blocks|key|558004|text|var+timedifference+=+new+Date().getTimezoneOffset();|type|code-block|depth|inlineStyleRanges|entityRanges|data|syntax|javascript|558005|这将返回来自UTC时间的客户端时区的差异。然后你可以随心所欲地玩它。|unstyled|558006|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$B|C]]|$1|D|3|E|5|F|7|J|8|@]|9|@]|A|$]]|$1|G|3|-4|5|F|7|K|8|@]|9|@]|A|$]]]|H|$]]

<pre><code>var timedifference = new Date().getTimezoneOffset();
</code></pre>

This returns the difference from the clients timezone from UTC time. 
You can then play around with it as you like.

blocks|key|558034|text|当使用moment.js时，请使用：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|558035|var+tz+=+moment.tz.guess();|code-block|syntax|javascript|558036|它将返回IANA时区标识符，例如美国太平洋时区的America/Los_Angeles。|offset|length|style|CODE|558037|是记录在这里。|558038|在内部，它首先尝试使用以下调用从浏览器获取时区：|558039|Intl.DateTimeFormat().resolvedOptions().timeZone|558040|如果您只针对支持此功能的现代浏览器，并且不需要任何其他的时间域，那么您可以直接调用它。|558041|如果Timezone没有从该函数获得有效的结果，或者该函数不存在，那么它将通过对Date对象测试几个不同的日期和时间来“猜测”时区，以查看它的行为。猜测通常是一个很好的近似，但不能保证完全匹配计算机的时区设置。|558042|entityMap|0|LINK|mutability|MUTABLE|url|http://momentjs.com/timezone/docs/#/using-timezones/guessing-user-timezone/^0|0|0|O|J|0|1|5|0|0|0|0|0|14|4|0^^$0|@$1|2|3|4|5|6|7|14|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|15|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|16|8|@$I|17|J|18|K|L]]|9|@]|A|$]]|$1|M|3|N|5|6|7|19|8|@]|9|@$I|1A|J|1B|1|1C]]|A|$]]|$1|O|3|P|5|6|7|1D|8|@]|9|@]|A|$]]|$1|Q|3|R|5|D|7|1E|8|@]|9|@]|A|$E|F]]|$1|S|3|T|5|6|7|1F|8|@]|9|@]|A|$]]|$1|U|3|V|5|6|7|1G|8|@$I|1H|J|1I|K|L]]|9|@]|A|$]]|$1|W|3|-4|5|6|7|1J|8|@]|9|@]|A|$]]]|X|$Y|$5|Z|10|11|A|$12|13]]]]

When using moment.js, use:

<pre><code>var tz = moment.tz.guess();
</code></pre>

It will return an IANA time zone identifier, such as <code>America/Los_Angeles</code> for the US Pacific time zone.

It is <a href="http://momentjs.com/timezone/docs/#/using-timezones/guessing-user-timezone/" rel="noreferrer">documented here</a>.

Internally, it first tries to get the time zone from the browser using the following call:

<pre><code>Intl.DateTimeFormat().resolvedOptions().timeZone
</code></pre>

If you are targeting only modern browsers that support this function, and you don't need Moment-Timezone for anything else, then you can just call that directly.

If Moment-Timezone doesn't get a valid result from that function, or if that function doesn't exist, then it will "guess" the time zone by testing several different dates and times against the <code>Date</code> object to see how it behaves. The guess is usually a good enough approximation, but not guaranteed to exactly match the time zone setting of the computer.

blocks|key|750509|text|所有当前的答案都提供当前时间的偏移量差异，而不是给定的日期。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|750510|moment(date).utcOffset()在作为参数传递的日期返回浏览器时间与UTC+之间的时间差(如果没有日期，则返回时差)。|offset|length|style|CODE|BOLD|750511|下面是一个函数，用于在选定日期解析正确的偏移量：|750512|function+getUtcOffset(date)+{
++return+moment(date)
++++.subtract(
++++++moment(date).utcOffset(),+
++++++'minutes')
++++.utc()
}|code-block|syntax|javascript|750513|entityMap^0|0|0|O|1A|L|0|0|O|0|0^^$0|@$1|2|3|4|5|6|7|R|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|S|8|@$D|T|E|U|F|G]|$D|V|E|W|F|H]]|9|@]|A|$]]|$1|I|3|J|5|6|7|X|8|@$D|Y|E|Z|F|H]]|9|@]|A|$]]|$1|K|3|L|5|M|7|10|8|@]|9|@]|A|$N|O]]|$1|P|3|-4|5|6|7|11|8|@]|9|@]|A|$]]]|Q|$]]

All current answers provide the offset differece at current time, not at a given date.

