<div class="footer-wrap__contacts--list">
<div class="item">НД</div>
<div class="item">ПН</div>
<div class="item">ВТ</div>
<div class="item">СР</div>
<div class="item">ЧТ</div>
<div class="item">ПТ</div>
<div class="item">СБ</div>
</div>
if(wp_date('N') == 7) {
echo 'current_day';
}