title: 30 minutes ago time format in Solaris
body: <p>I am writing the below command for 1 hour ago in Solaris format.</p>
  
  <pre><code>date +%Y-%m-%d-%H:%M:%S -M  "1 hour ago"
  </code></pre>
  
  <p>But I need half hour (30 minutes) ago format in Linux.</p>