Back ساعة فلكية Arabic Астранамічны гадзіннік Byelorussian Астранамічны гадзіньнік BE-X-OLD Астрономически часовник Bulgarian Rellotge astronòmic Catalan Orloj Czech Astronomische Uhr German Αστρονομικό ρολόι Greek Astronomia horloĝo Esperanto Reloj astronómico Spanish
An astronomical clock, horologium, or orloj is a clock with special mechanisms and dials to display astronomical information, such as the relative positions of the Sun, Moon, zodiacal constellations, and sometimes major planets.