diff --git a/admin/tool/behat/tests/behat/datetime_strings.feature b/admin/tool/behat/tests/behat/datetime_strings.feature
index 59799ac529d..719cbfc1ce7 100644
--- a/admin/tool/behat/tests/behat/datetime_strings.feature
+++ b/admin/tool/behat/tests/behat/datetime_strings.feature
@@ -21,5 +21,5 @@ Feature: Transform date time string arguments
     And I log in as "teacher1"
     And I am on "Course 1" course homepage
     And I follow "Test assignment name"
-    And I should see "##yesterday##%A, %d %B %Y##"
+    And I should see "##yesterday##%d %B %Y##"
     And I log out
diff --git a/course/classes/output/activity_information.php b/course/classes/output/activity_information.php
index deaa39c2a2d..56b763bce0c 100644
--- a/course/classes/output/activity_information.php
+++ b/course/classes/output/activity_information.php
@@ -80,12 +80,35 @@ class activity_information implements renderable, templatable {
 
         $data->cmid = $this->cminfo->id;
         $data->activityname = $this->cminfo->name;
-        $data->activitydates = $this->activitydates;
+        $this->build_dates_data($data);
         $data->hasdates = !empty($this->activitydates);
 
         return $data;
     }
 
+    /**
+     * Builds the dates data for export.
+     *
+     * @param stdClass $data
+     */
+    protected function build_dates_data(stdClass $data): void {
+        foreach ($this->activitydates as $date) {
+            if (empty($date['relativeto'])) {
+                $date['datestring'] = userdate($date['timestamp'], get_string('strftimedatetime', 'core_langconfig'));
+            } else {
+                $diffstr = get_time_interval_string($date['timestamp'], $date['relativeto']);
+                if ($date['timestamp'] >= $date['relativeto']) {
+                    $date['datestring'] = get_string('relativedatessubmissionduedateafter', 'core_course',
+                        ['datediffstr' => $diffstr]);
+                } else {
+                    $date['datestring'] = get_string('relativedatessubmissionduedatebefore', 'core_course',
+                        ['datediffstr' => $diffstr]);
+                }
+            }
+            $data->activitydates[] = $date;
+        }
+    }
+
     /**
      * Builds the completion data for export.
      *
diff --git a/course/templates/activity_date.mustache b/course/templates/activity_date.mustache
index c50e292d6dc..a2013d6a20d 100644
--- a/course/templates/activity_date.mustache
+++ b/course/templates/activity_date.mustache
@@ -22,9 +22,9 @@
     Example context (json):
     {
         "label": "Opens:",
-        "timestamp": 1293876000
+        "datestring": "6 April 2021, 6:46 PM"
     }
 }}
 <div>
-    <strong>{{label}}</strong> {{#userdate}} {{timestamp}}, {{#str}} strftimedatetime, core_langconfig {{/str}} {{/userdate}}
+    <strong>{{label}}</strong> {{datestring}}
 </div>
diff --git a/lang/en/course.php b/lang/en/course.php
index 2a080b0ce2a..50649324ab7 100644
--- a/lang/en/course.php
+++ b/lang/en/course.php
@@ -97,6 +97,8 @@ $string['privacy:metadata:completionsummary'] = 'The course contains completion
 $string['privacy:metadata:favouritessummary'] = 'The course contains information relating to the course being starred by the user.';
 $string['recommend'] = 'Recommend';
 $string['recommendcheckbox'] = 'Recommend activity: {$a}';
+$string['relativedatessubmissionduedateafter'] = '{$a->datediffstr} after course start';
+$string['relativedatessubmissionduedatebefore'] = '{$a->datediffstr} before course start';
 $string['searchactivitiesbyname'] = 'Search for activities by name';
 $string['searchresults'] = 'Search results: {$a}';
 $string['submitsearch'] = 'Submit search';
diff --git a/lib/tests/behat/datetime_any.feature b/lib/tests/behat/datetime_any.feature
index 9c0b8b23b9b..8a61a72a8e4 100644
--- a/lib/tests/behat/datetime_any.feature
+++ b/lib/tests/behat/datetime_any.feature
@@ -19,15 +19,16 @@ Feature: Any day / month / year combination in date form elements works ok.
     And I set the field "Due date" to "<initial_date>"
     And I set the field "Due date" to "<final_date>"
     When I press "Save and display"
-    Then I should see "<date_result>" in the "Due date" "table_row"
+    Then the activity date in "Assignment 01" should contain "Due:"
+    And the activity date in "Assignment 01" should contain "<date_result>"
 
