Remember that the faithful are obliged to attend Mass twice the weekend of December 24th - once for the Fourth Sunday of Advent and once for Christmas Day, even if both Masses are attended on December 24th.
Masses for the Fourth Sunday of Advent:
Saturday December 23, 5:30pm
No 8am Mass
Sunday December 24, 10:30am
Masses for Christmas:
Sunday December 24, 4:00pm
Midnight Mass, December 25
Monday December 25, 9:00am