<code>moment(date).utcOffset()</code> returns the time difference in minutes between browser time and UTC at the date passed as argument (or today, if no date passed). 

Here's a function to parse correct offset at the picked date: 

<pre><code>function getUtcOffset(date) {
 return moment(date)
 .subtract(
 moment(date).utcOffset(), 
 'minutes')
 .utc()
}
</code></pre>

blocks|key|558089|text|您还可以使用以下JS代码获得所需的时间：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|558090|new+Date(`${post.data.created_at}+GMT%2B0200`)|code-block|syntax|javascript|558091|在本例中，我收到的日期位于GMT%2B0200时区。取而代之的是每一个时区。返回的数据将是时区中的日期。希望这能帮助任何人节省时间。|558092|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|K|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|L|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|M|8|@]|9|@]|A|$]]|$1|I|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|J|$]]

You can also get your wanted time using the following JS code:

<pre><code>new Date(`${post.data.created_at} GMT+0200`)
</code></pre>

In this example, my received dates were in GMT+0200 timezone. Instead of it can be every single timezone. And the returned data will be the date in your timezone. Hope this will help anyone to save time

blocks|key|38213|text|使用+their+库，请参阅他们的网站->+https://momentjs.com/timezone/docs/#/using-timezones/converting-to-zone/|type|unstyled|depth|inlineStyleRanges|offset|length|style|BOLD|entityRanges|data|38214|我注意到他们也在自己的网站上使用自己的库，所以在安装之前可以尝试使用浏览器控制台。|38215|moment().tz(String);

The+moment#tz+mutator+will+change+the+time+zone+and+update+the+offset.

moment("2013-11-18").tz("America/Toronto").format('Z');+//+-05:00
moment("2013-11-18").tz("Europe/Berlin").format('Z');+++//+%2B01:00

This+information+is+used+consistently+in+other+operations,+like+calculating+the+start+of+the+day.

var+m+=+moment.tz("2013-11-18+11:55",+"America/Toronto");
m.format();+++++++++++++++++++++//+2013-11-18T11:55:00-05:00
m.startOf("day").format();++++++//+2013-11-18T00:00:00-05:00
m.tz("Europe/Berlin").format();+//+2013-11-18T06:00:00%2B01:00
m.startOf("day").format();++++++//+2013-11-18T00:00:00%2B01:00

Without+an+argument,+moment#tz+returns:

++++the+time+zone+name+assigned+to+the+moment+instance+or
++++undefined+if+a+time+zone+has+not+been+set.

var+m+=+moment.tz("2013-11-18+11:55",+"America/Toronto");
m.tz();++//+America/Toronto
var+m+=+moment.tz("2013-11-18+11:55");
m.tz()+===+undefined;++//+true|code-block|syntax|javascript|38216|entityMap|0|LINK|mutability|MUTABLE|url|https://momentjs.com/timezone/docs/#/using-timezones/converting-to-zone/^0|2|7|M|20|0|0|0|0^^$0|@$1|2|3|4|5|6|7|U|8|@$9|V|A|W|B|C]]|D|@$9|X|A|Y|1|Z]]|E|$]]|$1|F|3|G|5|6|7|10|8|@]|D|@]|E|$]]|$1|H|3|I|5|J|7|11|8|@]|D|@]|E|$K|L]]|$1|M|3|-4|5|6|7|12|8|@]|D|@]|E|$]]]|N|$O|$5|P|Q|R|E|$S|T]]]]

Using Moment library, see their website -> <a href="https://momentjs.com/timezone/docs/#/using-timezones/converting-to-zone/" rel="noreferrer">https://momentjs.com/timezone/docs/#/using-timezones/converting-to-zone/</a>

i notice they also user their own library in their website, so you can have a try using the browser console before installing it 

<pre><code>moment().tz(String);

The moment#tz mutator will change the time zone and update the offset.

moment("2013-11-18").tz("America/Toronto").format('Z'); // -05:00
moment("2013-11-18").tz("Europe/Berlin").format('Z'); // +01:00

This information is used consistently in other operations, like calculating the start of the day.

var m = moment.tz("2013-11-18 11:55", "America/Toronto");
m.format(); // 2013-11-18T11:55:00-05:00
m.startOf("day").format(); // 2013-11-18T00:00:00-05:00
m.tz("Europe/Berlin").format(); // 2013-11-18T06:00:00+01:00
m.startOf("day").format(); // 2013-11-18T00:00:00+01:00

Without an argument, moment#tz returns:

 the time zone name assigned to the moment instance or
 undefined if a time zone has not been set.