     Examples:
       | initial_date | final_date        | date_result                            | case_explanation (times Australia/Perth)   |
-      | ##today##    | ##tomorrow noon## | ##tomorrow noon##%A, %d %B %Y, %I:%M## | change of day, any day, back and forth     |
-      | ##tomorrow## | ##today noon##    | ##today noon##%A, %d %B %Y, %I:%M##    |                                            |
-      | 1617256800   | 1617170400        | Wednesday, 31 March 2021, 2:00         | change of month, back and forth            |
-      | 1617170400   | 1617256800        | Thursday, 1 April 2021, 2:00           |                                            |
-      | 1740808800   | 1709186400        | Thursday, 29 February 2024, 2:00       | change of month, leap year, back and forth |
-      | 1709186400   | 1740808800        | Saturday, 1 March 2025, 2:00           |                                            |
-      | 1577858400   | 1577772000        | Tuesday, 31 December 2019, 2:00        | change of year, back and forth             |
-      | 1577772000   | 1577858400        | Wednesday, 1 January 2020, 2:00        |                                            |
+      | ##today##    | ##tomorrow noon## | ##tomorrow noon##%d %B %Y, %I:%M %p##  | change of day, any day, back and forth     |
+      | ##tomorrow## | ##today noon##    | ##today noon##%d %B %Y, %I:%M %p##     |                                            |
+      | 1617256800   | 1617170400        | 31 March 2021, 2:00 PM                 | change of month, back and forth            |
+      | 1617170400   | 1617256800        | 1 April 2021, 2:00 PM                  |                                            |
+      | 1740808800   | 1709186400        | 29 February 2024, 2:00 PM              | change of month, leap year, back and forth |
+      | 1709186400   | 1740808800        | 1 March 2025, 2:00 PM                  |                                            |
+      | 1577858400   | 1577772000        | 31 December 2019, 2:00 PM              | change of year, back and forth             |
+      | 1577772000   | 1577858400        | 1 January 2020, 2:00 PM                |                                            |
diff --git a/mod/assign/classes/dates.php b/mod/assign/classes/dates.php
index f2a4c9177de..fa284deccc1 100644
--- a/mod/assign/classes/dates.php
+++ b/mod/assign/classes/dates.php
@@ -42,24 +42,54 @@ class dates extends activity_dates {
      * @return array
      */
     protected function get_dates(): array {
+        global $CFG;
+
+        require_once($CFG->dirroot . '/mod/assign/locallib.php');
+
+        $course = get_course($this->cm->course);
+        $context = \context_module::instance($this->cm->id);
+        $assign = new \assign($context, $this->cm, $course);
+
         $timeopen = $this->cm->customdata['allowsubmissionsfromdate'] ?? null;
         $timedue = $this->cm->customdata['duedate'] ?? null;
+
+        $activitygroup = groups_get_activity_group($this->cm, true);
+        if ($activitygroup) {
+            if ($assign->can_view_grades()) {
+                $groupoverride = \cache::make('mod_assign', 'overrides')->get("{$this->cm->instance}_g_{$activitygroup}");
+                if (!empty($groupoverride->allowsubmissionsfromdate)) {
+                    $timeopen = $groupoverride->allowsubmissionsfromdate;
+                }
+                if (!empty($groupoverride->duedate)) {
+                    $timedue = $groupoverride->duedate;
+                }
+            }
+        }
+
         $now = time();
         $dates = [];
 
         if ($timeopen) {
             $openlabelid = $timeopen > $now ? 'activitydate:submissionsopen' : 'activitydate:submissionsopened';
-            $dates[] = [
+            $date = [
                 'label' => get_string($openlabelid, 'mod_assign'),
                 'timestamp' => (int) $timeopen,
             ];
+            if ($course->relativedatesmode && $assign->can_view_grades()) {
+                $date['relativeto'] = $course->startdate;
+            }
+            $dates[] = $date;
         }
 
         if ($timedue) {
-            $dates[] = [
+            $date = [
                 'label' => get_string('activitydate:submissionsdue', 'mod_assign'),
                 'timestamp' => (int) $timedue,
             ];
+            if ($course->relativedatesmode && $assign->can_view_grades()) {
+                $date['relativeto'] = $course->startdate;
+            }
+            $dates[] = $date;
         }
 
         return $dates;
diff --git a/mod/assign/lang/en/assign.php b/mod/assign/lang/en/assign.php
index b2c4c3daec8..5d15051ce94 100644
--- a/mod/assign/lang/en/assign.php
+++ b/mod/assign/lang/en/assign.php
@@ -22,9 +22,9 @@
  * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  */
 
-$string['activitydate:submissionsdue'] = 'Submissions due:';
-$string['activitydate:submissionsopen'] = 'Submissions open:';
-$string['activitydate:submissionsopened'] = 'Submissions opened:';
+$string['activitydate:submissionsdue'] = 'Due:';
+$string['activitydate:submissionsopen'] = 'Opens:';
+$string['activitydate:submissionsopened'] = 'Opened:';
 $string['activityoverview'] = 'You have assignments that need attention';
 $string['addsubmission'] = 'Add submission';
 $string['addsubmission_help'] = 'You have not made a submission yet.';
@@ -41,8 +41,6 @@ $string['allowsubmissions'] = 'Allow the user to continue making submissions to
 $string['allowsubmissionsshort'] = 'Allow submission changes';
 $string['allowsubmissionsfromdate'] = 'Allow submissions from';
 $string['allowsubmissionsfromdate_help'] = 'If enabled, students will not be able to submit before this date. If disabled, students will be able to start submitting right away.';
-$string['allowsubmissionsfromdatesummary'] = 'This assignment will accept submissions from <strong>{$a}</strong>';
-$string['allowsubmissionsanddescriptionfromdatesummary'] = 'The assignment details and submission form will be available from <strong>{$a}</strong>';
 $string['alwaysshowdescription'] = 'Always show description';
 $string['alwaysshowdescription_help'] = 'If disabled, the assignment description above will only become visible to students on the "Allow submissions from" date.';
 $string['applytoteam'] = 'Apply grades and feedback to entire group';
@@ -451,8 +449,6 @@ $string['quickgradingresult'] = 'Quick grading';
 $string['quickgradingchangessaved'] = 'The grade changes were saved';
 $string['quickgrading_help'] = 'Quick grading allows you to assign grades (and outcomes) directly in the submissions table. Quick grading is not compatible with advanced grading and is not recommended when there are multiple markers.';
 $string['relativedatessubmissiontimeleft'] = 'Calculated for each student';
-$string['relativedatessubmissionduedateafter'] = '{$a->datediffstr} after course start';
-$string['relativedatessubmissionduedatebefore'] = '{$a->datediffstr} before course start';
 $string['removeallgroupoverrides'] = 'Delete all group overrides';
 $string['removealluseroverrides'] = 'Delete all user overrides';
 $string['reopenuntilpassincompatiblewithblindmarking'] = 'Reopen until pass option is incompatible with anonymous submissions, because the grades are not released to the gradebook until the student identities are revealed.';
@@ -641,3 +637,9 @@ $string['nolatesubmissions'] = 'No late submissions accepted. ';
 $string['nosubmissionsacceptedafter'] = 'No submissions accepted after ';
 $string['notsubmittedyet'] = 'Not submitted yet';
 $string['submissionsnotgraded'] = 'Submissions not graded: {$a}';
+
+// Deprecated since Moodle 3.11.
+$string['allowsubmissionsfromdatesummary'] = 'This assignment will accept submissions from <strong>{$a}</strong>';
+$string['allowsubmissionsanddescriptionfromdatesummary'] = 'The assignment details and submission form will be available from <strong>{$a}</strong>';
+$string['relativedatessubmissionduedateafter'] = '{$a->datediffstr} after course start';
+$string['relativedatessubmissionduedatebefore'] = '{$a->datediffstr} before course start';
diff --git a/mod/assign/lang/en/deprecated.txt b/mod/assign/lang/en/deprecated.txt
index 41f5cf7846e..cdee5f931bb 100644
--- a/mod/assign/lang/en/deprecated.txt
+++ b/mod/assign/lang/en/deprecated.txt
@@ -1,6 +1,10 @@
+allowsubmissionsfromdatesummary,mod_assign
+allowsubmissionsanddescriptionfromdatesummary,mod_assign
 duedateno,mod_assign
 mysubmission,mod_assign
 nolatesubmissions,mod_assign
 nosubmissionsacceptedafter,mod_assign
 notsubmittedyet,mod_assign
+relativedatessubmissionduedateafter,mod_assign
+relativedatessubmissionduedatebefore,mod_assign
 submissionsnotgraded,mod_assign
\ No newline at end of file
diff --git a/mod/assign/lib.php b/mod/assign/lib.php
index 45a9708ee2d..eaf7203b843 100644
--- a/mod/assign/lib.php
+++ b/mod/assign/lib.php
@@ -572,6 +572,16 @@ function mod_assign_cm_info_dynamic(cm_info $cm) {
         }
     }
 
