At Royal Hours all of the Hours: 1st, 3rd, 6th, and 9th, as well as the Typical Psalms, are sung as one service. The service is read on the eves of the Nativity of Christ and Theophany, as well as on Holy Friday. It is characterized by special Psalms and hymns, as well as special Old Testament, Epistle and Gospel Readings, relating to the particular Feast or events of the day.