title: Time zones `Etc/GMT`, why it is other way round?
body: <p>Time zones in php work like this <a href="https://www.gsp.com/support/virtual/admin/unix/tz/gmt/" rel="noreferrer">https://www.gsp.com/support/virtual/admin/unix/tz/gmt/</a></p>
  
  <p>and when it named <code>Etc/GMT+11</code> it actually <code>GMT-11</code></p>
  
  <p>and when it named <code>Etc/GMT-11</code> it actually <code>GMT+11</code></p>
  
  <p>Why? And what does it mean <code>Etc/GMT</code>?</p>
  
  <p>I find it in PHP, is it a bug in PHP or is it everywhere?</p>