+    // Calculate relative dates. The assignment module calculates relative date only for duedate.
+    // A user or group override always has higher priority over any relative date calculation.
+    if (empty($override->duedate) && !empty($cm->customdata['duedate'])) {
+        $course = get_course($cm->course);
+        $usercoursedates = course_get_course_dates_for_user_id($course, $USER->id);
+        if ($usercoursedates['start']) {
+            $override->duedate = $cm->customdata['duedate'] + $usercoursedates['startoffset'];
+        }
+    }
+
     // Populate some other values that can be used in calendar or on dashboard.
     if (!is_null($override->allowsubmissionsfromdate)) {
         $cm->override_customdata('allowsubmissionsfromdate', $override->allowsubmissionsfromdate);
diff --git a/mod/assign/renderer.php b/mod/assign/renderer.php
index 1af000027a5..9625b4ef31a 100644
--- a/mod/assign/renderer.php
+++ b/mod/assign/renderer.php
@@ -335,26 +335,8 @@ class mod_assign_renderer extends plugin_renderer_base {
 
         $time = time();
         if ($summary->duedate) {
-            // Due date.
-            $cell1content = get_string('duedate', 'assign');
-            $duedate = $summary->duedate;
-            if ($summary->courserelativedatesmode) {
-                // Returns a formatted string, in the format '10d 10h 45m'.
-                $diffstr = get_time_interval_string($duedate, $summary->coursestartdate);
-                if ($duedate >= $summary->coursestartdate) {
-                    $cell2content = get_string('relativedatessubmissionduedateafter', 'mod_assign',
-                        ['datediffstr' => $diffstr]);
-                } else {
-                    $cell2content = get_string('relativedatessubmissionduedatebefore', 'mod_assign',
-                        ['datediffstr' => $diffstr]);
-                }
-            } else {
-                $cell2content = userdate($duedate);
-            }
-
-            $this->add_table_row_tuple($t, $cell1content, $cell2content);
-
             // Time remaining.
+            $duedate = $summary->duedate;
             $cell1content = get_string('timeremaining', 'assign');
             if ($summary->courserelativedatesmode) {
                 $cell2content = get_string('relativedatessubmissiontimeleft', 'mod_assign');
@@ -667,18 +649,6 @@ class mod_assign_renderer extends plugin_renderer_base {
         $o .= $this->output->heading(get_string('submissionstatusheading', 'assign'), 3);
         $time = time();
 
-        if ($status->allowsubmissionsfromdate &&
-                $time <= $status->allowsubmissionsfromdate) {
-            $o .= $this->output->box_start('generalbox boxaligncenter submissionsalloweddates');
-            if ($status->alwaysshowdescription) {
-                $date = userdate($status->allowsubmissionsfromdate);
-                $o .= get_string('allowsubmissionsfromdatesummary', 'assign', $date);
-            } else {
-                $date = userdate($status->allowsubmissionsfromdate);
-                $o .= get_string('allowsubmissionsanddescriptionfromdatesummary', 'assign', $date);
-            }
-            $o .= $this->output->box_end();
-        }
         $o .= $this->output->box_start('boxaligncenter submissionsummarytable');
 
         $t = new html_table();
@@ -810,11 +780,6 @@ class mod_assign_renderer extends plugin_renderer_base {
         $submission = $status->teamsubmission ? $status->teamsubmission : $status->submission;
         $duedate = $status->duedate;
         if ($duedate > 0) {
-            // Due date.
-            $cell1content = get_string('duedate', 'assign');
-            $cell2content = userdate($duedate);
-            $this->add_table_row_tuple($t, $cell1content, $cell2content);
-
             if ($status->view == assign_submission_status::GRADER_VIEW) {
                 if ($status->cutoffdate) {
                     // Cut off date.
diff --git a/mod/assign/tests/behat/assign_group_override.feature b/mod/assign/tests/behat/assign_group_override.feature
index 1680cede02d..3b66e5f11b1 100644
--- a/mod/assign/tests/behat/assign_group_override.feature
+++ b/mod/assign/tests/behat/assign_group_override.feature
@@ -93,12 +93,12 @@ Feature: Assign group override
     And I log in as "student2"
     And I am on "Course 1" course homepage
     And I follow "Test assignment name"
-    Then I should see "Saturday, 1 January 2000, 8:00"
+    Then the activity date in "Test assignment name" should contain "Due: 1 January 2000, 8:00 AM"
     And I log out
     And I log in as "student1"
     And I am on "Course 1" course homepage
     And I follow "Test assignment name"
-    And I should see "Wednesday, 1 January 2020, 8:00"
+    And the activity date in "Test assignment name" should contain "Due: 1 January 2020, 8:00 AM"
 
