It's Summer Sale now!!
Summer sale of fashion labels usually starts in late June or early July until September in Hong Kong.
Shoppers can visit shopping malls like Harbour City & Sogo in Tsim Sha Tsui; Time Square, Sogo, Hysan Place in Causeway etc. There should be plenty of shops which are on sale. Also many of the shops open until 10pm so shoppers should have plenty of time to check them all out!