Index: branches/5.2.x/core/install.php
===================================================================
diff -u -N -r15601 -r15725
--- branches/5.2.x/core/install.php	(.../install.php)	(revision 15601)
+++ branches/5.2.x/core/install.php	(.../install.php)	(revision 15725)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: install.php 15601 2012-11-02 14:18:43Z alex $
+* @version	$Id: install.php 15725 2013-03-28 14:13:37Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -868,7 +868,7 @@
 						'DefaultEmailSender' => 'portal@' . $this->toolkit->getSystemConfig('Misc', 'Domain')
 					);
 
-					$site_timezone = ini_get('date.timezone') ? ini_get('date.timezone') : getenv('TZ');
+					$site_timezone = date_default_timezone_get();
 
 					if ($site_timezone) {
 						$config_values['Config_Site_Time'] = $site_timezone;