$args = array(
           'year' => $today["year"],
           'mon'  => $today["mon"],
           'day'  => $x,
           'order' => 'ASC',
           'post_status' => 'any');  // also tried future / publish, future

    $my_query = get_posts($args);


   foreach($my_query as $post) {
           echo "Finding post ". $post->post_title. "<br />";
           $day = $post->post_date; // will be set to latest post
    }