He stayed there for three hours. He missed breakfast. He missed his 09:00 walking tour. He sat on a stool, watching the light shift across the square, listening to the chime of a dozen different grandfather clocks in the room around him.
He was so busy calculating the walking distance that he didn't notice the woman sitting on the stone ledge until she spoke. tourist
He looked at his map. 06:00: Sunrise at Charles Bridge. 07:30: Breakfast at Café Savoy. He stayed there for three hours