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Prague Astronomical Clock

The Prague Astronomical Clock, or Pražský orloj, is a masterpiece of medieval craftsmanship located in Old Town Square. First installed in 1410, it is the oldest working astronomical clock in the world. This intricate timepiece goes beyond telling time, showcasing astronomical cycles, the zodiac, and even a calendar. Every hour between 9:00 AM and 11:00 PM, a captivating mechanical show takes place as the Twelve Apostles and other symbolic figures make their appearance. The clock is a stunning blend of art, science, and history that has mesmerized visitors for centuries.

Prague Astronomical Clock Tours & Excursions

The Basics

Situated on the southern wall of the Old Town Hall, the Prague Astronomical Clock is one of the city’s most iconic attractions. While viewing the clock from outside is free, visitors can also explore the interior of the Old Town Hall, which includes a close look at the clock’s mechanism and access to a stunning observation tower. Entry fees for the hall and tower are around 250-300 CZK.

Things to Know Before You Go

Watching the hourly performance is a must-do experience, but the show lasts only about a minute, so it’s best to arrive early for a good spot. The area can get crowded, especially during peak hours. For those interested in its mechanics and history, the Old Town Hall Tower features detailed exhibits and an unbeatable view of Prague’s Old Town.

How to Get There

The clock is located in Old Town Square, easily reachable by public transport. The nearest metro station is Staroměstská on Line A, just a five-minute walk away. Alternatively, tram lines stopping at Staroměstská will bring you close by. If exploring on foot, it’s within a 15-minute walk from Charles Bridge or Wenceslas Square.

When to Get There

For a peaceful experience, visit early in the morning or late in the evening when the square is less crowded. The clock’s hourly chime draws large crowds, so arrive at least 15 minutes in advance for the best viewing. Evening visits are especially magical, as the clock and surrounding buildings are beautifully lit.

Day Trips from Prague

A visit to the Astronomical Clock pairs perfectly with exploring the rest of Old Town Square. Admire nearby landmarks such as the Gothic Church of Our Lady before Týn and the baroque St. Nicholas Church. Take a guided tour of the Old Town Hall to learn more about its history and access the observation tower for panoramic views. For a comprehensive experience, join a walking tour that explores the rich history and legends of Prague’s Old Town.