The December 31st, 4:00 pm Mass, is in honor of Mary, Mother of God, our patronal saint.
This year, because the feast falls on Monday, it remains a solemnity, but not a day of obligation.
Both the 10:45 a.m. and 4:00 p.m. Masses satisfy the Sunday obligation.
St. Mary Mother of God Mass Schedule
Sunday, Dec. 31, The Holy Family: 10:45 a.m.
Sunday, Dec. 31, Mary, Mother of God: 4:00 p.m.
Monday, Jan. 1, New Year’s Day – No Mass