The Feast of the Immaculate Conception is a Holy Day of Obligation. Masses will be celebrated as follows: Wednesday, December 7th - Vigil Mass at 7 p.m. Thursday, December 8th - Masses at 6:30 a.m., 9:00 a.m. (with adoration following until 10:30 a.m.), Noon and 7 p.m.