From December 10-17 Weldon Library will be open 24 hours a day, 7 days a week. In addition Weldon will be open until 2 a.m. December 8-9 and December 18-20.
Taylor Library will be open until midnight from December 8-20.
http://www.lib.uwo.ca/news/wl/2010/11/24/247libraryhoursareback.html