Days on which Catholics are obligated to attend Mass:
Holy Days 2021
- Solemnity of Mary, Mother of God - January 1
- Ascension of Jesus - May 13
- Assumption of the Blessed Virgin Mary - August 15
- All Saints Day - November 1
- Immaculate Conception of the Blessed Virgin Mary - December 8
- Christmas – Nativity of the Lord - December 25