May 8, 2013 - Jan 2, 2014
Solemnity of Mary, Mother of God (note 1)
Ascension (only in the ecclesiastical provinces of Boston, Hartford, New York, Newark, Omaha, and Philadelphia; the others have transferred this celebration to the following Sunday)
Assumption of the Blessed Virgin Mary (note 1)
All Saints' Day (note 1)
Feast of the Immaculate Conception
Note 1: However, when 1 January (Solemnity of Mary, Mother of God), 15 August (Feast of the Assumption), or 1 November (Solemnity of All Saints) falls on a Saturday or on a Monday, the precept to attend Mass on that date is abrogated.
Note 2: In Hawaii, in 1992, the Bishop of Honolulu, pursuant to an indult from the Holy See, established the Feast of the Immaculate Conception and Christmas as the only Holy Days of Obligation to be observed in the state.