ia-hidden="true" tabindex="-1"></a><span class="co"># dates.ceil("M") # ValueError: &lt;MonthEnd&gt; is a non-fixed frequency</span></span>
<span id="cb4-3"><a href="#cb4-3" aria-hidden="true" tabindex="-1"></a></span>
<span id="cb4-4"><a href="#cb4-4" aria-hidden="true" tabindex="-1"></a><span class="co"># Works on Month</span></span>
<span id="cb4-5"><a href="#cb4-5" aria-hidden="true" tabindex="-1"></a>tk.ceil_date(dates, unit<span class="op">=</span><span class="st">"M"</span>)</span></code><button titl