Canonical

(kun-on'ik-l.) (Eccl. Pol.) Agreeably to the canons of a church; as, canonical hours, or hours prescribed by the canons for prayers. They are chiefly observed in the Roman Catholic Church, and are called prime, terce, sext, and nones (the first, third, sixth, and ninth hours of the day); i.e. at 6, 9, 12, and 3 o'clock. In England, the C. H. are from 8 till 12 A.M., before or after which marriage cannot legally be performed ina parish church. [s. 138]