title: Moment js add time and increment it
body: <p>I am sending hours and minute in format "12:02" and timezone as "GMT". I  want to set hours and minutes in moment js </p>
  
  <pre><code>var timeFormatSecond = moment.tz(zoneList[secondTimeZone])
  timeFormatSecond = timeFormatSecond.set({
    'hour' : secondDateTime.getHours(),
    'minute' : secondDateTime.getMinutes()
  });
  </code></pre>
  
  <p>But after couple of minutes when i do <code>timeFormatSecond.format('HH:mm')</code></p>
  
  <p>then it give hours and minutes what i have sent earlier.</p>