The Feast of the Immaculate Conception, a Holy Day of Obligation, is celebrated on Tuesday, December 8. Masses for this Holy Day are: Vigil Mass - Monday, December 7, at 5:30 p.m.; Tuesday, December 8, at 6:00 a.m., 8:00 a.m., 12:05 p.m. and 5:30 p.m.