   Scenario: Allow a group to have a different cut off date
     Given I log in as "teacher1"
@@ -149,13 +149,13 @@ Feature: Assign group override
     And I log in as "student2"
     And I am on "Course 1" course homepage
     And I follow "Test assignment name"
-    Then I should see "This assignment will accept submissions from Tuesday, 1 January 2030, 8:00"
+    Then the activity date in "Test assignment name" should contain "Opens: 1 January 2030, 8:00 AM"
     And I should not see "Add submission"
     And I log out
     And I log in as "student1"
     And I am on "Course 1" course homepage
     And I follow "Test assignment name"
-    And I should not see "This assignment will accept submissions from Tuesday, 1 January 2030, 8:00"
+    And I should not see "1 January 2030, 8:00 AM"
 
   @javascript
   Scenario: Add both a user and group override and verify that both are applied correctly
@@ -187,17 +187,17 @@ Feature: Assign group override
     Then I log in as "student1"
     And I am on "Course 1" course homepage
     And I follow "Test assignment name"
-    And I should see "This assignment will accept submissions from Wednesday, 1 January 2031, 8:00"
+    And the activity date in "Test assignment name" should contain "Opens: 1 January 2031, 8:00 AM"
     And I log out
     And I log in as "student2"
     And I am on "Course 1" course homepage
     And I follow "Test assignment name"
-    And I should see "This assignment will accept submissions from Sunday, 1 January 2040, 8:00"
+    And the activity date in "Test assignment name" should contain "Opens: 1 January 2040, 8:00 AM"
     And I log out
     And I log in as "student3"
     And I am on "Course 1" course homepage
     And I follow "Test assignment name"
-    And I should see "This assignment will accept submissions from Tuesday, 1 January 2030, 8:00"
+    And the activity date in "Test assignment name" should contain "Opens: 1 January 2030, 8:00 AM"
 
   Scenario: Override a group when teacher is in no group, and does not have accessallgroups permission, and the activity's group mode is "separate groups"
     Given the following "permission overrides" exist:
diff --git a/mod/assign/tests/behat/assign_user_override.feature b/mod/assign/tests/behat/assign_user_override.feature
index 21ee4dc7945..e0fa7355844 100644
--- a/mod/assign/tests/behat/assign_user_override.feature
+++ b/mod/assign/tests/behat/assign_user_override.feature
@@ -85,12 +85,12 @@ Feature: Assign user override
     And I log in as "student2"
     And I am on "Course 1" course homepage
     And I follow "Test assignment name"
-    Then I should see "Saturday, 1 January 2000, 8:00"
+    Then the activity date in "Test assignment name" should contain "Due: 1 January 2000, 8:00 AM"
     And I log out
     And I log in as "student1"
     And I am on "Course 1" course homepage
     And I follow "Test assignment name"
-    And I should see "Wednesday, 1 January 2020, 8:00"
+    And the activity date in "Test assignment name" should contain "Due: 1 January 2020, 8:00 AM"
 
   @javascript
   Scenario: Allow a user to have a different cut off date
@@ -143,12 +143,12 @@ Feature: Assign user override
     And I log in as "student2"
     And I am on "Course 1" course homepage
     And I follow "Test assignment name"
-    Then I should see "This assignment will accept submissions from Tuesday, 1 January 2030, 8:00"
+    Then the activity date in "Test assignment name" should contain "Opens: 1 January 2030, 8:00 AM"
     And I log out
     And I log in as "student1"
     And I am on "Course 1" course homepage
     And I follow "Test assignment name"
-    And I should not see "This assignment will accept submissions from Tuesday, 1 January 2030, 8:00"
+    And I should not see "1 January 2030, 8:00 AM"
 
   Scenario: Override a user when teacher is in no group, and does not have accessallgroups permission, and the activity's group mode is "separate groups"
     Given the following "permission overrides" exist:
diff --git a/mod/assign/tests/behat/relative_dates.feature b/mod/assign/tests/behat/relative_dates.feature
index d1204f3115e..d4d93e54ac4 100644
--- a/mod/assign/tests/behat/relative_dates.feature
+++ b/mod/assign/tests/behat/relative_dates.feature
@@ -35,6 +35,29 @@ I should be able to create an assignment with a due date relative to the course
     And I follow "Test assignment name"
     And I should not see "Assignment is overdue by:" in the "Time remaining" "table_row"
 
+  Scenario: As a student the due date I see for submitting my assignment is relative to my course start date
+    Given the following config values are set as admin:
+      | enablecourserelativedates | 1 |
+    And the following "courses" exist:
+    # A course with start date set to 1 Jan 2021.
+      | fullname | shortname  | category  | groupmode | relativedatesmode | startdate   |
+      | Course 1 | C1         | 0         | 1         | 1                 | 1609459200  |
+    And the following "users" exist:
+      | username | firstname  | lastname  | email                 |
+      | student1 | Student    | 1         | student1@example.com  |
+    And the following "course enrolments" exist:
+    # User's enrolment starts from 5 Jan 2021.
+      | user      | course  | role    | timestart   |
+      | student1  | C1      | student | 1609804800  |
+    And the following "activities" exist:
+    # The assignment's due date is 3 Jan 2021.
+      | activity  | name                  | intro                       | course  | idnumber  | assignsubmission_onlinetext_enabled | duedate     |
+      | assign    | Test assignment name  | Test assignment description | C1      | assign0   | 1                                   | 1609632000  |
+    When I log in as "student1"
+    And I am on "Course 1" course homepage
+    And I follow "Test assignment name"
+    Then the activity date in "Test assignment name" should contain "Due: 7 January 2021, 8:00 AM"
+
   Scenario: As a teacher, I should see the relative dates when reviewing assignment submissions
     Given the following config values are set as admin:
       | enablecourserelativedates | 1 |
@@ -59,7 +82,7 @@ I should be able to create an assignment with a due date relative to the course
     And I log in as "teacher1"
     And I am on "Course 1" course homepage
     And I follow "Test assignment name"
-    And I should see "after course start" in the "Due date" "table_row"
+    And the activity date in "Test assignment name" should contain "after course start"
     And I should see "Calculated for each student" in the "Time remaining" "table_row"
     When I navigate to "View all submissions" in current page administration
     Then I should see "No submission" in the "Student 1" "table_row"
diff --git a/mod/assign/tests/behat/set_availability.feature b/mod/assign/tests/behat/set_availability.feature
index 9755be73465..ddcf7a7c19f 100644
--- a/mod/assign/tests/behat/set_availability.feature
+++ b/mod/assign/tests/behat/set_availability.feature
@@ -43,8 +43,8 @@ Feature: Set availability dates for an assignment
     And I am on "Course 1" course homepage
     When I follow "Assignment name"
     Then "Add submission" "button" should not exist
-    And I should see "This assignment will accept submissions from"
-    And I should see "##tomorrow noon##%A, %d %B %Y, %I:%M %p##"
+    And the activity date in "Assignment name" should contain "Opens:"
+    And the activity date in "Assignment name" should contain "##tomorrow noon##%d %B %Y, %I:%M %p##"
 
