$o = '<table class="calendar">';
$o .= "<caption>$str_month $y</caption><tr>";
for($a = 0; $a < 7; $a ++)
- $o .= '<th>' . substr(day_translate($dn[$a]),0,3) . '</th>';
+ $o .= '<th>' . mb_substr(day_translate($dn[$a]),0,3,'UTF-8') . '</th>';
$o .= '</tr><tr>';
while($d <= $l) {