title: AWS cron expression to run every month, every 3 months and once a year
body: <p>I'm trying to create CRON expressions in YAML:</p>
  <pre><code>1. AWS Cron expression to run at 6AM every month: This what I have: cron(0 6 1 * ? *)
  2. Run every 3 months
  3. Run once a year in January
  </code></pre>
  <p>Can someone please help with this. Appreciate it greatly</p>