Loop Eventos

Atualizado e funcionando

<?php
    global $wp_query;
    $wp_query = new WP_Query(
    array(
        'post_type' => 'event',
        'order' => 'ASC',
        'orderby' => array( 'meta_value_num' => 'ASC', 'title' => 'ASC' ),
        'meta_key' => 'data_evento',
        'posts_per_page' => 6 ));
    if($wp_query->have_posts()): ?>

    <?php while ($wp_query->have_posts()): $wp_query->the_post(); ?>

        <?php
            $meta = get_field('data_evento');
            $dia_semana = date_i18n('l', strtotime($meta));
            $dia_mes = date_i18n('d', strtotime($meta));
            $mes = date_i18n('M', strtotime($meta));
        ?>

        <div class="box-evento-home col-md-2 col-xs-12">
            <div class="calendar-small col-md-12">
                <span class="s-month" style="text-transform:uppercase;"><?php echo $mes; ?></span>
                <span class="s-date"><?php echo $dia_mes; ?></span>
            </div>
            <div class="event-small-details col-md-12">
                <h5 class="event-small-title"><a href="<?php the_permalink(); ?>"><?php the_title(); ?></a></h5>
                <div class="event-small-meta small-text">
                    <p><a href="<?php the_permalink(); ?>"><?php //the_field('data_evento'); ?> + Leia mais</a></p>
                </div>
            </div>
        </div>
    <?php endwhile; ?>
    <?php endif; ?>
<?php wp_reset_postdata();?>