Index: renderer.php
===================================================================
RCS file: /cvsroot/moodle/moodle/calendar/renderer.php,v
retrieving revision 1.14
diff -u -r1.14 renderer.php
--- renderer.php	15 Nov 2011 11:01:52 -0000	1.14
+++ renderer.php	4 Mar 2012 03:15:02 -0000
@@ -515,7 +515,7 @@
             }
 
             // Special visual fx for today
-            if($display->thismonth && $calendar->day == $calendar->day) {
+            if($display->thismonth && $calendar->day == $date['mday']) {
                 $cellclasses[] = 'today';
             } else {
                 $cellclasses[] = 'nottoday';