DateUtil = {} function DateUtil.ParseHHMMSSBySeconds(seconds) local hh="" local mm="" local ss="" local hours = math.floor(seconds/3600) if(hours>0) then seconds = seconds - hours*3600 hh = string.format("%02d:",hours) end local minutes = math.floor(seconds/60) if(minutes>0) then seconds = seconds - minutes*60 mm = string.format("%02d:",minutes) end ss = string.format("%02d",seconds) return hh..mm..ss end