Question

I want to show clock on jsp file, the time is fetched from server and is in 05 Jun, 2012 12:48:23 PM format I want the same time to be updated rather than taking client time.

i did tried my hands on timer.js, jtimer and some other API’s to do the same. I can do it by splitting the things and writing the whole clock logic myself but want to reuse the API that has already been developed.

Answer 1

i using this for many years:

<script type="text/javascript">

// Current Server Time script (SSI or PHP)- By JavaScriptKit.com (http://www.javascriptkit.com)
// For this and over 400+ free scripts, visit JavaScript Kit- http://www.javascriptkit.com/
// This notice must stay intact for use.

//Depending on whether your page supports SSI (.shtml) or PHP (.php), UNCOMMENT the line below your page supports and COMMENT the one it does not:
//Default is that SSI method is uncommented, and PHP is commented:

var currenttime = '<!--#config timefmt="%B %d, %Y %H:%M:%S"--><!--#echo var="DATE_LOCAL" -->' //SSI method of getting server date
//var currenttime = '<? print date("F d, Y H:i:s", time())?>' //PHP method of getting server date

///////////Stop editting here/////////////////////////////////

var montharray=new Array("January","February","March","April","May","June","July","August","September","October","November","December")
var serverdate=new Date(currenttime)

function padlength(what){
var output=(what.toString().length==1)? "0"+what : what
return output
}

function displaytime(){
serverdate.setSeconds(serverdate.getSeconds()+1)
var datestring=montharray[serverdate.getMonth()]+" "+padlength(serverdate.getDate())+", "+serverdate.getFullYear()
var timestring=padlength(serverdate.getHours())+":"+padlength(serverdate.getMinutes())+":"+padlength(serverdate.getSeconds())
document.getElementById("servertime").innerHTML=datestring+" "+timestring
}

window.onload=function(){
setInterval("displaytime()", 1000)
}

</script>

<p><b>Current Server Time:</b> <span id="servertime"></span></p>

<p style="font: normal 11px Arial">This free script provided by<br />
<a href="http://www.javascriptkit.com">JavaScript Kit</a></p>

for more informations see this