diff --git a/mod/forum/classes/local/renderers/discussion.php b/mod/forum/classes/local/renderers/discussion.php
index dcc59caffb0d6..500bc75e8f8d7 100644
--- a/mod/forum/classes/local/renderers/discussion.php
+++ b/mod/forum/classes/local/renderers/discussion.php
@@ -382,6 +382,11 @@ private function get_notifications($user) : array {
                     get_string('cutoffdatereached', 'forum'),
                     notification::NOTIFY_INFO
             ))->set_show_closebutton();
+        } else if ($forum->is_due_date_reached()) {
+            $notifications[] = (new notification(
+                    get_string('thisforumisdue', 'forum', userdate($forum->get_due_date())),
+                    notification::NOTIFY_INFO
+            ))->set_show_closebutton();
         } else if ($forum->has_due_date()) {
             $notifications[] = (new notification(
                     get_string('thisforumhasduedate', 'forum', userdate($forum->get_due_date())),
diff --git a/mod/forum/classes/local/renderers/discussion_list.php b/mod/forum/classes/local/renderers/discussion_list.php
index f62a76986b46e..cd4ce425ef4a9 100644
--- a/mod/forum/classes/local/renderers/discussion_list.php
+++ b/mod/forum/classes/local/renderers/discussion_list.php
@@ -332,6 +332,11 @@ private function get_notifications(stdClass $user, ?int $groupid) : array {
                     get_string('cutoffdatereached', 'forum'),
                     notification::NOTIFY_INFO
             ))->set_show_closebutton();
+        } else if ($forum->is_due_date_reached()) {
+            $notifications[] = (new notification(
+                    get_string('thisforumisdue', 'forum', userdate($forum->get_due_date())),
+                    notification::NOTIFY_INFO
+            ))->set_show_closebutton();
         } else if ($forum->has_due_date()) {
             $notifications[] = (new notification(
                     get_string('thisforumhasduedate', 'forum', userdate($forum->get_due_date())),
diff --git a/mod/forum/lang/en/forum.php b/mod/forum/lang/en/forum.php
index c898e519ff204..7ae8c1c288652 100644
--- a/mod/forum/lang/en/forum.php
+++ b/mod/forum/lang/en/forum.php
@@ -589,6 +589,7 @@
 $string['tagarea_forum_posts'] = 'Forum posts';
 $string['tagsdeleted'] = 'Forum tags have been deleted';
 $string['thisforumisthrottled'] = 'This forum has a limit to the number of forum postings you can make in a given time period - this is currently set at {$a->blockafter} posting(s) in {$a->blockperiod}';
+$string['thisforumisdue'] = 'The due date for posting to this forum was {$a}.';
 $string['thisforumhasduedate'] = 'The due date for posting to this forum is {$a}.';
 $string['timedhidden'] = 'Timed status: Hidden from students';
 $string['timedposts'] = 'Timed posts';
diff --git a/mod/forum/lib.php b/mod/forum/lib.php
index d7c8851b2abc3..57d8d717295c0 100644
--- a/mod/forum/lib.php
+++ b/mod/forum/lib.php
@@ -6337,6 +6337,26 @@ function forum_is_cutoff_date_reached($forum) {
     return $forumentity->is_cutoff_date_reached();
 }
 
+/**
+ * Determine whether the specified forum's due date is reached.
+ *
+ * @param stdClass $forum The forum
+ * @return bool
+ */
+function forum_is_due_date_reached($forum) {
+    $entityfactory = \mod_forum\local\container::get_entity_factory();
+    $coursemoduleinfo = get_fast_modinfo($forum->course);
+    $cminfo = $coursemoduleinfo->instances['forum'][$forum->id];
+    $forumentity = $entityfactory->get_forum_from_stdclass(
+            $forum,
+            context_module::instance($cminfo->id),
+            $cminfo->get_course_module_record(),
+            $cminfo->get_course()
+    );
+
+    return $forumentity->is_due_date_reached();
+}
+
 /**
  * Determine whether the specified discussion is time-locked.
  *
diff --git a/mod/forum/tests/lib_test.php b/mod/forum/tests/lib_test.php
index 88f773272982d..496de01be5c41 100644
--- a/mod/forum/tests/lib_test.php
+++ b/mod/forum/tests/lib_test.php
@@ -3218,6 +3218,54 @@ public function forum_is_cutoff_date_reached_provider() {
         ];
     }
 
+    /**
+     * Test the forum_is_due_date_reached function.
+     *
+     * @dataProvider forum_is_due_date_reached_provider
+     * @param   stdClass    $forum
+     * @param   bool        $expect
+     */
+    public function test_forum_is_due_date_reached($forum, $expect) {
+        $this->resetAfterTest();
+
+        $this->setAdminUser();
+
+        $datagenerator = $this->getDataGenerator();
+        $course = $datagenerator->create_course();
+        $forum = $datagenerator->create_module('forum', (object) array_merge([
+            'course' => $course->id
+        ], $forum));
+
+        $this->assertEquals($expect, forum_is_due_date_reached($forum));
+    }
+
+    /**
+     * Dataprovider for forum_is_due_date_reached tests.
+     *
+     * @return  array
+     */
+    public function forum_is_due_date_reached_provider() {
+        $now = time();
+        return [
+            'duedate is unset' => [
+                [],
+                false
+            ],
+            'duedate is 0' => [
+                ['duedate' => 0],
+                false
+            ],
+            'duedate is set and is in future' => [
+                ['duedate' => $now + 86400],
+                false
+            ],
+            'duedate is set and is in past' => [
+                ['duedate' => $now - 86400],
+                true
+            ],
+        ];
+    }
+
     /**
      * Test that {@link forum_update_post()} keeps correct forum_discussions usermodified.
      */