What does Tyn mean in Prague?
As the English Wikipedia page says, “Týn” is the name of a nearby courtyard visited by merchants. Jonathan Reez points out that “Týn” itself is an archaic word for a fence.
What is the purpose of astronomical clock?
a clock indicating or representing the movements of the sun or planets, the phases of the moon, or the sky visible at a given time, used as a means of establishing time or for additional information, as locating celestial bodies or timing their movement.
Which country has the oldest clock?
“Oldest working clock” claim
The oldest clock in the world with a proofed engraved date (1463) is the Backhaus clock in Forchtenberg, Germany.