Horologium (

Latin Latin (, or , ) is a classical language belonging to the Italic branch of the Indo-European languages. Latin was originally a dialect spoken in the lower Tiber area (then known as Latium) around present-day Rome, but through the power of the ...

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clock A clock or a timepiece is a device used to measure and indicate time. The clock is one of the oldest human inventions, meeting the need to measure intervals of time shorter than the natural units such as the day, the lunar month and the ...

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Clock A clock or a timepiece is a device used to measure and indicate time. The clock is one of the oldest human inventions, meeting the need to measure intervals of time shorter than the natural units such as the day, the lunar month and the ...

, 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 The Horologium-Reticulum Supercluster, is a massive supercluster spanning around 550 million light-years. It has a mass of around 1017 solar masses, similar to that of the Laniakea Supercluster, which houses the Milky Way. It is centered on coord ...

, in the area of the constellation * Horologium (Orthodoxy), or Horologion, the book detailing the prayers at the canonical hours in Eastern Orthodoxy

See also