Index: core/kernel/globals.php
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- core/kernel/globals.php	(revision 15724)
+++ core/kernel/globals.php	(revision )
@@ -728,7 +728,7 @@
 	{
 		if ( version_compare(PHP_VERSION, '5.3.0', '<') ) {
 			$date = new DateTime('@' . $timestamp);
-			$date->setTimezone(new DateTimeZone(getenv('TZ')));
+			$date->setTimezone(new DateTimeZone(date_default_timezone_get()));
 		}
 		else {
 			$date = new DateTime();
\ No newline at end of file
Index: core/install.php
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- core/install.php	(revision 15716)
+++ core/install.php	(revision )
@@ -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;