diff -u b/core/modules/comment/src/CommentManager.php b/core/modules/comment/src/CommentManager.php
--- b/core/modules/comment/src/CommentManager.php
+++ b/core/modules/comment/src/CommentManager.php
@@ -3,6 +3,7 @@
 namespace Drupal\comment;
 
 use Drupal\comment\Plugin\Field\FieldType\CommentItemInterface;
+use Drupal\Component\Datetime\TimeInterface;
 use Drupal\Core\Config\ConfigFactoryInterface;
 use Drupal\Core\Entity\EntityInterface;
 use Drupal\Core\Entity\EntityManagerInterface;
@@ -58,11 +59,18 @@
   protected $currentUser;
 
   /**
-   * History mark read time.
+   * History modules settings config.
    *
-   * @var int
+   * @var \Drupal\Core\Config\ImmutableConfig
    */
-  protected $historyMarkRead;
+  protected $historyConfig;
+
+  /**
+   * Time manager.
+   *
+   * @var \Drupal\Component\Datetime\TimeInterface
+   */
+  protected $time;
 
   /**
    * Construct the CommentManager object.
@@ -77,19 +85,22 @@
    *   The module handler service.
    * @param \Drupal\Core\Session\AccountInterface $current_user
    *   The current user.
+   * @param \Drupal\Component\Datetime\TimeInterface $time
+   *   Time manager.
    */
-  public function __construct(EntityManagerInterface $entity_manager, ConfigFactoryInterface $config_factory, TranslationInterface $string_translation, ModuleHandlerInterface $module_handler, AccountInterface $current_user) {
+  public function __construct(EntityManagerInterface $entity_manager, ConfigFactoryInterface $config_factory, TranslationInterface $string_translation, ModuleHandlerInterface $module_handler, AccountInterface $current_user, TimeInterface $time) {
     $this->entityManager = $entity_manager;
     $this->userConfig = $config_factory->get('user.settings');
     $this->stringTranslation = $string_translation;
     $this->moduleHandler = $module_handler;
     $this->currentUser = $current_user;
+    $this->historyConfig = $config_factory->get('history.settings');
+    $this->time = $time;
   }
 
   /**
     $this->moduleHandler = $module_handler;
     $this->currentUser = $current_user;
-    $this->historyMarkRead = $config_factory->get('history.settings')->get('history_mark_read');
   }
 
   /**
@@ -201,7 +212,7 @@
           }
         }
       }
-      $history_read_limit = REQUEST_TIME - $this->historyMarkRead;
+      $history_read_limit = $this->time->getRequestTime() - $this->historyConfig->get('history_mark_read');
       $timestamp = ($timestamp > $history_read_limit ? $timestamp : $history_read_limit);
 
       // Use the timestamp to retrieve the number of new comments.
diff -u b/core/modules/comment/src/Plugin/views/field/NodeNewComments.php b/core/modules/comment/src/Plugin/views/field/NodeNewComments.php
--- b/core/modules/comment/src/Plugin/views/field/NodeNewComments.php
+++ b/core/modules/comment/src/Plugin/views/field/NodeNewComments.php
@@ -2,6 +2,7 @@
 
 namespace Drupal\comment\Plugin\views\field;
 
+use Drupal\Component\Datetime\TimeInterface;
 use Drupal\Core\Config\ConfigFactory;
 use Drupal\Core\Database\Connection;
 use Drupal\comment\CommentInterface;
@@ -37,11 +38,18 @@
   protected $database;
 
   /**
-   * History read limit time.
+   * History config.
    *
-   * @var int
+   * @var \Drupal\Core\Config\Config|\Drupal\Core\Config\ImmutableConfig
    */
-  protected $historyReadLimit;
+  protected $historyConfig;
+
+  /**
+   * Time manager.
+   *
+   * @var \Drupal\Component\Datetime\TimeInterface
+   */
+  protected $time;
 
   /**
    * Constructs a \Drupal\comment\Plugin\views\field\NodeNewComments object.
@@ -56,19 +64,22 @@
    *   Database Service Object.
    * @param \Drupal\Core\Config\ConfigFactory $configFactory
    *   Config factory service.
+   * @param \Drupal\Component\Datetime\TimeInterface $time
+   *   Time manager.
    */
-  public function __construct(array $configuration, $plugin_id, $plugin_definition, Connection $database, ConfigFactory $configFactory) {
+  public function __construct(array $configuration, $plugin_id, $plugin_definition, Connection $database, ConfigFactory $configFactory, TimeInterface $time) {
     parent::__construct($configuration, $plugin_id, $plugin_definition);
 
     $this->database = $database;
-    $this->historyReadLimit = REQUEST_TIME - $configFactory->get('history.settings')->get('history_mark_read');
+    $this->historyConfig = $configFactory->get('history.settings');
+    $this->time = $time;
   }
 
   /**
    * {@inheritdoc}
    */
   public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
-    return new static($configuration, $plugin_id, $plugin_definition, $container->get('database'), $container->get('config.factory'));
+    return new static($configuration, $plugin_id, $plugin_definition, $container->get('database'), $container->get('config.factory'), $container->get('datetime.time'));
   }
 
   /**
@@ -138,14 +149,15 @@
     }
 
     if ($nids) {
+      $history_read_limit = $this->time->getRequestTime() - $this->historyConfig->get('history_mark_read');
       $result = $this->database->query("SELECT n.nid, COUNT(c.cid) as num_comments FROM {node} n INNER JOIN {comment_field_data} c ON n.nid = c.entity_id AND c.entity_type = 'node' AND c.default_langcode = 1
         LEFT JOIN {history} h ON h.nid = n.nid AND h.uid = :h_uid WHERE n.nid IN ( :nids[] )
         AND c.changed > GREATEST(COALESCE(h.timestamp, :timestamp1), :timestamp2) AND c.status = :status GROUP BY n.nid", [
         ':status' => CommentInterface::PUBLISHED,
         ':h_uid' => $user->id(),
         ':nids[]' => $nids,
-        ':timestamp1' => $this->historyReadLimit,
-        ':timestamp2' => $this->historyReadLimit,
+        ':timestamp1' => $history_read_limit,
+        ':timestamp2' => $history_read_limit,
       ]);
       foreach ($result as $node) {
         foreach ($ids[$node->nid] as $id) {