MAGETWO-69909: By default, show times in admin grids in the store tim…

…ezone. #9941

app/code/Magento/Ui/Component/Listing/Columns/Date.php

@@ -57,7 +57,7 @@ public function prepareDataSource(array $dataSource)
                     $date = $this->timezone->date(new \DateTime($item[$this->getData('name')]));
                     $timezone = isset($this->getConfiguration()['timezone'])
                         ? $this->booleanUtils->convert($this->getConfiguration()['timezone'])
-                        : false;
+                        : true;
                     if (!$timezone) {
                         $date = new \DateTime($item[$this->getData('name')]);
                     }