title: convert string to ISO date time in nodejs
body: <p>Convert this date into ISO format in nodejs</p>
  
  <pre><code>     created_at="September 17th 2019, 16:50:17.000";  
       let new_time = new Date(created_at);
       created_at = new_time.toISOString();
       console.log(created_at);
  </code></pre>
  
  <p>Output: Invalid Date</p>
  
  <p>Exacting output is in ISO format. like this 2011-10-05T14:48:00.000Z</p>