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Javascript 世界时区时间显示代码

　　本文标签：世界时区

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 
<html xmlns="http://www.w3.org/1999/xhtml"> 
<head> 
<meta content="text/html; charset=utf-8" http-equiv="Content-Type" /> 
<title>Javascript 世界時間時間顯示</title> 
<meta name="author" content="Geovin Du 塗聚文"/> 
</head> 
<body> 
<h1></h1> 
<div id="local"></div> 
<div id="localutc"></div> 
<div id="bombay"></div> 
<div id="singapore"></div> 
<div id="tokyo"></div> 
<div id="london"></div> 
<script language="javascript" type="text/javascript"> 
//https://gist.github.com/1326893https://gist.github.com/1326893 
//20120511 Geovin Du 塗聚文 
function calcTime(city, offset) { 
var d = new Date(); 
utc = d.getTime() + (d.getTimezoneOffset() * 60000); 
var nd = new Date(utc + (3600000 * offset)); 
var gmtTime = new Date(utc) 
var day = nd.getDate(); 
var month = nd.getMonth(); 
var year = nd.getYear(); 
var hr = nd.getHours(); //+ offset 
var min = nd.getMinutes(); 
var sec = nd.getSeconds(); 
if(year < 1000){ 
year += 1900 
} 
var monthArray = new Array("January", "February", "March", "April", "May", "June", "July", "August", 
"September", "October", "November", "December") 
var monthDays = new Array("31", "28", "31", "30", "31", "30", "31", "31", "30", "31", "30", "31") 
if (year%4 == 0){ 
monthDays = new Array("31", "29", "31", "30", "31", "30", "31", "31", "30", "31", "30", "31") 
} 
if(year%100 == 0 && year%400 != 0){ 
monthDays = new Array("31", "28", "31", "30", "31", "30", "31", "31", "30", "31", "30", "31") 
} 
if (hr >= 24){ 
hr = hr-24 
day -= -1 
} 
if (hr < 0){ 
hr -= -24 
day -= 1 
} 
if (hr < 10){ 
hr = " " + hr 
} 
if (min < 10){ 
min = "0" + min 
} 
if (sec < 10){ 
sec = "0" + sec 
} 
if (day <= 0){ 
if (month == 0){ 
month = 11 
year -= 1 
} 
else{ 
month = month -1 
} 
day = monthDays[month] 
} 
if(day > monthDays[month]){ 
day = 1 
if(month == 11){ 
month = 0 
year -= -1 
} 
else{ 
month -= -1 
} 
} 
return city+":The local time is"+monthArray[month] + " " + day + ", " + year + "<br>" + hr + ":" + min + ":" + sec 
//return "The local time in " + city + " is " + nd.toLocaleString()+; 
} 
function worldClockZone(){ 
document.getElementById(local).innerHTML = "The local time is " + (new Date()).toLocaleString(); 
document.getElementById(localutc).innerHTML = "The local time is " + (new Date()).toLocaleString(); 
document.getElementById(bombay).innerHTML = calcTime(bombay, +5.5); 
document.getElementById(singapore).innerHTML = calcTime(singapore, +8); 
document.getElementById(tokyo).innerHTML = calcTime(tokyo, +9); 
document.getElementById(london).innerHTML =calcTime(london, +1); 
setTimeout("worldClockZone()", 1000) 
} 
window.onload=worldClockZone; 
</script> 
<hr/> 
</address> 
 Last modified: Mon Oct 31 02:04:17 BRST 2011  
</body> 
</html>

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