Responsories for Holy Week Responsories for Holy Week Responsories for Holy Week (Latin: Responsoria pro hebdomada sancta) are three sets of nine responsories, for Maundy Thursday, Good Friday and Holy Saturday respectively, the three days of the Holy Week preceding Easter Sunday. They are also known as the Tenebrae responsories, and were set to music for instance by Carlo Gesualdo ("Responsoria et alia ad Officium Hebdomadae Sanctae spectantia", 1611) and by Jan Dismas Zelenka (ZWV 55). The Night Hours ("preceding" the Little Hours) of Maundy Thursday, Good Friday and Holy Saturday consist of matins (each with three nocturns) and lauds. The lessons of these
Adoption of the Gregorian calendar 12 days, only 11 were skipped, and the day of the week was repeated on successive days, because at the same time the International Date Line was moved, from following Alaska's eastern border with Canada to following its new western border, now with Russia. Many of the countries of eastern Europe were Eastern Orthodox or Islamic and adopted the Gregorian calendar much later than western Christian countries. Roman Catholic countries such as the Polish–Lithuanian Commonwealth adopted the "new style" (N.S.) Gregorian calendar in 1582 (switched back in 1795 after Third Partition of Poland), but the switch to the Gregorian calendar