advent | 23: The 4th Friday of Advent | 24: The 4th Saturday of Advent | 25: Christmas Day (Holy Day of Obligation) |
| 26: The Feast of Saint Stephen, First Martyr | 27: The Feast of Saint John, Apostle and Evangelist | 28: The Feast of The Holy Innocents, Martyrs | 29: The 5th day of Christmas | 30: The 6th day of Christmas | 31: The 7th day of Christmas |