Hi, Ms Lee, Forbidden City is available to visit from 8:30-16:30, stop selling ticket at 15:30. Temple of Heaven opens 8am-17:30. This is the time for scenic spots in side. Summer palace opens 8:30-17:00. The park area is open early in 6am too.The park is open 6am. Half a hour later for closure time in summer. Bird's Nest visiting time,9am-17:30, will extented to 21:00 during the national holidays.