Countdown timer before bookings start

<p><?php echo get_option('dbem_bookings_form_msg_closed');  ?></p>
<?php
    /*
    global $post;
    $countdown = get_post_meta($post->ID, 'Registration starts', true);
    if (strpos($countdown, 'ferg' ) !== false) {
        echo "<p>Registration starts ".$countdown.".</p>";
    }
    */
    global $EM_Event;
  $bookingsstart = "";
  foreach( $EM_Event->get_tickets()->tickets as $EM_Ticket ) {
    $bookingsstart .= $EM_Ticket->ticket_start;
  }
  $newdateformat = date("d M Y H:i:s", strtotime($bookingsstart));
  if ( time('Y-m-d H:i:s') > time( $bookingsstart ) ) {
  } else {
    $regstatus = "Registration will open ";
    $regstatus .= do_shortcode('[fergcorp_cdt_single date="'.$newdateformat.' CET"]');
    $regstatus .= ".";
  }
  echo $regstatus;
?>