foreach ( $format_date as $key ) {
            // Date created is stored UTC, date modified is stored WP local time.
            $datetime              = 'date_created' === $key ? get_date_from_gmt( gmdate( 'Y-m-d H:i:s', $data[ $key ]->getTimestamp() ) ) : $data[ $key ];
            $data[ $key ]          = wc_rest_prepare_date_response( $datetime, false );
            $data[ $key . '_gmt' ] = wc_rest_prepare_date_response( $datetime );