Hours: Guided 20- to 50-minute tours of the Centre Block are conducted in English and French daily 9-4:30, early July-early Sept.; daily 9-3:20, rest of year. East Block tours are given in English and French daily 10:15-4:45, July 2-early Sept. Ticket office open daily 9-4:30, early July-early Sept.; Mon.-Fri. 9-3:30, Sat. and Sun. 9-4:30, rest of year. All tours closed Jan. 1, July 1 and Christmas. Sound-and-light shows daily, mid-July to early Sept. Carillon concerts daily 11-noon, July-Aug., Mon.-Fri. noon-12:15, rest of year.