<?php
$startDate = date(  "Y-m-d", strtotime( $startDate ) );
$endDate = date(  "Y-m-d", strtotime( $endDate ) );

global $post;

 $featured_query = new WP_Query();
 $featured_query->query(
   array(
    'post_type' => 'tribe_events',
    'posts_per_page' => -1,
    'orderby' => 'meta_value',
    'order' => 'ASC',
    'meta_key' => '_EventStartDate',
    'meta_query' => array(
       array(
        'key' => '_EventStartDate',
        'value' => array( $startDate.' 00:00:00', $endDate.' 23:59:59'),
        'type' => 'DATETIME',
        'compare' => 'BETWEEN'
      )
    )
   )
  );

 if ($featured_query->have_posts()) :
  while ( $featured_query->have_posts() ) : $featured_query->the_post(); ?>
  <?php global $more; $more = false; ?>


     //DO WHATEVER YOU NEED TO DO WITH THE POSTS HERE


  <?php endwhile; ?>
  <?php else: echo  '<h4> Sorry, there are no posts for the selected dates.</h4>'; ?>

 <?php endif; ?>
 <?php wp_reset_query();?>