Feast Of The Immaculate Conception 2024 Catholic. Catholics celebrate the feast of the immaculate conception on december 8th. This weekend, catholics around the world have the blessed opportunity to attend mass twice!
โin light of this new directive, the solemnity of immaculate conception of the blessed virgin mary, monday, december 9, 2024, is to be observed as a holy day of obligation. 8 is typically a holy day of obligation celebrating the solemnity of the immaculate conception, but this year the feast day lands on a sunday in advent.