title: Find time spent between 2 stamps in JavaScript
body: <p>I am looking for something in the specific format. The once that you linked are between dates. I am mechanical engineer working to get time spent for my machines and it can range from seconds to hours.</p>
  <p>Format of the time spent:</p>
  <p><strong>2021-10-07T12:44:10-0700</strong> ---- <strong>2021-10-07T12:47:12-0700</strong></p>