title: how to set cron job every 2 hours in difference time? [cron version ^1.1.0]
body: <p>i want to set the cron job every 2 hours in difference time</p>
  
  <p>lets say current time is 1 PM so the example what i want is :</p>
  
  <p>1st cron job run hours : 1 PM , 3 PM , 5 PM , 7 PM , etc</p>
  
  <p>2nd cron job run hours : 2 PM , 4 PM , 6 PM , 8 PM , etc</p>
  
  <pre><code>new CronJob('0 0 */2 * * *', function() {
      ...
  }, null, true);
  </code></pre>
  
  <p>how can i modify this cronjob ? Thanks</p>