title: How to set timezone in gnuplot?
body: <p>I have a simple gnuplot command file:</p>
  
  <pre><code> ....
  set xdata time
  set timefmt "%s"
  set format x "%H:%M"
  ....
  </code></pre>
  
  <p>where x - timestamp column. </p>
  
  <p>Result - time in UTC format. Can I change local timezome for x axis ?</p>