ok, so you know that mervyn's labor day sale? well if you don't i will soon give you a link about it. anyways, there's this ad, it says labor day sale, except the ad also says "shop thursday, friday, and saturday!" but labor day is on a monday, so when is the sale?

here's the link to the ad:

http://mervyns.shoplocal.com/mervyns/default.aspx?action=entry&pretailerid=-99938&siteid=154&storeid=2316016