t</var> =</code> <strong class="def-name">isdatetime</strong> <code class="def-code-arguments">(<var class="var">x</var>)</code><a class="copiable-link" href="#index-isdatetime"> &para;</a></span></dt>
<dd>
<p>True if input is a <code class="code">datetime</code> array, false otherwise.
</p>
<p>Respects <code class="code">isdatetime</code> override methods on user-defined classes, even if
they do not inherit from <code class="code">datetime</code> or were known to Tablicious at
authoring time.
</p>
<p>Retur