#canonical_hour__canonicalhour  (Roman Catholic Church) one of seven specified times for prayer
  supertype:  #time_of_day__hour  clock time; "the hour is getting late"
  subtype:  #matins__morning_prayer__morningprayer  the first canonical hour; at daybreak
  subtype:  #prime  the second canonical hour; about 6 a.m.
  subtype:  #terce__tierce  the third canonical hour; about 9 a.m.
  subtype:  #sext  the fourth of the seven canonical hours; about noon
  subtype:  #nones__none  the fifth of the seven canonical hours; about 3 p.m.
  subtype:  #vespers__evensong  the sixth of the seven canonical hours of the divine office; early evening; now often made a public service on Sundays
  subtype:  #compline__complin  last of the seven canonical hours

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