January 1,  Solemnity of Mary, Mother of God
(Vigil Mass at 4pm if 12/31 falls on a Saturday)
6 pm Vigil Mass (12/31)
8 am and 10 am  Mass (1/1)

Ash Wednesday
12 pm  &  6:30 pm

Easter
7:30 pm   Vigil Mass
8 & 10 am   Mass

Solemnity of the Ascension
 (Thursday of the Sixth Week of Easter)
7 pm Vigil Mass 
12 pm Mass (no 8:30 am Mass)

August 15,  Solemnity of the Assumption of the Blessed Virgin Mary
(normal weekend Mass times if this date falls on a Saturday or Monday)
6:30 pm Vigil Mass
12:30 pm Mass

November 1,  Solemnity of All Saints
(normal weekend Mass times if this date falls on a Saturday or Monday)
12 pm & 6 pm Mass

December 8,  Solemnity of the Immaculate Conception
6:30 pm Vigil Mass on Dec 7
12 pm Mass if Dec 8 falls on Mon, Tue, or Wed
8:30 am Mass if Dec 8 falls on Thur; 6pm Mass if it falls on Fri

Christmas, the Solemnity of the Nativity of our Lord
4 pm     Vigil Mass
8 am, 10 am   Masses