Fixed a bug in the Email library where some timezones were calculated incorrectly.
diff --git a/system/libraries/Email.php b/system/libraries/Email.php
index d8ab472..4cd9308 100644
--- a/system/libraries/Email.php
+++ b/system/libraries/Email.php
@@ -602,7 +602,7 @@
$timezone = date("Z");
$operator = (substr($timezone, 0, 1) == '-') ? '-' : '+';
$timezone = abs($timezone);
- $timezone = ($timezone/3600) * 100 + ($timezone % 3600) /60;
+ $timezone = floor($timezone/3600) * 100 + ($timezone % 3600 ) / 60;
return sprintf("%s %s%04d", date("D, j M Y H:i:s"), $operator, $timezone);
}