   Scenario: Student can see the assignment's due date in the course calendar
     Given I log in as "teacher1"
@@ -82,7 +82,8 @@ Feature: Set availability dates for an assignment
     And I log in as "student1"
     And I am on "Course 1" course homepage
     And I follow "Assignment name"
-    And I should see "##+2 days 5 hours 30 minutes##%A, %d %B %Y##" in the "Due date" "table_row"
+    And the activity date in "Assignment name" should contain "Due:"
+    And the activity date in "Assignment name" should contain "##+2 days 5 hours 30 minutes##%d %B %Y##"
     And I should see "2 days 5 hours" in the "Time remaining" "table_row"
     And "Add submission" "button" should exist
     And I press "Add submission"
@@ -115,7 +116,8 @@ Feature: Set availability dates for an assignment
     And I log in as "student1"
     And I am on "Course 1" course homepage
     And I follow "Assignment name"
-    And I should see "##2 days 5 hours 30 minutes ago##%A, %d %B %Y##" in the "Due date" "table_row"
+    And the activity date in "Assignment name" should contain "Due:"
+    And the activity date in "Assignment name" should contain "##2 days 5 hours 30 minutes ago##%d %B %Y##"
     And I should see "Assignment is overdue by: 2 days 5 hours" in the "Time remaining" "table_row"
     And "Add submission" "button" should exist
     And I press "Add submission"
diff --git a/mod/assign/tests/locallib_test.php b/mod/assign/tests/locallib_test.php
index a661b9376b2..5d098f90b2b 100644
--- a/mod/assign/tests/locallib_test.php
+++ b/mod/assign/tests/locallib_test.php
@@ -4219,10 +4219,44 @@ Anchor link 2:<a title=\"bananas\" href=\"../logo-240x60.gif\">Link text</a>
     }
 
     /**
-     * Test showing group override duedate for admin
+     * Data provider for test_view_group_override
+     *
+     * @return array Provider data
      */
-    public function test_view_group_override() {
-        global $DB, $PAGE;
+    public function view_group_override_provider() {
+        return [
+            'Other users should see their duedate' => [
+                'student',
+                ['group2'],
+                'group1',
+                '7 June 2019, 5:37 PM',
+            ],
+            'Teacher should be able to see all group override duedate' => [
+                'teacher',
+                ['group1'],
+                'group1',
+                '20 September 2019, 10:37 PM',
+            ],
+            'Teacher should be able to see all group override duedate even if they are not member' => [
+                'editingteacher',
+                ['group1'],
+                'group2',
+                '7 June 2019, 5:37 PM',
+            ]
+        ];
+    }
+
+    /**
+     * Test showing group override duedate for admin
+     *
+     * @dataProvider view_group_override_provider
+     * @param string $role the role of the user (teacher, student, etc)
+     * @param string[] $groups the groups the user are member of
+     * @param string $activegroup The selected group
+     * @param string $expecteddate The expected due date
+     */
+    public function test_view_group_override(string $role, array $groups, string $activegroup, string $expecteddate) {
+        global $DB, $PAGE, $SESSION;
 
         $this->resetAfterTest();
         $course = $this->getDataGenerator()->create_course();
@@ -4230,17 +4264,18 @@ Anchor link 2:<a title=\"bananas\" href=\"../logo-240x60.gif\">Link text</a>
         $group1 = $this->getDataGenerator()->create_group(['courseid' => $course->id]);
         $group2 = $this->getDataGenerator()->create_group(['courseid' => $course->id]);
 
-        $student1 = $this->getDataGenerator()->create_and_enrol($course, 'student');
-        $teacher = $this->getDataGenerator()->create_and_enrol($course, 'teacher');
-        groups_add_member($group1, $student1);
-        groups_add_member($group1, $teacher);
-
-        $student2 = $this->getDataGenerator()->create_and_enrol($course, 'student');
-        groups_add_member($group2, $student2);
+        $user = $this->getDataGenerator()->create_and_enrol($course, $role);
+        if (in_array('group1', $groups)) {
+            groups_add_member($group1, $user);
+        }
+        if (in_array('group2', $groups)) {
+            groups_add_member($group2, $user);
+        }
+        $activegroup = $$activegroup;
 
         $assign = $this->create_instance($course, [
-            'groupmode' => 1,
-            'duedate' => 1558999899,
+            'groupmode' => SEPARATEGROUPS,
+            'duedate' => 1558999899, // 28 May 2019, 7:31 AM.
         ]);
         $instance = $assign->get_instance();
 
