How long is the hollister spring clerance going to last?

i have a gift card to there and i got a email saying there is a gonig to be a spring clerance march 24 wich is toomrorow but i want to know if it will last till like next weekend or the weekend after that.Please tell me!I would really appreciate it.Also can you tell me how much the clothes are gong to be lol?!Thnx ;)