| <-March 1904 | April 1904: | May 1904-> |
| Sunday: | Monday: | Tuesday: | Wednesday: | Thursday: | Friday: | Saturday: |
| 1: Good Friday | 2: Holy Saturday | 3: Easter Sunday | ||||
| 4: The Memorial of Saint Isidore | 5: Tuesday of the Octave of Easter | 6: Wednesday of the Octave of Easter | 7: Thursday of the Octave of Easter | 8: Friday of the Octave of Easter | 9: Saturday of the Octave of Easter | 10: Divine Mercy Sunday |
| 11: The 2nd Monday of Easter | 12: The 2nd Tuesday of Easter | 13: The 2nd Wednesday of Easter | 14: The 2nd Thursday of Easter | 15: The 2nd Friday of Easter | 16: The 2nd Saturday of Easter | 17: The 3rd Sunday of Easter |
| 18: The 3rd Monday of Easter | 19: The 3rd Tuesday of Easter | 20: The 3rd Wednesday of Easter | 21: The 3rd Thursday of Easter | 22: The 3rd Friday of Easter | 23: The 3rd Saturday of Easter | 24: The 4th Sunday of Easter |
| 25: The Feast of Saint Mark, Evangelist | 26: The 4th Tuesday of Easter | 27: The 4th Wednesday of Easter | 28: The 4th Thursday of Easter | 29: The 4th Friday of Easter | 30: The 4th Saturday of Easter |