The Rule of St. Benedict - Chapter 16. The Celebration Of The Divine Office During The Day

(1) The Prophet says: "Seven times a day have I praised you," (Ps 118[119]:164).
(2) We will fulfill this sacred number of seven if we satisfy our obligations of service at Lauds, Prime, Tece, Sext, None, Vespers and Compline,
(3) for it was of these hours during the day that he said, "Seven times a day have I praised you," (Ps 118[119]:164).
(4) Concerning Vigils, the Prophet says: "At midnight I arose to give you praise," (Ps 118[119]:62).
(5) Therefore, we should praise our Creator , "for his just judgements," at these times: Lauds, Prime, Terce, Sext, None, Vespers and Compline; and "let us arise at night to give," Him, "praise," (Ps 118[119]164, 62).

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