title: Getting the EPOCH time for a custom date values in bash
body: <p>I need to write a bash function to return the EPOCH time for a custom date, in the future.</p>
  
  <p>I use date and time in the formats;</p>
  
  <pre><code>date=20130122 # i.e. 2013 01 22
  time=1455     # i.e. 14:55
  </code></pre>
  
  <p>Can I get the EPOCH time with these values?</p>
  
  <p>Does anyone know a solution?</p>