Composed of intricate dials and mechanisms, astronomical clocks more closely resemble eclectic works of art rather than timepieces. Dating back to the 15th century, these clocks display time, and information about the sun, moon, and constellations—some even showcase the movement of the planets. Astronomical clocks are not only scientific marvels, but are also detailed works of precision, engineering, and design. 

Inside a tower at Copenhagen’s City Hall resides a gilded masterpiece. Jens Olsen’s World Clock in Copenhagen, Denmark is considered one of the most precise mechanical clocks in the world. The clock is designed to calculate global times and dates, and planetary positions for the next 2,500 years. In Padua, Italy stands one of the oldest working clocks in the world. The Padua Astronomical Clock was first crafted in 1344 and has a 24-hour dail, where the hour hand only rotates once daily. From a beautiful wooden clock to one of the oldest astronomical clocks in England, here are 13 magnificent astronomical clocks.

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