| <-December 1966 | January 1967: | February 1967-> |
| Sunday: | Monday: | Tuesday: | Wednesday: | Thursday: | Friday: | Saturday: |
| 1: The Solemnity of Mary the Mother of God (Holy Day of Obligation) | ||||||
| 2: The 9th day of Christmas | 3: The 10th day of Christmas | 4: The 11th day of Christmas | 5: The 12th day of Christmas | 6: Epiphany | 7: The 34th Saturday in Ordinary Time | 8: Epiphany (Celebrated) |
| 9: The Monday after Epiphany (Ordinary Time) | 10: The Tuesday after Epiphany (Ordinary Time) | 11: The Wednesday after Epiphany (Ordinary Time) | 12: The Baptism of the Lord | 13: The Friday after Epiphany (Ordinary Time) | 14: The Saturday after Epiphany (Ordinary Time) | 15: The Baptism of the Lord (Celebrated) |
| 16: The 1st Monday in Ordinary Time | 17: The 1st Tuesday in Ordinary Time | 18: The 1st Wednesday in Ordinary Time | 19: The 1st Thursday in Ordinary Time | 20: The 1st Friday in Ordinary Time | 21: The 1st Saturday in Ordinary Time | 22: The 2nd Sunday in Ordinary Time |
| 23: The 2nd Monday in Ordinary Time | 24: The 2nd Tuesday in Ordinary Time | 25: The Conversion of Paul | 26: The 2nd Thursday in Ordinary Time | 27: The 2nd Friday in Ordinary Time | 28: The Memorial of Saint Thomas Aquinas, Doctor | 29: The 3rd Sunday in Ordinary Time |
| 30: The 3rd Monday in Ordinary Time | 31: The 3rd Tuesday in Ordinary Time |