Solemnity or feastOptional memorialFaded days have no published observance yet.
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8December
- Immaculate Conception of the Blessed Virgin Mary
- 9
- 10December
- Our Lady of Loreto
- 11
- 12December
- Our Lady of Guadalupe
- 13
- 14
- 15
- 16
- 17
- 18
- 19
- 20
- 21
- 22
- 23
- 24
- 25
- 26
- 27December
- St John, Apostle and Evangelist, Apostle and Evangelist
- 28
- 29
- 30
- 31
A note on accuracy. Dates and rankings follow the general Roman calendar where possible, with additional regional and religious-order observances noted. Movable feasts (such as Easter or Corpus Christi) are not represented in this fixed-date calendar. See our Sources & Methodology.