Javascript 世界时区时间显示代码

<!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> <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> <!-- hhmts start --> Last modified: Mon Oct 31 02:04:17 BRST 2011 <!-- hhmts end --> </body> </html>
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