Someone might want to run this test in another timezone

hphp/test/vm/ext.php

@@ -2,6 +2,7 @@
 
 function main() {
   $date = new DateTime("now");
+  $date->setTimezone(new DateTimeZone('America/Los_Angeles'));
   $tz = $date->getTimezone();
   print $tz->getName() . "\n";
 }