mpatibility<a class="copiable-link" href="#Datenum-Compatibility-1"> &para;</a></span></h4>

<p>While the underlying data representation of <code class="code">datetime</code> is compatible with
(in fact, identical to) that of datenums, you cannot directly combine them
via assignment, concatenation, or most arithmetic operations.
</p>
<p>This is because of the signature of the <code class="code">datetime</code> constructor. When combining
objects and primitive types like <code class="code">double</code>, the