@@ -4251,14 +4286,14 @@ Anchor link 2:<a title=\"bananas\" href=\"../logo-240x60.gif\">Link text</a>
                 'groupid' => $group1->id,
                 'userid' => null,
                 'sortorder' => 1,
-                'duedate' => 1568990258,
+                'duedate' => 1568990258, // 20 September 2019, 10:37 PM.
             ],
             (object) [
                 'assignid' => $instance->id,
                 'groupid' => $group2->id,
                 'userid' => null,
                 'sortorder' => 2,
-                'duedate' => 1559900258,
+                'duedate' => 1559900258, // 7 June 2019, 5:37 PM.
             ],
         ];
 
@@ -4266,25 +4301,21 @@ Anchor link 2:<a title=\"bananas\" href=\"../logo-240x60.gif\">Link text</a>
             $override->id = $DB->insert_record('assign_overrides', $override);
         }
 
-        $currenturl = new moodle_url('/mod/assign/view.php', array('id' => $assign->get_course_module()->id));
+        $currenturl = new moodle_url('/mod/assign/view.php', ['id' => $assign->get_course_module()->id]);
         $PAGE->set_url($currenturl);
-        $output1 = '';
-        // Other users should see duedate of the assignment.
-        $this->setUser($student2);
-        $summary = $assign->get_assign_grading_summary_renderable($group1->id);
-        $output1 .= $assign->get_renderer()->render($summary);
-        $this->assertStringContainsStringIgnoringCase('Tuesday, 28 May 2019, 7:31 AM', $output1);
 
-        $output2 = '';
-        // Teacher should be able to see all group override duedate.
-        $this->setUser($teacher);
-        $summary = $assign->get_assign_grading_summary_renderable($group1->id);
-        $output2 .= $assign->get_renderer()->render($summary);
-        $this->assertStringContainsStringIgnoringCase('Friday, 20 September 2019, 10:37 PM', $output2);
-        $summary = $assign->get_assign_grading_summary_renderable($group2->id);
-        $output3 = '';
-        $output3 .= $assign->get_renderer()->render($summary);
-        $this->assertStringContainsStringIgnoringCase('Friday, 7 June 2019, 5:37 PM', $output3);
+        $this->setUser($user);
+        $_GET['group'] = $activegroup->id;
+
+        /** @var assign $assign */
+        $header = new assign_header(
+            $assign->get_instance(),
+            $assign->get_context(),
+            false,
+            $assign->get_course_module()->id
+        );
+        $output = $assign->get_renderer()->render($header);
+        $this->assertStringContainsStringIgnoringCase($expecteddate, $output);
     }
 
     /**
diff --git a/mod/choice/lang/en/choice.php b/mod/choice/lang/en/choice.php
index 033a0a6efc8..7234b1de93f 100644
--- a/mod/choice/lang/en/choice.php
+++ b/mod/choice/lang/en/choice.php
@@ -116,6 +116,7 @@ $string['options'] = 'Options';
 $string['page-mod-choice-x'] = 'Any choice module page';
 $string['pluginadministration'] = 'Choice administration';
 $string['pluginname'] = 'Choice';
+$string['previewing'] = 'This is just a preview of the available options for this activity. You will be able to make a choice when it opens.';
 $string['previewonly'] = 'This is just a preview of the available options for this activity. You will not be able to submit your choice until {$a}.';
 $string['privacy'] = 'Privacy of results';
 $string['privacy:metadata:choice_answers'] = 'Information about the user\'s chosen answer(s) for a given choice activity';
diff --git a/mod/choice/tests/behat/choice_availability.feature b/mod/choice/tests/behat/choice_availability.feature
index 039dea3d710..9f618a5a4c7 100644
--- a/mod/choice/tests/behat/choice_availability.feature
+++ b/mod/choice/tests/behat/choice_availability.feature
@@ -36,7 +36,9 @@ Feature: Restrict availability of the choice module to a deadline
     When I log in as "student1"
     And I am on "Course 1" course homepage
     And I follow "Choice name"
-    Then I should see "This activity is not available until"
+    Then "choice_1" "radio" should not exist
+    And "choice_2" "radio" should not exist
+    And "Save my choice" "button" should not exist
 
   Scenario: Enable the choice activity with a start deadline in the past
     Given the following "activities" exist:
@@ -97,4 +99,6 @@ Feature: Restrict availability of the choice module to a deadline
     When I log in as "student1"
     And I am on "Course 1" course homepage
     And I follow "Choice name"
-    Then I should see "This activity closed on"
+    Then "choice_1" "radio" should not exist
+    And "choice_2" "radio" should not exist
+    And "Save my choice" "button" should not exist
diff --git a/mod/choice/view.php b/mod/choice/view.php
index 495ed91d62e..271a6b1bf2b 100644
--- a/mod/choice/view.php
+++ b/mod/choice/view.php
@@ -151,21 +151,19 @@ if (isloggedin() && (!empty($current)) &&
     foreach ($current as $c) {
         $choicetexts[] = format_string(choice_get_option_text($choice, $c->optionid));
     }
-    echo $OUTPUT->box(get_string("yourselection", "choice", userdate($choice->timeopen)).": ".implode('; ', $choicetexts), 'generalbox', 'yourselection');
+    echo $OUTPUT->box(get_string("yourselection", "choice") . ": " . implode('; ', $choicetexts), 'generalbox', 'yourselection');
 }
 
 /// Print the form
 $choiceopen = true;
 if ((!empty($choice->timeopen)) && ($choice->timeopen > $timenow)) {
     if ($choice->showpreview) {
-        echo $OUTPUT->box(get_string('previewonly', 'choice', userdate($choice->timeopen)), 'generalbox alert');
+        echo $OUTPUT->box(get_string('previewing', 'choice'), 'generalbox alert');
     } else {
-        echo $OUTPUT->box(get_string("notopenyet", "choice", userdate($choice->timeopen)), "generalbox notopenyet");
         echo $OUTPUT->footer();
         exit;
     }
 } else if ((!empty($choice->timeclose)) && ($timenow > $choice->timeclose)) {
-    echo $OUTPUT->box(get_string("expired", "choice", userdate($choice->timeclose)), "generalbox expired");
     $choiceopen = false;
 }
 
diff --git a/mod/data/view.php b/mod/data/view.php
index 1e6aa3fe0be..a50662d5721 100644
--- a/mod/data/view.php
+++ b/mod/data/view.php
@@ -362,13 +362,9 @@
     }
 
