title: Angular 4. Edge. toJSON() toLocaleTimeString() Incorrect values
body: <pre><code>toJSON() {
      return {
          "guaranteedTime": this.guaranteedTime.toLocaleTimeString("en-US"),
      }
  }
  </code></pre>
  
  <p>Request body:</p>
  
  <p><a href="https://i.stack.imgur.com/uuRt0.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/uuRt0.png" alt="enter image description here"></a></p>
  
  <p>Is anyone has an idea why it's happens?</p>