网页获取服务器实时时间html代码

<!--获取ubuntu服务器时间的html代码，可直接加到php文件中使用-->
<center>
<span id="clock"><?php echo Now_Server_Time?>:Loading...</span>
<script>
var delta=new Date("<?php echo date("Y/m/d H:i:s")?>").getTime()-new Date().getTime();
function clock() {
var h,m,s,finalText,week,year,mon,day;
var realTime = new Date(new Date().getTime() + delta);
year = realTime.getYear() + 1900;
if (year > 3000) year-=1900;
mon = realTime.getMonth()+1;
day = realTime.getDate();
week = realTime.getDay();
h=realTime.getHours();
m=realTime.getMinutes();
s=realTime.getSeconds();
finalText="<?php echo Now_Server_Time?>: "+year+"/"+mon+"/"+day+" "+(h>=10?h:"0"+h)+":"+(m&
4000
gt;=10?m:"0"+m)+":"+(s>=10?s:"0"+s);
document.getElementById('clock').innerHTML=finalText;
setTimeout("clock()", 1000);
}
clock();
</script>
</center>