     // If data activity closed dont let students in.
+    // No need to display warnings because activity dates are displayed at the top of the page.
     list($showactivity, $warnings) = data_get_time_availability_status($data, $canmanageentries);
 
-    if (!$showactivity) {
-        $reason = current(array_keys($warnings));
-        echo $OUTPUT->notification(get_string($reason, 'data', $warnings[$reason]));
-    }
-
 if ($showactivity) {
     // Print the tabs
     if ($record or $mode == 'single') {
diff --git a/mod/feedback/classes/output/summary.php b/mod/feedback/classes/output/summary.php
index de3315cb056..5beda91033e 100644
--- a/mod/feedback/classes/output/summary.php
+++ b/mod/feedback/classes/output/summary.php
@@ -46,20 +46,20 @@ class summary implements renderable, templatable {
     /** @var int */
     protected $mygroupid;
 
-    /** @var bool  */
-    protected $extradetails;
-
     /**
      * Constructor.
      *
+     * @todo MDL-71494 Final deprecation of the $extradetails parameter in Moodle 4.3
      * @param mod_feedback_structure $feedbackstructure
      * @param int $mygroupid currently selected group
-     * @param bool $extradetails display additional details (time open, time closed)
+     * @param bool|null $extradetails Deprecated
      */
-    public function __construct($feedbackstructure, $mygroupid = false, $extradetails = false) {
+    public function __construct($feedbackstructure, $mygroupid = false, $extradetails = null) {
+        if (isset($extradetails)) {
+            debugging('The $extradetails parameter is deprecated.', DEBUG_DEVELOPER);
+        }
         $this->feedbackstructure = $feedbackstructure;
         $this->mygroupid = $mygroupid;
-        $this->extradetails = $extradetails;
     }
 
     /**
@@ -72,12 +72,6 @@ class summary implements renderable, templatable {
         $r = new stdClass();
         $r->completedcount = $this->feedbackstructure->count_completed_responses($this->mygroupid);
         $r->itemscount = count($this->feedbackstructure->get_items(true));
-        if ($this->extradetails && ($timeopen = $this->feedbackstructure->get_feedback()->timeopen)) {
-            $r->timeopen = userdate($timeopen);
-        }
-        if ($this->extradetails && ($timeclose = $this->feedbackstructure->get_feedback()->timeclose)) {
-            $r->timeclose = userdate($timeclose);
-        }
 
         return $r;
     }
diff --git a/mod/feedback/templates/summary.mustache b/mod/feedback/templates/summary.mustache
index b0e46f6bb7a..4c4f0f9970b 100644
--- a/mod/feedback/templates/summary.mustache
+++ b/mod/feedback/templates/summary.mustache
@@ -31,8 +31,7 @@
     Example context (json):
     {
         "completedcount" : 15,
-        "itemscount" : 5,
-        "timeopen" : "May 15, 2016"
+        "itemscount" : 5
     }
 
 }}
@@ -48,20 +47,3 @@
         class="feedback_info">{{#str}}questions, mod_feedback{{/str}}: </span><span
         class="feedback_info_value">{{itemscount}}</span>
 </div>
-
-{{#timeopen}}
-    <div class="feedback_info">
-        <span
-            class="feedback_info">{{#str}}feedbackopen, mod_feedback{{/str}}: </span><span
-            class="feedback_info_value">{{timeopen}}</span>
-    </div>
-{{/timeopen}}
-
-{{#timeclose}}
-    <div class="feedback_info">
-        <span
-            class="feedback_info">{{#str}}feedbackclose, mod_feedback{{/str}}: </span><span
-            class="feedback_info_value">{{timeclose}}</span>
-    </div>
-{{/timeclose}}
-
diff --git a/mod/feedback/upgrade.txt b/mod/feedback/upgrade.txt
index c9a0ef6877f..2e443379ee8 100644
--- a/mod/feedback/upgrade.txt
+++ b/mod/feedback/upgrade.txt
@@ -1,3 +1,6 @@
+=== 3.11 ===
+The $extradetails parameter in the constructor of the mod_feedback\output\summary class has been deprecated and is not used anymore.
+
 === 3.8 ===
 
 * The following functions have been finally deprecated and can not be used anymore:
diff --git a/mod/feedback/view.php b/mod/feedback/view.php
index a8e10192c18..42d41d08ed7 100644
--- a/mod/feedback/view.php
+++ b/mod/feedback/view.php
@@ -102,7 +102,7 @@ if (has_capability('mod/feedback:edititems', $context)) {
     $mygroupid = groups_get_activity_group($cm);
 
     echo $groupselect.'<div class="clearer">&nbsp;</div>';
-    $summary = new mod_feedback\output\summary($feedbackcompletion, $mygroupid, true);
+    $summary = new mod_feedback\output\summary($feedbackcompletion, $mygroupid);
     echo $OUTPUT->render_from_template('mod_feedback/summary', $summary->export_for_template($OUTPUT));
 
     if ($pageaftersubmit = $feedbackcompletion->page_after_submit()) {
diff --git a/mod/forum/classes/local/renderers/discussion.php b/mod/forum/classes/local/renderers/discussion.php
index 47bcfade09d..808f30f49df 100644
--- a/mod/forum/classes/local/renderers/discussion.php
+++ b/mod/forum/classes/local/renderers/discussion.php
@@ -383,23 +383,25 @@ class discussion {
         $notifications = $this->notifications;
         $discussion = $this->discussion;
         $forum = $this->forum;
-        $renderer = $this->renderer;
 
