Discover the Prague Astronomical Clock: A Medieval Marvel That Still Ticks

Introduction

Few monuments capture the imagination quite like the Prague Astronomical Clock (Pražský orloj). Perched on the southern wall of the Old Town Hall in Prague’s historic Old Town Square, this medieval masterpiece has fascinated locals and visitors since it was first installed in 1410. More than just a clock, it’s a blend of art, science, and storytelling — a living link to the city’s medieval past.

Every hour, crowds gather to watch the “Walk of the Apostles,” when small wooden figures parade past tiny windows, accompanied by the chiming of bells. But the clock is more than an entertaining show. Its intricate dials display astronomical details, such as the positions of the sun and moon, zodiac signs, and even old Bohemian time.

Standing before the Astronomical Clock, you’ll not only witness an incredible piece of medieval engineering but also feel part of a centuries-old tradition. For travellers exploring Prague, this landmark is a must-see highlight — one that blends wonder, history, and a touch of magic.

What is the Prague Astronomical Clock famous for?

The Prague Astronomical Clock is famous for being the oldest working astronomical clock in the world. Installed in 1410, it is renowned for its hourly animated show, complex astronomical dials, and symbolic figures, including the Twelve Apostles and allegories of Vanity, Greed, Death, and Lust.

Why should you visit the Prague Astronomical Clock?

You should visit the Prague Astronomical Clock to experience one of Europe’s most iconic medieval monuments. The hourly performance is both entertaining and historically significant, while the detailed mechanics reveal the scientific knowledge of the Middle Ages. Climbing the Old Town Hall Tower also gives you a bird’s-eye view of the clock and Prague’s Old Town Square.

What are the opening hours and best times to visit the Prague Astronomical Clock?

The Astronomical Clock itself can be viewed 24/7 from the square.

The hourly show happens from 9:00 am to 11:00 pm daily.

The Old Town Hall Tower, where you can view the mechanism and enjoy city views, is usually open:

Monday: 11:00 am – 10:00 pm

Tuesday–Sunday: 9:00 am – 10:00 pm

Best times to visit:

Early morning for fewer crowds.

At night when the square is beautifully lit.

During festivals or markets, when the square’s atmosphere is even more magical.

How much does it cost to visit the Prague Astronomical Clock?

Viewing the clock from the outside is free.

To enter the Old Town Hall and tower:

Adults: around 250 CZK

Students and seniors: discounted tickets

Children: reduced rates

Family passes available

What can you see or do at the Prague Astronomical Clock?

Watch the hourly show: See the Apostles march, the skeleton of Death toll his bell, and other figures come to life.

Study the dials: Learn how the clock shows time, zodiac signs, and astronomical movements.

Climb the tower: Enjoy panoramic views of Old Town Square and beyond.

Explore Old Town Hall: Discover historical halls and the underground chambers.

Take photos: The clock’s intricate face and moving figures are among the most photographed sights in Prague.

What is the history behind the Prague Astronomical Clock?

The Prague Astronomical Clock was installed in 1410 by clockmaker Mikuláš of Kadaň and astronomer Jan Šindel. It was later enhanced in the 15th and 16th centuries with the addition of the calendar dial and moving figures.

Over the centuries, the clock has endured neglect, repairs, and even heavy damage during World War II. Despite these challenges, it has always been restored and preserved, remaining one of the most important symbols of Prague’s heritage.

Legends also surround the clock. One tale says its maker was blinded to prevent him from replicating his masterpiece elsewhere. Another claims the city would suffer if the clock ever stopped. True or not, these myths only add to the clock’s mystique.

Where is the Prague Astronomical Clock located and how do you get there?

The Astronomical Clock is located on the southern wall of the Old Town Hall in Old Town Square (Staroměstské náměstí).

How to get there:

By metro: Take Line A to Staroměstská station, then walk 5 minutes.

By tram: Several trams stop at Staroměstská or near the square.

On foot: It’s easily reached from Charles Bridge or Wenceslas Square.

Insider Tips for Visiting the Prague Astronomical Clock

🕰️ Arrive 5–10 minutes before the hour to secure a good viewing spot.

📸 Watch one show from the front, then see another from the side to capture different angles.

🎟️ Consider buying a ticket to the Old Town Hall Tower for a close-up look at the mechanism and panoramic views.

Nearby Attractions to the Prague Astronomical Clock

Old Town Square: The historic heart of Prague with stunning architecture.

Church of Our Lady before Týn: A Gothic landmark with iconic twin spires.

St. Nicholas Church: A Baroque masterpiece on the square.

Charles Bridge: A short walk away, connecting Old Town to Lesser Town.

Jewish Quarter (Josefov): Explore synagogues and the historic cemetery nearby.

Turn Your Visit into an Adventure

The Prague Astronomical Clock is more than a timepiece — it’s a symbol of Prague’s resilience, artistry, and imagination. Watching it strike the hour connects you with generations who have stood in the same square, looking up in wonder.

With Questo, you can turn your visit into a deeper exploration. Solve riddles, uncover legends of the clockmaker, and follow clues that lead you through Prague’s medieval streets.

👉 Download the Questo app today and make your visit to the Prague Astronomical Clock an interactive adventure.