Days on which Catholics are obligated to attend Mass:
Holy Days 2020
- Solemnity of Mary, Mother of God - Wednesday January 1
- Ascension of Jesus - Thursday, May 21
- Assumption of the Blessed Virgin Mary - Thursday, August 15 (Not Obligatory)
- All Saints Day - Sunday, November 1
- Immaculate Conception of the Blessed Virgin Mary - Tuesday, December 8
- Christmas – Nativity of the Lord - Wednesday, December 25