Mon, Tue: closed
Wed - Sun: 9 a.m. - 11 a.m., 1 p.m. - 5 p.m.
Last admission: 4 p.m.
Adult: CNY 10
Student: CNY 5
Wikipedia https://zh.wikipedia.org/wiki/北京古观象台
Official Website http://www.bjp.org.cn/misc/node_4543.htm
地址 Jianguomen S St, Dongcheng, Beijing, China
坐标 39°54'22.249" N 116°25'42.069" E