var m = moment.tz("2013-11-18 11:55", "America/Toronto");
m.tz(); // America/Toronto
var m = moment.tz("2013-11-18 11:55");
m.tz() === undefined; // true
</code></pre>

blocks|key|558118|text|如果用户的时区是您想要的，那么|type|unstyled|depth|inlineStyleRanges|entityRanges|data|558119|const+localtz+=+moment.tz.guess()+//+returns+user's+timezone|code-block|syntax|javascript|558120|此外，如果您想使用它，那么将时间戳转换为用户时区的最佳方法是|558121|const+time+=+moment.tz(response.timestamp)
const+localtz+=+moment.tz.guess()+//+user's+timezone
const+date+=+time.clone().tz(localtz)+//+convert+time+to+user's+timezone|558122|这里，localtz是用户的时区，使用它，我们可以将时间戳转换为用户的本地时间|offset|length|style|CODE|558123|entityMap^0|0|0|0|0|3|7|0^^$0|@$1|2|3|4|5|6|7|S|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|T|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|U|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|V|8|@]|9|@]|A|$E|F]]|$1|K|3|L|5|6|7|W|8|@$M|X|N|Y|O|P]]|9|@]|A|$]]|$1|Q|3|-4|5|6|7|Z|8|@]|9|@]|A|$]]]|R|$]]

if the user's timezone is all you wanted then
<pre><code>const localtz = moment.tz.guess() // returns user's timezone
</code></pre>
Additionally if you wanted to use it then the best way to convert a timestamp to user's timezone is
<pre><code>const time = moment.tz(response.timestamp)
const localtz = moment.tz.guess() // user's timezone
const date = time.clone().tz(localtz) // convert time to user's timezone
</code></pre>
here <code>localtz</code> is the user's timezone and using it we can convert the timestamp to user's local time

blocks|key|558125|text|首先，您可以使用以下方法查找客户端时区|type|unstyled|depth|inlineStyleRanges|entityRanges|data|558126|let+zoneVal+=++moment().tz(Intl.DateTimeFormat().resolvedOptions().timeZone).format('Z')|offset|length|style|CODE|558127|它将返回GMT区域格式，例如%2B5:30+(科伦坡/srilanka&德里/印度)或%2B6:00(孟加拉国达卡)，这取决于您所在的区域。|558128|其次，如果您想找出特定时区的时间，请执行以下操作|558129|moment.tz("Asia/Dhaka").format()|558130|它将返回达卡ISO格式的时区值。|558131|entityMap^0|0|0|2G|0|0|0|0|W|0|0^^$0|@$1|2|3|4|5|6|7|R|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|S|8|@$D|T|E|U|F|G]]|9|@]|A|$]]|$1|H|3|I|5|6|7|V|8|@]|9|@]|A|$]]|$1|J|3|K|5|6|7|W|8|@]|9|@]|A|$]]|$1|L|3|M|5|6|7|X|8|@$D|Y|E|Z|F|G]]|9|@]|A|$]]|$1|N|3|O|5|6|7|10|8|@]|9|@]|A|$]]|$1|P|3|-4|5|6|7|11|8|@]|9|@]|A|$]]]|Q|$]]

First, you can find out the clients time zone using the following
<code>let zoneVal = moment().tz(Intl.DateTimeFormat().resolvedOptions().timeZone).format('Z')</code>
it will return you the GMT zone format for example +5:30 (colombo/srilanka &amp; Delhi/India) or +6:00(Dhaka Bangladesh) depending on the region you are in.
secondly,
if you want to find out the time of a particular time zone , then do the following
<code>moment.tz(&quot;Asia/Dhaka&quot;).format()</code>
which will return you the time zone value in ISO format of Dhaka.

blocks|key|558179|text|使用即时时区，您可以轻松地获得本地日期时间。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|558180|moment().utcOffset(0,+true).format()|code-block|syntax|javascript|558181|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

Using moment timezone you can get easily your local date-time
<pre><code>moment().utcOffset(0, true).format()
</code></pre>

What is the best way to get client's timezone and convert it to some other timezone when using moment.js and moment-timezone.js

I want to find out what is clients timezone and later convert his date and time into some other timezone.

Does anybody has experience with this?

Get timezone from users browser using moment(timezone).js

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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当使用moment.js和time-timezone.js时，获得客户端时区并将其转换为其他时区的最佳方法是什么？我想找出什么是客户端时区，然后将他的日期和时间转换成其他时区。有人有这方面的经验吗？

问使用矩(时区).js从用户浏览器获取时区
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