$tmp1 = strtotime($rr['start']);
$tmp2 = strtotime($rr['finish']);
$time_format = "%H:%M:%S";
- $date_format = "%d.%m.%Y";
+ $date_format = "%Y-%m-%d";
$o .= '"'.$rr['summary'].'", "'.strftime($date_format, $tmp1) .
'", "'.strftime($time_format, $tmp1).'", "'.$rr['desc'] .
'", "'.strftime($date_format, $tmp2) .