function uhr() {
  var hour , min , sec, hourOz;
  var aktuell = new Date();
  
  hour= aktuell.getHours ();
  if (hour < 10) {
    hour = "0"+hour;
  }



   // entweder 9+ (MESZ) oder 10+ (MEZ)
  hourOz= 10+aktuell.getHours();
  
  if (hourOz >= 24) {
    hourOz=(hourOz-24);
  }
  if (hourOz < 10) {
    hourOz = "0"+hourOz;
  }
  
  min= aktuell.getMinutes ();
  min = String(min);
  if (min.length ==1)
  {
  min = "0"+min;
  }
  
  sec= aktuell.getSeconds ();
  sec = String(sec);
  if (sec.length ==1)
  {
  sec = "0"+sec;
  }
  document.getElementById("zeit").innerHTML = "<span>"+hour +"</span>:<span>"+ min+"</span>:<span>"+sec+"</span>";
  document.getElementById("zeitoz").innerHTML = "<span>"+hourOz +"</span>:<span>"+ min+"</span>:<span>"+sec+"</span>";
  window.setTimeout ('uhr ()',1000);





}