end {

  print "---------------------------------------------------------------- TIMEZONE";
  print "TZ is", ENV["TZ"];

  print "---------------------------------------------------------------- STRFTIME_LOCAL";
  print strftime_local(0.0, "%Y-%m-%d %H:%M:%S");
  print strftime_local(0.0, "%Y-%m-%d %H:%M:%3S");

  print strftime_local(0.0,      "%Y-%m-%d %H:%M:%S %Z");
  print strftime_local(0.0,      "%Y-%m-%d %H:%M:%S %z");
  print strftime_local(0.123456, "%Y-%m-%d %H:%M:%S %Z");
  print strftime_local(0.123456, "%Y-%m-%d %H:%M:%S %z");
  print strftime_local(0.0,      "%Y-%m-%d %H:%M:%S %Z");
  print strftime_local(0.0,      "%Y-%m-%d %H:%M:%S %z");

}