convert unix timestamp to hh:ii

function convertToTime(unix_timestamp) {
  var date = new Date(unix_timestamp * 1000);
  var hours = date.getHours();
  var minutes = "0" + date.getMinutes();
  var seconds = "0" + date.getSeconds();
  var formattedTime = hours + ':' + minutes.substr(-2) + ':' + seconds.substr(-2);
  return formattedTime;
}
convertToTime(1541516140)