Modded Tickets.php

<?php
global $woocommerce;
global $wootickets_no_show;
global $wootickets_pricing;

$wootickets_pricing = array();
 ?>

<form action="<?php echo esc_url( add_query_arg( 'wootickets_process', 1, $woocommerce->cart->get_cart_url() ) ); ?>"
      class="cart" method="post"
      enctype='multipart/form-data'>
        <table width="100%" class="tribe-events-tickets">
            <?php

            $is_there_any_product         = false;
            $is_there_any_product_to_sell = false;

            $gmt_offset = ( get_option( 'gmt_offset' ) >= '0' ) ? ' +' . get_option( 'gmt_offset' ) : " " . get_option( 'gmt_offset' );
            $gmt_offset = str_replace( array( '.25', '.5', '.75' ), array( ':15', ':30', ':45' ), $gmt_offset );

            ob_start();
            foreach ( $tickets as $ticket ) {

                global $product;

                if ( class_exists( 'WC_Product_Simple' ) ) {
                    $product = new WC_Product_Simple( $ticket->ID );
                } else {
                    $product = new WC_Product( $ticket->ID );
                }

                $end_date = $ticket->end_date;
                if ( empty( $ticket->end_date ) ) {

                    $event_end_date = tribe_get_end_date();

                    if ( tribe_get_all_day( get_the_ID() ) )
                        $event_end_date = date( get_option( 'date_format' ) . ' ' . get_option( 'time_format' ), strtotime( TribeDateUtils::endOfDay( $event_end_date ) ) );

                    $end_date = apply_filters( 'wootickets_default_end_date', $event_end_date, $ticket->ID );

                    if ( method_exists( 'DateTime', 'createFromFormat' ) ) {
                        $end_date = DateTime::createFromFormat( get_option( 'date_format' ) . ' ' . get_option( 'time_format' ), $end_date );
                    } else {
                        $end_date = new DateTime( date( get_option( 'date_format' ) . ' ' . get_option( 'time_format' ), strtotime( $end_date ) ) );
                    }

                    if ( !empty( $end_date ) )
                        $end_date = $end_date->format( 'Y-m-d g:i a' );
                }
                $end_date = strtotime( $end_date . $gmt_offset );

                $start_date = null;
                if ( !empty( $ticket->start_date ) )
                    $start_date = strtotime( $ticket->start_date . $gmt_offset );
//              if ( !empty( $ticket->start_date ) ) {
//                  $start_date = DateTime::createFromFormat( get_option( 'date_format' ), $ticket->start_date );
//                  $start_date = strtotime( $start_date->format( 'Y-m-d' ) . $gmt_offset );
//              }


                if ( ( !$product->is_in_stock() ) || ( empty( $start_date ) || time() > $start_date ) && ( time() < $end_date ) ) {

                    $is_there_any_product = true;

                    echo sprintf( "<input type='hidden' name='product_id[]' value='%d'>", $ticket->ID );

                    echo "<tr>";
                    echo "<td width='75' class='woocommerce'>";


                    if ( $product->is_in_stock() ) {

                        woocommerce_quantity_input( array( 'input_name'  => 'quantity_' . $ticket->ID,
                                                           'input_value' => 0,
                                                           'min_value'   => 0,
                                                           'max_value'   => $product->backorders_allowed() ? '' : $product->get_stock_quantity(), ) );

                        $is_there_any_product_to_sell = true;

                    } else {
                        echo "<span class='tickets_nostock'>" . esc_html__( 'Out of stock!', 'tribe-wootickets' ) . "</span>";
                    }
                    echo "</td>";

                    echo "<td nowrap='nowrap' class='tickets_name'>";
                    echo $ticket->name;
                    echo "</td>";

                    echo "<td class='tickets_price'>";
                    echo $product->get_price_html();
                    echo "</td>";

                    echo "<td class='tickets_description'>";
                    echo $ticket->description;
                    echo "</td>";

                    echo "</tr>";
                }

            }
            $contents = ob_get_clean();
            if ( $is_there_any_product ) {
                ?>
                <h2 class="tribe-events-tickets-title"><?php _e( 'Tickets', 'tribe-wootickets' );?></h2>
                <?php echo $contents; ?>
                <?php if ( $is_there_any_product_to_sell ) { ?>
                    <tr>
                        <td colspan="4" class='woocommerce'>

                            <button type="submit"
                                    class="button alt"><?php esc_html_e( 'Add to cart', 'tribe-wootickets' );?></button>
                        </td>
                    </tr>
                    <?php
                }
            }
            ?>

        </table>

</form>