Highcharts Demo

author(s): Torstein Hønsi

HTML

<h1 id="txt"></h1>

JavaScript

startTime();
function startTime() {
            var today = new Date();
            var h = today.getHours();
            var min = today.getMinutes();
            var s = today.getSeconds();
            var y = today.getFullYear();
            var mon = today.getMonth()+1;
            var d = today.getDate();
            min = checkTime(min);
            s = checkTime(s);
            mon = checkTime(mon);
            d = checkTime(d);
            document.getElementById('txt').innerHTML = " "+ d + "/" + mon + "/" +y + "  " + h + ":" + min + ":" + s + " SGT ";
            var t = setTimeout(startTime, 500);
        }
        function checkTime(i) {
            if (i < 10) {i = "0" + i};  // add zero in front of numbers < 10
            return i;
        }