我正在寻找一个函数转换日期在一个时区到另一个。

它需要两个参数,

日期(格式为“2012/04/10 10:10:30 +0000”) 时区字符串("Asia/Jakarta")

时区字符串在http://en.wikipedia.org/wiki/Zone.tab中描述

有什么简单的方法吗?


当前回答

做起来很简单:

const timeZone = Intl.DateTimeFormat().resolvedOptions().timeZone; console.log(时区); var d = new Date(); console.log (d。toLocaleString('en-US', {timeZone}));

其他回答

这是我的代码,它工作得很完美,你可以试试下面的演示:

$(document).ready(function() { //EST setInterval( function() { var estTime = new Date(); var currentDateTimeCentralTimeZone = new Date(estTime.toLocaleString('en-US', { timeZone: 'America/Chicago' })); var seconds = currentDateTimeCentralTimeZone.getSeconds(); var minutes = currentDateTimeCentralTimeZone.getMinutes(); var hours = currentDateTimeCentralTimeZone.getHours()+1;//new Date().getHours(); var am_pm = currentDateTimeCentralTimeZone.getHours() >= 12 ? "PM" : "AM"; if (hours < 10){ hours = "0" + hours; } if (minutes < 10){ minutes = "0" + minutes; } if (seconds < 10){ seconds = "0" + seconds; } var mid='PM'; if(hours==0){ //At 00 hours we need to show 12 am hours=12; } else if(hours>12) { hours=hours%12; mid='AM'; } var x3 = hours+':'+minutes+':'+seconds +' '+am_pm // Add a leading zero to seconds value $("#sec").html(x3); },1000); }); <!DOCTYPE html> <html> <head> <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script> </head> <body> <p class="date_time"><strong id="sec"></strong></p> </body> </html>

我最近在Typescript中做了这个:

// fromTimezone example : Europe/Paris, toTimezone example: Europe/London
private calcTime( fromTimezone: string, toTimezone: string, dateFromTimezone: Date ): Date {
  const dateToGetOffset = new Date( 2018, 5, 1, 12 );

  const fromTimeString = dateToGetOffset.toLocaleTimeString( "en-UK", { timeZone: fromTimezone, hour12: false } );
  const toTimeString = dateToGetOffset.toLocaleTimeString( "en-UK", { timeZone: toTimezone, hour12: false } );

  const fromTimeHours: number = parseInt( fromTimeString.substr( 0, 2 ), 10 );
  const toTimeHours: number = parseInt( toTimeString.substr( 0, 2 ), 10 );

  const offset: number = fromTimeHours - toTimeHours;

  // convert to msec
  // add local time zone offset
  // get UTC time in msec
  const dateFromTimezoneUTC = Date.UTC( dateFromTimezone.getUTCFullYear(),
    dateFromTimezone.getUTCMonth(),
    dateFromTimezone.getUTCDate(),
    dateFromTimezone.getUTCHours(),
    dateFromTimezone.getUTCMinutes(),
    dateFromTimezone.getUTCSeconds(),
  );

  // create new Date object for different city
  // using supplied offset
  const dateUTC = new Date( dateFromTimezoneUTC + ( 3600000 * offset ) );

  // return time as a string
  return dateUTC;
}

我使用“en-UK”格式,因为它是一个简单的。可能是"en-US"之类的。

如果第一个参数是本地时区,第二个参数是目标时区,它将返回一个具有正确偏移量的Date对象。

这是为我工作在React本机应用程序。

import moment from 'moment-timezone'

function convertTZ(date, tzString) {
  const formatedDate = moment(date).tz(tzString).format()
  return formatedDate
}

export {convertTZ}

好了,找到了!

我使用的是timezone-js。这是代码:

var dt = new timezoneJS.Date("2012/04/10 10:10:30 +0000", 'Europe/London');
dt.setTimezone("Asia/Jakarta");

console.debug(dt); //return formatted date-time in asia/jakarta

大多数浏览器都支持带参数的toLocaleString函数,旧的浏览器通常会忽略这些参数。

const str = new Date()。toLocaleString('en-US', {timeZone: '亚洲/雅加达'}); console.log (str);