PIX4586045: Clock astronomique de Lyon - Calendar Perpetuel - Astronomical clock - Lyon - Detail - Located in the cathedrale Saint-Jean, the clock dates back to 1379. Writings witness his presence in the cathedrale since 1383, making it one of the oldest astronomical clocks in Europe. It consists of a 1.80m square tower, surmounted by an octagonal turret presenting the automatons and a dome supporting a rooster. The whole peak is 9.35m high. The astronomical part is divided into three parts: the astrolabe; below, the perpetual calendar, and on the right side, the minute dial. Astronomical clock - 16th century by Hugues Levet. Saint Jean Baptiste cathedral, Lyon, France. The perpetual calendar / Bridgeman Images