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---
title: Date.prototype.getUTCDate()
slug: Web/JavaScript/Reference/Global_Objects/Date/getUTCDate
translation_of: Web/JavaScript/Reference/Global_Objects/Date/getUTCDate
---
<div>{{JSRef("Global_Objects", "Date")}}</div>
<p><strong><code>getUTCDate()</code></strong> 方法以世界时为标准，返回一个指定的日期对象为一个月中的第几天</p>
<div>{{EmbedInteractiveExample("pages/js/date-getutcdate.html")}}</div>
<h2 id="Syntax">语法</h2>
<pre class="syntaxbox"><code><var>dateObj</var>.getUTCDate()</code></pre>
<h3 id="Parameters">参数</h3>
<p>无</p>
<h3 id="Returns">返回值</h3>
<p><code>getUTCDate()</code> 返回一个 1 到 31 的整数值</p>
<h2 id="Examples">例子</h2>
<h3 id="Example:_Using_getUTCDate">例子: 使用 <code>getUTCDate()</code> 方法</h3>
<p>下面的例子是把当前日期的天数部分赋值给变量 <code>day</code>.</p>
<pre class="brush: js">var today = new Date();
var day = today.getUTCDate();
</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.</td>
<td>Standard</td>
<td>Initial definition. Implemented in JavaScript 1.3.</td>
</tr>
<tr>
<td>{{SpecName('ES5.1', '#sec-15.9.5.15', 'Date.prototype.getUTCDate')}}</td>
<td>{{Spec2('ES5.1')}}</td>
<td> </td>
</tr>
<tr>
<td>{{SpecName('ES6', '#sec-date.prototype.getutcdate', 'Date.prototype.getUTCDate')}}</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>
<div>
<p>{{Compat("javascript.builtins.Date.getUTCDate")}}</p>
</div>
<h2 id="See_also">相关链接</h2>
<ul>
<li>{{jsxref("Date.prototype.getDate()")}}</li>
<li>{{jsxref("Date.prototype.getUTCDay()")}}</li>
<li>{{jsxref("Date.prototype.setUTCDate()")}}</li>
</ul>
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