timeZoneOffset){constutcTimestamp=localTimestamp+timeZoneOffset*60*1000;returnutcTimestamp;}constnewYorkOffset=-4*60*60*1000;constnewYorkTimestamp=convertToTimeZone(localTimestamp,newYorkOffset);console.log("当地时间的毫秒数:",localTimestamp);console.log("纽约时间的毫秒数:",new...
<html><head><script language="JavaScript">// function to calculate local time// in a different city// given the city's UTC offsetfunction calcTime(city, offset) {// create Date object for current locationd = new Date();// convert to msec// add local time zone offset// get UTC time...
const offsetDiff = targetOffset + localOffset; // 根据调整后的时间戳创建新的Date对象 const targetTime = new Date(currentTime + offsetDiff * 60 * 1000); return targetTime; } // 示例:将时区+8(北京时间)转换为本地时区 const targetTimezone = 8; const localTime = convertTimezoneToLoc...
localTime = d.getTime();第⼆步：下⼀步，通过Data()对象的getTimezoneOffset()⽅法来找出当地时间偏移值。在缺省情况下，此⽅法以分钟显⽰时区偏移值结果，因此在早先的计算中要将此值转换成毫秒。// obtain local UTC offset and convert to msec localOffset = d.getTimezoneOffset() * 60000;...
localTime = d.getTime(); 第二步: 下一步,通过Data()对象的getTimezoneOffset()方法来找出当地时间偏移值。在缺省情况下,此方法以分钟显示时区偏移值结果,因此在早先的计算中要将此值转换成毫秒。 // obtain local UTC offset and convert to msec ...
// convert to msec since Jan 1 1970 localTime = d.getTime(); 第二步: 下一步,通过Data()对象的getTimezoneOffset()方法来找出当地时间偏移值。在缺省情况下,此方法以分钟显示时区偏移值结果,因此在早先的计算中要将此值转换成毫秒。 // obtain local UTC offset and convert to msec ...
时区总是一件棘手的事情。您可以使用getUTCHours()，它返回世界时间，然后从那里出发，也可以使用诸如动量...
// convert to msec and add local time zone offset and get UTC time in msec var utc = now.getTime() + (now.getTimezoneOffset() * 60000); // create new Date object for different city using supplied offset var newTime = new Date(utc + (3600000 * cityOffset)); return newTime.toLoc...
// And finally, you can convert local time to UTC time. Either pass in // true as an additional argument (no argument skipping allowed in this case): dateFormat(now, "longTime", true); now.format("longTime", true); // Both lines return, e.g., 10:46:21 PM UTC // ...Or add...
getTimezoneOffset()Returns the time difference between UTC time and local time, in minutes getUTCDate()Returns the day of the month, according to universal time (from 1-31) getUTCDay()Returns the day of the week, according to universal time (from 0-6) ...