---
title: Date.prototype.toUTCString()
slug: Web/JavaScript/Reference/Global_Objects/Date/toUTCString
translation_of: Web/JavaScript/Reference/Global_Objects/Date/toUTCString
---
<div>{{JSRef("Global_Objects", "Date")}}</div>

<p><code><strong>toUTCString()</strong></code> 方法把一个日期转换为一个字符串，使用UTC时区。</p>

<div>{{EmbedInteractiveExample("pages/js/date-toutcstring.html")}}</div>



<h2 id="Syntax" name="Syntax">语法</h2>

<pre class="syntaxbox"><var>dateObj</var>.toUTCString()</pre>

<h3 id="Parameters" name="Parameters">返回值</h3>

<p>返回使用UTC时区表示给定日期的字符串</p>

<p> </p>

<h2 id="Description" name="Description">描述</h2>

<p><code>toUTCString</code> 的返回值是一个使用UTC时区的易读格式字符串。返回值的格式可能随平台而变化。通常返回值是一个 RFC-1123 格式的时间戳，这是一个 RFC-822 时间戳的小幅更新版。</p>

<h2 id="Examples" name="Examples">例子</h2>

<h3 id="Example:_Using_toUTCString" name="Example:_Using_toUTCString">例子：使用<code>toUTCString</code></h3>

<pre>var today = new Date();
var UTCstring = today.toUTCString();
// Mon, 03 Jul 2006 21:44:38 GMT
</pre>

<h2 id="规范">规范</h2>

<table class="standard-table">
 <tbody>
  <tr>
   <th scope="col">规范版本</th>
   <th scope="col">规范状态</th>
   <th scope="col">注解</th>
  </tr>
  <tr>
   <td>ECMAScript 1st Edition. Implemented in JavaScript 1.3</td>
   <td>Standard</td>
   <td>Initial definition.</td>
  </tr>
  <tr>
   <td>{{SpecName('ES5.1', '#sec-15.9.5.42', 'Date.prototype.toUTCString')}}</td>
   <td>{{Spec2('ES5.1')}}</td>
   <td> </td>
  </tr>
  <tr>
   <td>{{SpecName('ES6', '#sec-date.prototype.toutcstring', 'Date.prototype.toUTCString')}}</td>
   <td>{{Spec2('ES6')}}</td>
   <td> </td>
  </tr>
 </tbody>
</table>

<h2 id="浏览器兼容性">浏览器兼容性</h2>

<p class="hidden">The compatibility table in this page is generated from structured data. If you'd like to contribute to the data, please check out <a href="https://github.com/mdn/browser-compat-data">https://github.com/mdn/browser-compat-data</a> and send us a pull request.</p>

<p>{{Compat("javascript.builtins.Date.toUTCString")}}</p>

<h2 id="See_Also" name="See_Also">相关链接</h2>

<ul>
 <li>{{jsxref("Date.prototype.toLocaleString()")}}</li>
 <li>{{jsxref("Date.prototype.toDateString()")}}</li>
 <li>{{jsxref("Date.prototype.toISOString()")}}</li>
</ul>