How change the delivery date label on checkout

If you want change the label of the datepicker you can use this custom code in the functions.php file

if(!function_exists( 'ywcdd_change_label_datefield'  ) ) {
    add_filter( 'ywcdd_change_datepicker_label', 'ywcdd_change_label_datefield', 10 );

    function ywcdd_change_label_datefield() {

        return __( 'Local Pickup Date', 'yith-woocommerce-delivery-date' );
    }
}