Horologium

Horologium (Latin for "clock") may refer to: Clock, a device for measuring the time Astronomical clock, also sometimes distinguished as a horologium Horologium Augusti, a solar marker built in ancient Rome by Augustus, once believed to have acted as a sundial Horologium, a turret clock built in 1283 in Dunstable, UK ("Clock of Wisdom"), a 14th-century book on spirituality by Henry Suso , a 17th-century book by Christiaan Huygens on pendulum clocks Horologium (constellation), in the southern celestial hemisphere named in honor of Huygens's work Horologium-Reticulum Supercluster, in the area of the constellation Horologium (Orthodoxy), or Horologion, the book detailing the prayers at the canonical hours in Eastern Orthodoxy

==See also== Book of hours, a personal or Western Christian equivalent of the Eastern horologium Horology, the science of time-keeping Menologium