The western pattern was not firmly fixed until the sixth century. About 530, Benedict of Nursia produced his rule, based on older sources already in use. He, too, evolved a pattern of seven daily and one night offices: vespers at the end of the day, compline before bedtime, nocturns or vigils or matins early in the morning, lauds at daybreak, prime shortly thereafter, terce about nine, sext about noon, and none about three. He provided that “the whole psalter, of a hundred and fifty psalms, be sung every week, 0ur holy fathers bravely recited the Psalter in a single day. God grant that we, their degenerate sons, may do the like in scven.