wooocmerce time from product addition

creation.php

add_filter( 'manage_edit-product_columns', 'add_custom_products_column',15 );
function add_custom_products_column($columns){
   $columns['time_from_creation'] = __( 'Time from Creation'); 
   return $columns;
}
 
add_action( 'manage_product_posts_custom_column', 'output_time_from_creation', 10, 2 );
function output_time_from_creation( $column, $post_id ) {
    if ( $column == 'time_from_creation' ) {
        $product            = get_product($post_id);
        $datetime_created   = $product->get_date_created();
        $timestamp_created  = $datetime_created->getTimestamp();
        $datetime_now       = new WC_DateTime(); 
        $timestamp_now      = $datetime_now->getTimestamp();
        $time_delta         = $timestamp_now - $timestamp_created;
        echo floor($time_delta / 60 / 60 / 24) . 'h' ;
    }
}