a large building with a clock on the front of it
Close-up of an ornate astronomical clock on a building.

Astronomical Clock

Prague, Czech Republic
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a large building with a clock on the front of it

Photo by Wolfgang Weiser

Amid stone alleys echoing with centuries of footsteps, a crowd gathers under a tower. Then, gears turn, tiny figures emerge, and the Astronomical Clock in Prague performs its ancient choreography. Time seems to pause as day-trippers, students, and local shopkeepers all crane their necks skyward, united in fascination with the city’s most hypnotic spectacle. Here, history and wonder come alive—every single hour.

Visiting Info

Currency
Entrance fee
300 CZK
Hours
Opening hours
Monday: 9:00 AM – 8:00 PM
Tuesday: 9:00 AM – 8:00 PM
Wednesday: 9:00 AM – 8:00 PM
Thursday: 9:00 AM – 8:00 PM
Friday: 9:00 AM – 8:00 PM
Saturday: 9:00 AM – 8:00 PM
Sunday: 9:00 AM – 8:00 PM

Contact Information

Location
Address
Staroměstské nám. 1, 110 00 Josefov, Czechia

Planning your visit

A trip to the Astronomical Clock takes thoughtful timing and a bit of practical planning. Nestled in Prague's Old Town Square, the clock rewards early risers and night strollers with fewer crowds, while the busiest hours come just before each hour when the mechanisms spring to life. Travel by foot—cobblestone streets encourage lingering, with sights to behold along every block—or hop a tram to Staroměstská, with easy walks from there. Expect crowds, especially in summer and on weekends. Tickets are only needed for the adjoining Town Hall tower or guided tours—the exterior show is always free.

  • Best time to visit: Early morning or late evening for smaller crowds; spring and autumn for pleasant weather.
  • How to get there: Walk from Staroměstská metro station; tram stops nearby; taxi drop-off at Old Town perimeter.
  • Accessibility: Old Town Square is mostly flat and paved, though some stones are uneven. Town Hall tower has elevator access.
  • Average visit duration: 1 to 2 hours, longer if exploring surrounding museums or climbing the tower.

Must see stuff

While the dazzling clockwork display draws the biggest crowds, Old Town Square offers far more to curious eyes. Ornate details cover every inch of the clock’s face. A climb up the Old Town Hall Tower delivers panoramic views over orange rooftops and winding streets, while side alleys promise local bakeries and hidden gardens. Guides share stories of medieval intrigue, and evening light casts the clock in mesmerizing gold. For those willing to look closely, even the neighboring chapels and statues tell centuries-old tales.

  • The Astronomical Dial: Watch zodiac signs circle with the sun and moon—an engineering marvel from 1410.
  • The Hourly Show: On the hour, catch the "Walk of the Apostles"—a charming mechanical parade, bones and all.
  • Old Town Hall Tower: Climb (or ride the elevator) for jaw-dropping cityscape views—perfect for sunset photos.
  • Mini-museums and hidden rooms: Explore lesser-known exhibitions inside the Town Hall about Prague’s history and the clock’s designers.
  • Nearby cafes and patios: Linger with coffee at U Prince rooftop bar for a clock-side view.
  • History facts: The clock survived world wars, fires, and more—each nick and patch tells a story.

Tips for your visit

Every visit brings surprises—the city’s mood shifts with the time of day and the swirl of visitors. Patience pays off during the hourly show, but space fills fast. Rain or shine, dress for Prague’s fickle weather and opt for comfortable shoes—cobblestones are unfriendly to high heels. Show respect during guided tours, where locals preserve both legends and real history. And always mind your bags in the thickest crowds. While the clock is safe and well-watched, Old Town’s popularity draws opportunistic pickpockets.

  • To avoid crowds: Come before 10 am or after 7 pm. Winter offers the coziest, least crowded visits.
  • What to bring: Camera or phone, bottled water, and comfy shoes for city wandering.
  • Local etiquette: Keep voices low during shows; don’t block photographers or the area in front of the clock.
  • Safety and comfort: Watch valuables closely. In busy seasons, reserve tower tickets online to skip lines.