Javascript 世界时区时间显示代码

Javascript 世界時間時間顯示












//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 monthDays[month]){
day = 1
if(month == 11){
month = 0
year -= -1
}
else{
month -= -1
}
}
return city+":The local time is"+monthArray[month] + " " + day + ", " + year + "
" + 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;



Last modified: Mon Oct 31 02:04:17 BRST 2011

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