| <-April 1964 | May 1964: | June 1964-> |
| Sunday: | Monday: | Tuesday: | Wednesday: | Thursday: | Friday: | Saturday: |
| 1: The 5th Friday of Easter | 2: The 5th Saturday of Easter | 3: The 6th Sunday of Easter | ||||
| 4: The 6th Monday of Easter | 5: The 6th Tuesday of Easter | 6: The 6th Wednesday of Easter | 7: The Ascension | 8: The 6th Friday of Easter | 9: The 6th Saturday of Easter | 10: The Ascension (Celebrated) |
| 11: The 7th Monday of Easter | 12: The 7th Tuesday of Easter | 13: The 7th Wednesday of Easter | 14: The Feast of Saint Matthias, Apostle | 15: The 7th Friday of Easter | 16: The 7th Saturday of Easter | 17: Pentacost |
| 18: The 7th Monday in Ordinary Time | 19: The 7th Tuesday in Ordinary Time | 20: The 7th Wednesday in Ordinary Time | 21: The 7th Thursday in Ordinary Time | 22: The 7th Friday in Ordinary Time | 23: The 7th Saturday in Ordinary Time | 24: The Solemnity of the Holy Trinity |
| 25: The 8th Monday in Ordinary Time | 26: The 8th Tuesday in Ordinary Time | 27: The 8th Wednesday in Ordinary Time | 28: The 8th Thursday in Ordinary Time | 29: The 8th Friday in Ordinary Time | 30: The 8th Saturday in Ordinary Time | 31: The Solemnity of Corpus Christi |