Half-price, same-day tickets for many local and touring stage shows go on sale (cash only) at 11 AM Tuesday through Saturday at the TIX Bay Area booth on Union Square. TIX is also a full-service ticket agency for theater and music events around the Bay Area, open 11-6 Tuesday through Thursday, 11-7 Friday, 10-7 Saturday, and 10-3 Sunday. Half-price ticket sales begin at 11 AM on weekends.