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Prague Astronomical Clock (Prague Orloj)
Prague Astronomical Clock (Prague Orloj)

Prague Astronomical Clock (Prague Orloj)

Staroměstské náměstí 1, Prague, Czech Republic

The Basics

Two residents of the city, Mikulas of Kadan and Jan Sindel, designed the astronomical clock—one of the best-preserved examples of medieval engineering in the world—in 1410. A third craftsman, Master Hanus, made later modifications.

The clock is made up of several intricate parts that do more than tell the time—with dials showing the days of the week, months of the year, signs of the zodiac, and the position of the sun and moon in the sky. Every hour, carved figures of the Apostles parade past two windows that open above the clock face, and the statues on both sides of the clock come to life. Many visitors combine a trip to see the clock with a visit inside the town hall and its viewing tower, or visit as part of a walking or bike tour of the city.

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Prague E-Scooter Tour - Grand City Tour
Prague E-Scooter Tour - Grand City Tour
$59.76 per adult
Traveler Favorite
An absolute must!
Best thing I did in Prague. Our tour guide, Jakob, spent so much time and effort giving us the history of this beautiful city. If you are on the fence, just do it!! I can promise you, you won’t regret it. We fit in all the major sights and even a little stop to try monk’s beer at the monastery. I would do it again. I did it alone and ended up with the best group of people. 10/10 recommend!
Brianna_C, Nov 2021

Recent reviews from experiences in Prague

Inside The Clock Tower.
JoAnn_F, Sep 2021
Prague Astronomical Clock Tower: Entry Ticket with Introduction
Interesting tour, got to see the underground and climb to the top of the tower for some fantastic views.
Fabulous night tour
Steven_A, Mar 2020
Private Sightseeing in Prague By Night
Our tour guide Charles was absolutely fabulous and very knowledgeable. He was punctual, polite and very professional.
Great guide
Christa_H, Nov 2019
Prague City Walking Tour: Includes Admission to the Astronomical Clock Tower
My guide was very knowledgeable and shared a lot of great information! Saw all the major sites in the old town and new town.
Excellent tour
harleynadler, Jul 2019
Prague City Walking Tour: Includes Admission to the Astronomical Clock Tower
Katerina was amazing, we were so lucky to have her! She was accommodating and we got to see many highlights of the city.

Things to Know Before You Go

  • The clock performance happens every hour from 9am–11pm.

  • Look for the skeleton turning over his hourglass to signify the human life span.

  • The square gets very busy at performance times, so keep an eye on your belongings.

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How to Get There

The Astronomical Clock is located in Old Town Square in the heart of Prague’s Old Town (Stare Mesto). The square itself is closed to traffic, although several tramlines run nearby, including lines 2, 17, and 18. The Staromestska metro station (line A) is a short walk away.

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Trip ideas

When to Get There

The clock is in a public square that is open to visitors year-round. People gather in large numbers to see the clock’s hourly performance, and the square is especially busy in the middle of the day, so plan your visit for the morning or evening hours for a more relaxed experience.

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Old Town Square’s Painted Buildings

On your visit to the square, keep an eye out for the elaborately painted buildings, including the Storch House, a Renaissance building with a picture of St. Wenceslas (patron saint of Prague); the Minute House (next to the town hall) with an etched design depicting biblical stories; and the V. J. Rott building (which now houses the Hard Rock Café), with its elaborate art nouveau swirls.

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