five
o'clock
It represented the seat of Charlemagne 's political and ecclesiastical power -- the capitol of the ancient Franks . The door was closed . A service was being held . It would be out at five o'clock . To occupy the interim Gard and his new friend went over to the neighboring town hall , located on the site of the emperor 's palace . They found it a gay Gothic edifice , the roof flanked by two pert towers . Inside they tiptoed about with silent respect in the immense coronation gallery -- one of the largest rooms in the world .