Holy days of obligation are days set aside by the Church when the faithful attend Mass. In addition to Sundays, the days observed as holy days of obligation in the United States are:

• January 1st – Mary, Mother of God
• May 26th – Ascension of Our Lord
• August 15th – Assumption of the Blessed Virgin Mary
• November 1st – All Saints
• December 8th – Immaculate Conception of the Blessed Virgin Mary

Mass held on these days will be at 12 Noon and 7:00 pm 

• Christmas Eve*: 7pm and Midnight Mass
• Nativity of Our Lord Jesus Christ:10 am Mass

*Not a Holy Day of Obligation