Holy Day of Obligation in the USA
The First Friday votive Mass of the Sacred Heart may not be celebrated; however, in churches and oratories in which other devotions to the Sacred Heart are customarily held on the first Friday of the month, these other devotions may certainly still be held.
Mass of the Feast; Gloria; Credo; common preface.
Matins: All proper, including antiphons and psalms, and lessons of the 3 nocturns; Te Deum
Lauds: Proper antiphons, with Sunday psalms (1st scheme); remainder is proper
Prime: Proper antiphon, with Sunday psalms; Psalm 53 instead of 117
Hours: Proper antiphons, with Sunday psalms; remainder is proper
II Vespers: Proper antiphons, with Sunday psalms except Psalm 115 Credidi for fifth psalm; remainder is proper
Compline: Of Sunday