<script>
function uhrzeit() {
 
	var sym_uhr = function(d_date) { 
		var d=new Date(d_date.getTime()-45*60*1000);
		var h=d.getHours();
		var m=d.getMinutes();
		if (h > 11 ) h -= 12;
		var	i=parseInt(m < 31 ? "90":"9C",16); // 1:00 : 1:30 
		var sym_enc="%F0%9F%95%"+ (i+1*h).toString(16);
		return decodeURI(" "+sym_enc+" ");
		} // sym_uhr()
 
	var d=new Date();	
	var s= sym_uhr(d) + d.toLocaleString();
	alert(s);
	return s;
	}
</script>