Throughout the Christian year, a number of Holy Days will be celebrated regardless of the Season. These are:
- The feasts of Christ's Apostles,
- St. Andrew the Apostle (November 30th)
- St. Thomas the Apostle (December 21st)
- Conversion of St. Paul the Apostle (January 25th)
- St. Matthias the Apostle (February 24th)
- St. Philip and James, Apostles (May 1st)
- St. Barnabas the Apostle (June 11th)
- St. Peter and St. Paul, Apostles (June 29th)
- St. James the Apostle (July 25th)
- St. Bartholemew the Apostle (August 24th)
- St. Matthew the Evangelist (September 21st)
- St. Luke the Evangelist (October 18th)
- St. Simon and St. Jude, Apostles (October 28th)
- The feasts of the Evangelists,
- St. John the Evangelist (December 27th)
- St. Mark the Evangelist (April 25th)
- St. Matthew the Evangelist (September 21st)
- St. Luke the Evangelist (October 18th)
- The feasts of other particularly important Saints, and
- St. Stephen the Martyr (December 26th)
- The (Holy) Innocents (December 28th)
- St. John the Baptist (June 24th)
- St. Mary Magdalene (July 22nd)
- St. Michael and All Angels (September 29th)
- All Saints' Day (November 1st)
- Holy Days associated with particular events of Christ's life,
- Christmas Day (December 25th)
- Circumcision of Christ (January 1st)
- Epiphany of Our Lord (January 6th)
- Presentation of Christ in the Temple (February 2nd)
- Annunciation of the Blessed Virgin Mary (March 25th)
- Easter Day
- Ascension Day
- Transfiguration (August 6th)
The vestments and paraments on these days are usually White or Red.