title: Date is incorrectly showing as British Summer Time
body: <p>I am currently in the UK.</p>
  <p>I am obtaining a date from my api which is the following string value = <code>&quot;2021-06-15T21:00:00Z&quot;</code>.
  But when I want to convert this to a Date object using:</p>
  <pre><code>let formattedStartDateTime: Date = new Date(&quot;2021-06-15T21:00:00Z&quot;);
  </code></pre>
  <p>I get the following result = <code>Tue Jun 15 2021 22:00:00 GMT+0100 (British Summer Time).</code></p>
  <p>Why am I getting British Summer Time? I'm running this today so I would expect it to be <code>GMT+0000</code></p>