Old Town Astronomical Clock
Prague, Czech Republic
Category: Monument
Updated: Dec 09, 2025
Introduction
The Old Town Astronomical Clock in Prague is a medieval timepiece that combines artistry, history, and engineering in one iconic landmark.
The Old Town Astronomical Clock (Prague Orloj) is one of the world's oldest functioning astronomical clocks, located in the heart of Prague's historic Old Town Square. Installed in 1410, this Gothic masterpiece continues to draw millions of visitors annually with its hourly animated display and intricate astronomical dials. More than just a clock, it symbolizes Czech heritage and craftsmanship, making it a must-see attraction in the Czech Republic.
Top Highlights of Old Town Astronomical Clock
- Hourly moving apostles show
- Medieval astronomical dial indicating solar time
- Calendar disc with zodiac signs
- Statues of Vanity, Death, and Greed
- Historic Old Town Square setting
Best Time to Visit
Peak Season
June to August is peak tourist season. Expect large crowds, especially around noon for the apostles' show. Book accommodations early and arrive early in the day to avoid the rush.
Off-Season Advantages
November to March offers fewer crowds and a more peaceful experience. Winter months bring festive Christmas markets nearby and a magical atmosphere despite colder weather.
Weather Overview
Spring and early autumn offer mild weather, ideal for walking tours. Summer is warm but can be humid. Winters are cold with occasional snowfall, adding charm to the historic surroundings.
Best Months for Families
May, June, and September are ideal for families due to comfortable weather, school holidays, and manageable tourist numbers.
How to Reach
| Mode | Details |
|---|---|
| Metro | Line A or B to Staroměstská Station. Exit at Old Town Square. |
| Tram | Lines 2, 15, 17, 18, 20, 22, and 23 stop near the square. |
| Bus | Use bus lines 107, 143, 176, 188, 191, 207, 217, 358, or 517. |
| Walking | If staying in central Prague, it’s a short walk from Charles Bridge or Wenceslas Square. |
Entry Fees & Timings
Timings: The clock is visible 24/7, but the museum inside opens from 9:00 AM to 6:00 PM (Apr–Oct) and 9:00 AM to 5:00 PM (Nov–Mar).
Entry Fee: Free to view the clock externally. Museum entry costs approximately 100 CZK (~€4) for adults.
How Much Time to Spend at Old Town Astronomical Clock
- 15–30 minutes to view the clock and enjoy the hourly show
- 1 hour if visiting the clock museum and exploring Old Town Square
- Half-day if combining with nearby attractions like Charles Bridge and Jewish Quarter
Family Travel Tips
Arrive early to secure a good view of the hourly show. Bring a camera for the intricate details. Strollers may be challenging due to crowds, so consider a baby carrier. Combine the visit with a family-friendly lunch at a nearby café.
Nearby Attractions
- Charles Bridge
- Prague Castle
- Jewish Quarter (Josefov)
- Wenceslas Square
- National Museum
FAQs About Old Town Astronomical Clock
Q: Is it free to see the clock?
A: Yes, viewing the clock externally is free. Museum entry requires a fee.
Q: When does the apostles' show happen?
A: Every hour from 9:00 AM to 11:00 PM.
Q: Is photography allowed?
A: Yes, photography is allowed from public areas.
Q: Is the clock accessible for wheelchair users?
A: The square is accessible, but the museum may have limited access. Contact ahead for specific needs.