Set times for prayer during the day were made ( based mostly on Jewish models ) , and a festal cycle throughout the Church year pointed out the celebration of feasts and holy days relating to the events in the life of Jesus , the lives of the saints , and features of the Church 's view of God . Set times for prayer during the day were established ( based substantially on Jewish models ) , and a festal cycle throughout the Church year governed the celebration of feasts and holy days pertaining to the events in the life of Jesus , the lives of the saints , and aspects of the Church 's perception of God .