ACP2E-2990: Customer "created_at" date Not Converted to store time zone upon export

 - Fixed the issue.

Author: devarul

app/code/Magento/CustomerImportExport/Model/Export/Customer.php

@@ -27,6 +27,8 @@ class Customer extends \Magento\ImportExport\Model\Export\Entity\AbstractEav
 
     const COLUMN_STORE = '_store';
 
+    const COLUMN_CREATED_AT = 'created_at';
+
     /**
      * Attribute collection name
      */
@@ -158,6 +160,11 @@ public function exportItem($item)
         $row = $this->_addAttributeValuesToRow($item);
         $row[self::COLUMN_WEBSITE] = $this->_websiteIdToCode[$item->getWebsiteId()];
         $row[self::COLUMN_STORE] = $this->_storeIdToCode[$item->getStoreId()];
+        $row[self::COLUMN_CREATED_AT] = $this->_localeDate->formatDate(
+            $row[self::COLUMN_CREATED_AT],
+            \IntlDateFormatter::MEDIUM,
+            true
+        );
 
         $this->getWriter()->writeRow($row);
     }