datesubdate(now(), E2, "h") + ":" + datesubdate(now(), E2, "m") % 60 + ":" + datesubdate(now(), E2, "s") % 60
format(datesubdate(now(), E2, "h"),"00") + ":" + format(datesubdate(now(), E2, "m") % 60 ,"00")+ ":" + format(datesubdate(now(), E2, "s") % 60,"00")