Effective November 27, 2022 (First Sunday of Advent), the Archdiocese of Agana reinstated the following Holy Days of Obligation:
- January 1 (Solemnity of Mary, Mother of God);
- March 25 (Feast of the Annunciation);
- Thursday of the Sixth Week of Easter (The Ascension of the Lord);
- August 15, Tuesday (Assumption of the Blessed Virgin Mary); and
- November 1, Wednesday (Feast of All Saints).
They will be included in the Holy Days of Obligation that the Archdiocese observes such as:
- April 9, Sunday (Easter Sunday)
- December 8 (The Solemnity of the Immaculate Conception)
- December 25 (Christmas Day)