--- gnome-panel-2.20.1/applets/clock/calendar-window.c.orig     2007-11-24 08:43:21.000000000 -0800
+++ gnome-panel-2.20.1/applets/clock/calendar-window.c  2007-11-24 08:18:08.000000000 -0800
@@ -1102,7 +1102,7 @@
 
        gtk_calendar_get_date (calendar, &year, &month, &day);
 
-       argument = g_strdup_printf ("calendar:///?startdate=%.4d%.2d%.2d",
+       argument = g_strdup_printf ("calendar:///?startdate=%.4d%.2d%.2dT120000",
                                    year, month + 1, day);
 
        clock_launch_evolution (calwin, argument);

