Holy Days Of Obligation 2024 Catholic. Whenever january 1, the solemnity of mary, mother of god, or august 15, the solemnity of the assumption, or november 1, the. Although the obligation to celebrate mass when these three holy days fall on a saturday or monday is abolished, parishes are to continue to observe these holy days by scheduling.

With effect from the first sunday of. These are christmas day (25 december) and the feast of the assumption of the.