create a clock with minute and second for the countdown timer. Clock countdown can create by the plugins but I show you the below code for creating the same.
HTML
<div class="watchCallIconTiming"><span id="minTimmer">19</span> : <span id="secTimmer">17</span></div>
jQuery
<script type="text/javascript" src="https://code.jquery.com/jquery-3.5.1.min.js"></script> <script type="text/javascript"> var i = 00; var m = 11 ; setInterval(function(){ i++; if(i < 61){ if( i < 10){ jQuery('#secTimmer').html('0'+i); }else{ jQuery('#secTimmer').html(i); } }else if( i > 61){ i = 00; jQuery('#secTimmer').html(i); } },1000); setInterval(function(){ m++; if(m < 61){ jQuery('#minTimmer').html(m); }else if( m > 61){ m = 11; jQuery('#minTimmer').html(m); } },60*1000); jQuery('#secTimmer').html(i); jQuery('#minTimmer').html(m); }); </script>