The library in the Clock Tower opens at 9 am and closes between 5:30 pm and 7:30 pm (depending on season).
Sat: 9 am - 1:30 pm
Sun: closed
Wikipedia https://zh.wikipedia.org/wiki/时钟宫
Official website (Library) http://biblio.sns.it/
电话 +39 50 50 92 05
地址 Piazza dei Cavalieri 56126 Pisa Italy
坐标 43°43'11.24" N 10°23'59.057" E