<html>

 <head>
<script language="javascript" src="serverDate.js"></script>

</head>

 <script language="javascript">
 // var localTime = new Date();
 // document.write("Local machine time is: " + localTime + "<br>");

var dateString = date;
var myDate = new Date(dateString);
var final_date = myDate.getDate();


//document.write("Server time is: " + final_date);
  </script>



<body>

<script>


        function autoRefresh() {
            window.location = window.location.href;
        }
        setInterval('autoRefresh()', 30000);


let now = new Date();
let day = now.getDate(); 
let image = final_date + "av.jpg"

document.body.style.background = "url("+image+")";
document.body.style.backgroundSize = "cover";


</script>
</body>
</html>