datetimepicker jquery

JavaScript
<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>jQuery UI Datepicker - Default functionality</title>
  <link rel="stylesheet" href="//code.jquery.com/ui/1.12.1/themes/base/jquery-ui.css">
  <link rel="stylesheet" href="/resources/demos/style.css">
  <script src="https://code.jquery.com/jquery-1.12.4.js"></script>
  <script src="https://code.jquery.com/ui/1.12.1/jquery-ui.js"></script>
  <script>
 
  </script>
</head>
<body>
 
<p>Date: <input type="text" id="datepicker"></p>
 
 
</body>
</html>
############### JS ##############  
1. npm i jquery-datetimepicker

2. Include inside js file

import "jquery-datetimepicker";

$('#datetimepicker').datetimepicker();

############## CSS ###################

3. Include inside css/scss file

@import "jquery-datetimepicker/build/jquery.datetimepicker.min.css";
<link rel="stylesheet" href="//cdnjs.cloudflare.com/ajax/libs/timepicker/1.3.5/jquery.timepicker.min.css"><div class="em-date-range">From
 <input class="em-date-input-loc em-date-start" type="text" name="ticket_start_pub" />
 <input class="em-date-input" type="hidden" name="ticket_start" />
 to
 <input class="em-date-input-loc em-date-end" type="text" name="ticket_end_pub" />
 <input class="em-date-input" type="hidden" name="ticket_end" /></div>

Source

Also in JavaScript: