May - Sep: 8:30 am - 4:30 pm
Oct - Apr: 8:30 am - 4 pm
General admission: CNY 10
Wikipedia https://zh.wikipedia.org/wiki/白云观
Information at Travel China Guide http://www.travelchinaguide.com/attraction/beijing/white-cloud-temple.htm
地址 Beijing, China
坐标 39°53'56.075" N 116°20'15.136" E