event calendar custom loop

    global $post;

    $current_date = date('j M Y');
    /* get upcoming 30 day event, you can edit this to less day */
    $end_date = date('j M Y', strtotime('30 days'));

    $terms = get_terms( 'tribe_events_cat', 'hide_empty=0' );

    foreach($terms as $tribe_category){

    echo '<div class="event-wrapper">';

            /* Featured Event */
            $all_events_one = tribe_get_events(
                array(
                    'start_date'    => $current_date,
                    'end_date'      => $end_date,
                    'eventDisplay'  => 'upcoming',
                    'posts_per_page'=> 1,
                    'tax_query'=> array(
                        array(
                            'taxonomy' => 'tribe_events_cat',
                            'field' => 'slug',
                            'terms' => $tribe_category
                        )
                    )
                )
            );

            /* Sub Event */
            $all_events_two = tribe_get_events(
                array(
                    'start_date'    => $current_date,
                    'end_date'      => $end_date,
                    'eventDisplay'  => 'upcoming',
                    'posts_per_page'=> 3,
                    'offset'        => 1,
                    'tax_query'=> array(
                        array(
                            'taxonomy' => 'tribe_events_cat',
                            'field' => 'slug',
                            'terms' => $tribe_category
                        )
                    )
                )
            );

            foreach($all_events_one as $featured) {
                setup_postdata($featured);
            ?>
            <div class="featured">

                <h3><?php the_title(); ?></h3>
                <span class="event-date"><a href="<?php the_permalink(); ?>"><?php echo tribe_get_start_date($post->ID, true, 'M j, Y'); ?></a></span>

                <?php if ( has_post_thumbnail() ) { ?>

                    <div class="event-thumb">
                        <a href="<?php the_permalink(); ?>"><?php the_post_thumbnail('thumbnail'); ?></a>
                    </div>
                    <div class="event-excerpt">
                        <?php the_excerpt(); ?>
                    </div>

                <?php } else { ?>

                    <div class="event-content">
                        <?php the_content(); ?>
                    </div>

                <?php } ?>

            </div>

            <?php } //endforeach
                    wp_reset_query(); ?>

            <!-- start sub-event -->
            <div class="ca-wrapper">

            <?php
            foreach($all_events_two as $sub_event) {
                setup_postdata($sub_event);
            ?>
            <div class="ca-item ca-item-1">
                <div class="ca-item-main">
                    <div class="ca-icon"></div>
                    <h3><?php the_title(); ?></h3>
                    <h4>
                        <span class="ca-quote">&ldquo;</span>
                        <span><?php the_excerpt(); ?></span>
                    </h4>
                        <a href="#" class="ca-more">more...</a>
                </div>
                <div class="ca-content-wrapper">
                    <div class="ca-content">
                        <?php the_content(); ?>
                    </div>
                </div>
            </div>
            <?php } // end foreach
                    wp_reset_query(); ?>

            <!-- end sub-event -->
            </div>
        <?php

    echo '</div>';

    }