p:calendar not working if mindate is specified and pattern in "hh:mm a" instead of "HH:mm a"
<p>I am using following  code to show a p:calendar with restricted minimum date.</p>

<pre><code>&lt;p:calendar pattern="dd-MMM-yyyy hh:mm a"
                    value="#{view.transactionDate}"
                    mindate="#{view.lastTransactionDate}"&gt;
&lt;/p:calendar&gt;
</code></pre>

<p>This used to work in primesfaces 3.5</p>

<p>Recently I upgraded to Primefaces 5.3 with JSF-api 2.2.12</p>

<p>The Date Select popup is not showing if I click on the date text box.</p>

<p>If I change the time pattern to <code>HH:mm</code>  instead of <code>hh:mm a</code>, this works. 
Anyone having anyidea how to fix this?</p>

<p>All the Date Objects are <code>java.util.Date</code> and I instantiate using <code>calendar.getTime()</code></p>