Source: http://lifeteen.com/blog/remembering-god-5-tips-keep-faith-alive/

2023 Holy Days Of Obligation In The Catholic Church (United States)
2023 Holy Days Of Obligation In 2023, the Solemnity of Mary, Mother of God, January 1, falls on a Sunday, and the Ascension of the Lord, May 21, is also on a Sunday. Catholics are obligated to attend Mass every Sunday, so we chose to include them on this list....