Is Jan 1 2024 A Holy Day Of Obligation. 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. In the united states, the bishops decided on six holy days of obligation.
Solemnities and other special celebrations in 2024. Thursday, may 9 โ celebrated on the sixth thursday after easter sunday*.