Part of the charm and magic of Prague is the fabulous medieval architecture that has been preserved. One of the peculiar attractions that have captivated visitors for centuries is the Astronomical Clock on the Old Town Square.

This clock is an engineering marvel from the 14th century that does way more than just tell the time. The clock has the ability to also give astronomical and zodiac information.

Book your Astronomical Clock tour and visit the oldest working clock of its kind in the world and undoubtedly one of the top attractions in Prague.

Here's all you need to know about the Astronomical Clock, one of the most exciting attractions in Prague.

How much do Astronomical Clock tickets cost?

Prague’s Astronomical Clock tickets cost €17 per person. This includes entry to the Old Town Hall.

Who is eligible for discounts?

There are discounts available on Prague’s Astronomical Clock tickets for children between 5 and 15 years. They will only pay €10 per person while children under 5 get in for only €6.

Is it possible to visit for free?

You cannot visit Prague’s Astronomical Clock for free but watching the clock chime from outside is free for the public. To enter the tower and see the inner workings you have to buy a ticket.

Should you book in advance?

We always recommend booking your Astronomical Clock tickets online in advance. This way you can skip the line and secure a time slot to visit that suits your itinerary.

If you show up at the clock without a ticket you run the risk of tickets being sold out or the line being very long.

What are the best Astronomical Clock tours?

You can choose to simply visit the Astronomical Clock in Prague or maximize your time and take a tour that also visits some of the other notable sites in the city's Old Town.

Astronomical Clock Skip the Line

Get fast access to Prague’s top attraction with your Astronomical Clock Skip the Line ticket. Visit the clock tower and enjoy a 20-minute introduction by a local guide.

You will learn all about the clock’s fascinating history and get to know the mechanics behind this famed landmark. After the introduction, you are free to climb the stairs or take the elevator to the top and admire the impressive views from the top.

Astronomical Clock and Old Town Walking Tour

Take a 3-hour tour of Prague’s famous Astronomical Clock and the charming Old Town. Climb to the top of the clock tower to admire the impressive views of the city before setting off to explore 10 centuries of Czech history.

Your walking tour will take you from the Old Town into the New Town to see how this fabulous city has thrived through the ages.

Astronomical Clock and Charles bridge Underground Tour

Go from having a bird’s eye view over Prague to exploring the belly beneath the city with this fantastic tour.

Explore the 12th-century dungeons and catacombs under the Old Town before making your way across Charles Bridge and into the labyrinth of alleys in Prague’s UNESCO-listed neighbourhood.

The tour ends with a visit to the Astronomical Tower and access to the Old Town Hall.

Are there any combined tickets or tours including Astronomical Clock and other attractions?

Make the most of your time in Prague by buying a combination ticket that includes the Astronomical Clock and other notable attractions in the city.

Skip the Line Combo: Prague Castle, National Museum (or Jewish Quarter) & Astronomical Clock: Visit three of Prague’s top historic attractions over 2 days and avoid tedious lines altogether.

Skip the Line Combo: Prague Castle & Astronomical Clock: This combo is ideal if you are strapped for time. Enjoy priority access to two of Prague’s best attractions in one day.

Astronomical Clock and Panoramic Cruise: Enjoy a discounted rate when buying this sightseeing combo tour of 1-hour panoramic boat tour throught Vltava River.

What will you see inside?

The Astronomical Clock of Prague is a marvel, both from the outside and the inside. As the clock chimes at the top of the hour, you will see the procession of the 12 apostles from the outside.

There are also other moving pieces including the eerie grim reaper skeleton, the Miser, the Vain Man and the Turk.

Inside the clock tower, you can see the complicated mechanisms that literally keep this clock ticking. You will also see the apostles as they are “behind the scenes”, awaiting their next performance.

The most beautiful part of your visit comes with the view from the top of the tower.

Your Astronomical Clock ticket also allows you to enter the halls inside the Old Town Hall and sink underground to see the city’s original street-level infrastructure.

How to get there?

Prague’s Astronomical Clock is centrally located and you can’t miss its impressive face on the Old Town Square. If you want to travel on public transport, you should take the A-line on the subway and get off at Staroměstská station.

The clock tower is a short 4-minute walk from there.

What are the opening times?

You can book Astronomical Clock tickets all year. This top attraction is open from Tuesday to Sunday between 9 AM and 9 PM, and on Mondays from 11 AM until 9 PM.

When is the best time to visit the Astronomical Clock?

The clocktower grows increasingly busy as every hour approaches as crowds gather on the Old Town Square to see it in action. Generally, the tower is less busy early in the morning and later in the evening.

If you visit the Astronomical Clock’s viewing deck after dark you can enjoy a marvellous view of Prague by night.

Which other attractions can be visited in Prague?

Travel tips

Wear comfortable shoes as there is a lot of walking involved.
You should try and watch the Apostle procession once from inside and once from outside if time allows for it.
Bring water as none of the tours allows for stopping time to buy refreshments.

Astronomical Clock: Tickets and Tours