overview opening hours This chamber theatre provides an open space for professional and amateur theatre groups that do not have their own permanent home stage. The diversity of the performances by a wide variety of theatre groups livens up Prague’s cultural map. opening hours box office open only on the days and at the times indicated for each event (see the monthly programme of the theatre or the chamber scene). Tickets are also available online at GoOut website. cafe Cafe Na Prádle is open Mon—Sun 11am—11pm. more about opening hours opening hours box office open only on the days and at the times indicated for each event (see the monthly programme of the theatre or the chamber scene). Tickets are also available online at GoOut website. cafe Cafe Na Prádle is open Mon—Sun 11am—11pm.