Summer (Apr 1 - Oct 31): 9 am - 5:30 pm
Winter (Nov 1 - Mar 31): 9 am - 5 pm
Adult: CNY 160
Child (under 1.2 m/3.9 feet): free
The entrance tickets for Beijing Zoo and Panda Hall included.
Wikipedia http://en.wikipedia.org/wiki/Beijing_Zoo#Beijing_Aquarium
Information on Travel China Guide http://www.travelchinaguide.com/attraction/beijing/aquarium.htm
Phone +86 10 6217 6655
Address 18 Gaoliangqiao Byway, Haidian, Beijing, China
Coordinates 39°56'19" N 116°19'59.999" E