diff --git a/webform.module b/webform.module
index 0c4ff15..b036c2a 100644
--- a/webform.module
+++ b/webform.module
@@ -3545,7 +3545,8 @@ function webform_strtodate($format, $string, $timezone_name = NULL) {
   if (variable_get('configurable_timezones', 1) && $timezone_name == 'user') {
     $timezone_name = isset($GLOBALS['user']->timezone) ? $GLOBALS['user']->timezone : 'UTC';
   }
-  elseif (empty($timezone_name) || $timezone_name == 'user') {
+  // If the timezone is still empty or not set, use the site timezone.
+  if (empty($timezone_name) || $timezone_name == 'user') {
     $timezone_name = variable_get('date_default_timezone', 'UTC');
   }