December 8, The Immaculate Conception of the Blessed Virgin Mary is transferred to Monday, December 9. It is a Holy Day but the obligation is removed. The Immaculate Conception is a special celebration to commemorate the endowment of the Our Lady with the full grace of God that prepared her to conceive and to give birth to the Savior of the World. Three Masses are scheduled on Monday, December 9 at 8:00 a.m. and in the evening at 6:00 in English and 7:30 in Spanish.