Question: Is Holy Thursday a Holy Day of Obligation?
Catholics celebrate Holy Thursday, the Thursday before Easter Sunday, with the Mass of the Lord's Supper, commemorating Christ's Last Supper with His disciples before His arrest and crucifixion. But is Holy Thursday a Holy Day of Obligation?
Answer: While all Roman Catholics are encouraged to attend Mass on Holy Thursday to commemorate the institution of the Sacrament of Holy Communion, the priesthood, and the Mass at the Last Supper, Holy Thursday is not a Holy Day of Obligation.

