The Liturgy served on the morning of Holy and Great Saturday is that of Saint Basil the Great. It begins with Vespers. After the entrance, the evening hymn 'O Gentle Light' is chanted as usual. Then the Old Testament readings are recited. They tell of the most striking events and prophecies of the salvation of mankind by the death of the Son of God. The account of creation in Genesis is the first reading. The sixth reading is the story of Israel's crossing of the Red Sea and Moses' song of victory - over Pharaoh, with its refrain: 'For gloriously is He glorified'. The last reading is about the Three Children in the fiery furnace of Babylon, and their song of praise with its repeated refrain: 'O praise ye the Lord and supremely exalt Him unto the ages.' In the ancient church the catechumens were baptized during the time of these readings. The Epistle which follows speaks of how, through the death of Christ, we too shall rise to a new life.
After the Epistle, the choir chants, like a call to the sleeping Christ: 'Arise, O Lord, Judge the earth, for Thou shall have an inheritance among all the nations... As the chanting progresses, the altar vestments as well as all sacred vestments are changed in the temple into the bright snow-white colors. The deacon carries out the Book of the Gospels, and reads the first message of the resurrection from Saint Matthew. Because the Vespers portion of the service belongs to the next day (Pascha) the burial hymns of Saturday are mingled with those of the resurrection, so that this service is already full of the coming Paschal joy.