 The closing ceremony of the London 2012 Summer Olympics , also known as A Symphony of British Music , was held on 12 August in the Olympic Stadium . The closing ceremony was created by Kim Gavin , Es Devlin , Stephen Daldry , David Arnold and Mark Fisher . The worldwide broadcast began at 21 : 00 BST ( UTC + 1 ) and finished at 00 : 11 , lasting three hours and eleven minutes . 
