St. Thomas a'Becket Catholic Church: 555 S. Lilley Rd., Canton, MI 48188, 734-981-1333,
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Home > Mass Times > Holy Days of Obligation


The times for Masses on Holy Days of Obligation change depending on the day and date. Check the Chancellor to confirm the times. The information below will help you to identify the dates of Holy Days of Obligation.

On December 13, 1991 the members of the National Conference of Catholic Bishops of the United States of America made the following general decree concerning holy days of obligation for Latin rite Catholics:

In addition to Sunday, the days to be observed as holy days of obligation in the Latin Rite dioceses of the United States of America, in conformity with canon 1246, are as follows:

  • January 1, the solemnity of Mary, Mother of God;
  • Thursday of the Sixth Week of Easter, the solemnity of the Ascension;
  • August 15, the solemnity of the Assumption of the Blessed Virgin Mary;
  • November 1, the solemnity of All Saints;
  • December 8, the solemnity of the Immaculate Conception;
  • December 25, the solemnity of the Nativity of Our Lord Jesus Christ.
  • The 2014-2015 Liturgical Calendar from the Archdiocese of Detroit

Whenever January 1, the solemnity of Mary, Mother of God, or August 15, the solemnity of the Assumption, or November 1, the solemnity of All Saints, falls on a Saturday or on a Monday, the precept (commandment) to attend Mass is abrogated (i.e., formally revoked or removed).

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If you have a question about the Holy Days of Obligation, please feel free to contact the Parish Office at (734) 981-1333.

Parishioners attend Peace and Justice event
St. Thomas a'Becket Catholic Church | 555 S. Lilley Road | Canton, MI 48188 | (734) 981-1333 |