When: May 14, 15, 2018 from 15:00 hours to 21:30 hours
Where: On the Vltava river in the vicinity of Charles Bridge
Other Details: The Navalis Sabbath Festival celebrates the most famous Czech saint John of Nepomuk, the patron of Bridges. Famous water festivals are held in honour of him at the Charles Bridge and this will be the 10th year.
There will be a mass at 18:00 hours in honour of St. Jana Nepomuckého and sv. Anežky České v kostele sv. Frantisek of Assisi. A day later, it takes place in the Cathedral of sv. Víta. The procession will go through the Charles Bridge at 19:15 hours. From 20.30 onwards it will be followed by royal flight, boat regatta, skydiving parachutists and ferry boat cruisers at Charles Bridge.
More info: On source website