Maundy Thursday is generally held on the morning of Maundy Thursday, but may in some dioceses take place on another day during Holy Week. It is often the largest annual gathering of clergy and faithful held in most dioceses. In some dioceses, attendance is sufficiently significant that, due to limited seating, tickets are distributed to parishes. The Mass is a celebration of the institution of the priesthood with Jesus' words at the Last Supper, "Do this in memory of me." During the Mass, those present are called to renew their baptismal promises; priests/ministers and deacons also reaffirm their ministry by renewing the
Holy Week During the Eucharist, the newly baptised receive Holy Communion for the first time. According to the rubrics of the Missal, the Eucharist should finish before dawn. Easter Sunday, which immediately follows Holy Week and begins with the Easter Vigil, is the great feast day and apogee of the Christian liturgical year: on this day the Resurrection of Jesus Christ is celebrated. It is the first day of the new season of the Great Fifty Days, or Eastertide, which runs from Easter Sunday to Pentecost Sunday. The Resurrection of Christ on Easter Sunday is the main reason why Christians keep Sunday