Holy Day Of Obligation In 2024. A holy day of obligation is a feast, a solemn and high and holy feast but, more often than not, it certainly does not feel like one. 15 august is the beautiful celebration in the church of the solemnity of the assumption of the blessed virgin mary into heaven.

The solemnity of the immaculate conception (december 8) falls on a sunday in 2024, so it is transferred to monday, december 9, and the obligation to attend mass is abrogated. 1, the solemnity of mary, mother of god, falling on a monday.