analog clock

<!DOCTYPE HTML>
<html>
<head>
<title>Analog Clock</title>
<script>
function updateTime() {
var now = new Date();
var min = now.getMinutes();
var hour = (now.getHours() % 12) + min/60;
var minangle = min*6;
var hourangle = hour*30;
var minhand = document.getElementById("minutehand");
var hourhand = document.getElementById("hourhand");
minhand.setAttribute("transform", "rotate(" + minangle + ",50,50)");
hourhand.setAttribute("transform", "rotate(" + hourangle + ",50,50)");
setTimeout(updateTime, 60000);
}
</script>
<style>
#clock {
stroke: black;
stroke-linecap: round;
fill: #eef;
}
#face { stroke-width: 3px;}
#ticks { stroke-width: 2; }
#hourhand {stroke-width: 5px;}
#minutehand {stroke-width: 3px;}
#numbers {
font-family: sans-serif; font-size: 7pt; font-weight: bold;
text-anchor: middle; stroke: none; fill: black;
}
</style>
</head>
<body onload="updateTime()">
<svg id="clock" viewBox="0 0 100 100" width="500" height="500">
<defs> <!-- Einen Filter fu ̈r Schlagschatten definieren. -->
<filter id="shadow" x="-50%" y="-50%" width="200%" height="200%">
<feGaussianBlur in="SourceAlpha" stdDeviation="1" result="blur" />
<feOffset in="blur" dx="1" dy="1" result="shadow" />
<feMerge>
<feMergeNode in="SourceGraphic"/><feMergeNode in="shadow"/>

</feMerge>
</filter>
</defs>
<circle id="face" cx="50" cy="50" r="45"/>
<g id="ticks">
<line x1='50' y1='5.000' x2='50.00' y2='10.00'/>
<line x1='72.50' y1='11.03' x2='70.00' y2='15.36'/>
<line x1='88.97' y1='27.50' x2='84.64' y2='30.00'/>
<line x1='95.00' y1='50.00' x2='90.00' y2='50.00'/>
<line x1='88.97' y1='72.50' x2='84.64' y2='70.00'/>
<line x1='72.50' y1='88.97' x2='70.00' y2='84.64'/>
<line x1='50.00' y1='95.00' x2='50.00' y2='90.00'/>
<line x1='27.50' y1='88.97' x2='30.00' y2='84.64'/>
<line x1='11.03' y1='72.50' x2='15.36' y2='70.00'/>
<line x1='5.000' y1='50.00' x2='10.00' y2='50.00'/>
<line x1='11.03' y1='27.50' x2='15.36' y2='30.00'/>
<line x1='27.50' y1='11.03' x2='30.00' y2='15.36'/>
</g>
<g id="numbers">
<text x="50" y="18">12</text><text x="85" y="53">3</text>
<text x="50" y="88">6</text><text x="15" y="53">9</text>
</g>
<g id="hands" filter="url(#shadow)">
<line id="hourhand" x1="50" y1="50" x2="50" y2="24"/>
<line id="minutehand" x1="50" y1="50" x2="50" y2="20"/>
</g>
</svg>
</body>
</html>