Holy daysof Obligation are feast days on which Catholics are required to attend Mass and to avoid (to the extent that they are able) servile work. The observance of Holy Days of Obligation is part of the Sunday Duty, the first of the Precepts of the Church. AllSundays are Holy Days of Obligation. Beside Sundays, there are currently ten Holy Days of Obligation in the Latin Rite of the Catholic Church; in the United States, only sixHoly Days of Obligation are observed. Those six are identified below, with Mass times (if the date occurs on a Saturday/Sunday/Monday, its observation is held in conjunction with Regular Sunday Obligation).
DATE HOLY DAY MASS TIMES
August 15Assumption of Mary 9 a.m. and 5:30 p.m. (falling on Monday this year, there will only be a 9am Mass) November 1All Saints Day 9 a.m. and 5:30 p.m.
December 8Immaculate Conception 9 a.m. and 5:30 p.m.
December 25 Christmas Check bulletin & webpage for times
January 1Mother of God Usual Sunday Mass times
May 25Ascension 9 a.m. and 5:30 p.m.
Other days that Catholics Observe with Reverence & Prayer: EpiphanyJanuary 6, 2017 Ash WednesdayMarch 1, 2017 Palm SundayApril 9, 2017 Holy ThursdayApril 13, 2017 Good Friday April 14, 2017 Holy SaturdayApril 15, 2017 Easter SundayApril 16, 2017 Divine Mercy SundayApril 23, 2017 Pentecost SundayJune 4, 2017 Trinity SundayJune 11, 2017 Corpus Christi June 15, 2017 transferred to Sunday, June 18, 2017 Sacred Heart of JesusJune 23, 2017