         if ($forum->is_cutoff_date_reached()) {
             $notifications[] = (new notification(
                     get_string('cutoffdatereached', 'forum'),
                     notification::NOTIFY_INFO
             ))->set_show_closebutton();
-        } else if ($forum->is_due_date_reached()) {
-            $notifications[] = (new notification(
+        } else if ($forum->get_type() != 'single') {
+            // Due date is already shown at the top of the page for single simple discussion forums.
+            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()) {
-            $notifications[] = (new notification(
+                ))->set_show_closebutton();
+            } else if ($forum->has_due_date()) {
+                $notifications[] = (new notification(
                     get_string('thisforumhasduedate', 'forum', userdate($forum->get_due_date())),
                     notification::NOTIFY_INFO
-            ))->set_show_closebutton();
+                ))->set_show_closebutton();
+            }
         }
 
         if ($forum->is_discussion_locked($discussion)) {
diff --git a/mod/forum/classes/local/renderers/discussion_list.php b/mod/forum/classes/local/renderers/discussion_list.php
index fcb76925215..c2ff8b61aaf 100644
--- a/mod/forum/classes/local/renderers/discussion_list.php
+++ b/mod/forum/classes/local/renderers/discussion_list.php
@@ -337,7 +337,6 @@ class discussion_list {
     private function get_notifications(stdClass $user, ?int $groupid) : array {
         $notifications = $this->notifications;
         $forum = $this->forum;
-        $renderer = $this->renderer;
         $capabilitymanager = $this->capabilitymanager;
 
         if ($forum->is_cutoff_date_reached()) {
@@ -345,16 +344,6 @@ class discussion_list {
                     get_string('cutoffdatereached', 'forum'),
                     notification::NOTIFY_INFO
             ))->set_show_closebutton();
-        } else if ($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())),
-                    notification::NOTIFY_INFO
-            ))->set_show_closebutton();
         }
 
         if ($forum->has_blocking_enabled()) {
diff --git a/mod/lesson/view.php b/mod/lesson/view.php
index 97bb040e865..37372d956ee 100644
--- a/mod/lesson/view.php
+++ b/mod/lesson/view.php
@@ -69,7 +69,8 @@ if ($lesson->usepassword && !empty($userpassword)) {
 // Check these for students only TODO: Find a better method for doing this!
 if ($timerestriction = $lesson->get_time_restriction_status()) {  // Deadline restrictions.
     echo $lessonoutput->header($lesson, $cm, '', false, null, get_string('notavailable'));
-    echo $lessonoutput->lesson_inaccessible(get_string($timerestriction->reason, 'lesson', userdate($timerestriction->time)));
+    // No need to display warnings because activity dates are displayed at the top of the page.
+    echo $lessonoutput->lesson_inaccessible('');
     echo $lessonoutput->footer();
     exit();
 } else if ($passwordrestriction = $lesson->get_password_restriction_status($userpassword)) { // Password protected lesson code.
diff --git a/mod/quiz/accessrule/openclosedate/lang/en/deprecated.txt b/mod/quiz/accessrule/openclosedate/lang/en/deprecated.txt
new file mode 100644
index 00000000000..03fecc7b713
--- /dev/null
+++ b/mod/quiz/accessrule/openclosedate/lang/en/deprecated.txt
@@ -0,0 +1 @@
+quiznotavailable,quizaccess_openclosedate
diff --git a/mod/quiz/accessrule/openclosedate/lang/en/quizaccess_openclosedate.php b/mod/quiz/accessrule/openclosedate/lang/en/quizaccess_openclosedate.php
index 8e5191d3591..30dbc8ae1a0 100644
--- a/mod/quiz/accessrule/openclosedate/lang/en/quizaccess_openclosedate.php
+++ b/mod/quiz/accessrule/openclosedate/lang/en/quizaccess_openclosedate.php
@@ -30,4 +30,7 @@ defined('MOODLE_INTERNAL') || die();
 $string['notavailable'] = 'This quiz is not currently available';
 $string['pluginname'] = 'Open and close date access rule';
 $string['privacy:metadata'] = 'The Open and close date quiz access rule plugin does not store any personal data.';
+
+// Deprecated since Moodle 3.11.
 $string['quiznotavailable'] = 'The quiz will not be available until {$a}';
+
diff --git a/mod/quiz/accessrule/openclosedate/rule.php b/mod/quiz/accessrule/openclosedate/rule.php
index 98d6da5a90d..2bb70dac93a 100644
--- a/mod/quiz/accessrule/openclosedate/rule.php
+++ b/mod/quiz/accessrule/openclosedate/rule.php
@@ -42,30 +42,6 @@ class quizaccess_openclosedate extends quiz_access_rule_base {
         return new self($quizobj, $timenow);
     }
 
-    public function description() {
-        $result = array();
-        if ($this->timenow < $this->quiz->timeopen) {
-            $result[] = get_string('quiznotavailable', 'quizaccess_openclosedate',
-                    userdate($this->quiz->timeopen));
-            if ($this->quiz->timeclose) {
-                $result[] = get_string('quizcloseson', 'quiz', userdate($this->quiz->timeclose));
-            }
-
-        } else if ($this->quiz->timeclose && $this->timenow > $this->quiz->timeclose) {
-            $result[] = get_string('quizclosed', 'quiz', userdate($this->quiz->timeclose));
-
-        } else {
-            if ($this->quiz->timeopen) {
-                $result[] = get_string('quizopenedon', 'quiz', userdate($this->quiz->timeopen));
-            }
-            if ($this->quiz->timeclose) {
-                $result[] = get_string('quizcloseson', 'quiz', userdate($this->quiz->timeclose));
-            }
-        }
-
-        return $result;
-    }
-
     public function prevent_access() {
         $message = get_string('notavailable', 'quizaccess_openclosedate');
 
diff --git a/mod/quiz/accessrule/openclosedate/tests/rule_test.php b/mod/quiz/accessrule/openclosedate/tests/rule_test.php
index 08beabe9c92..2da8fad436e 100644
--- a/mod/quiz/accessrule/openclosedate/tests/rule_test.php
+++ b/mod/quiz/accessrule/openclosedate/tests/rule_test.php
@@ -50,7 +50,6 @@ class quizaccess_openclosedate_testcase extends basic_testcase {
         $attempt->preview = 0;
 
         $rule = new quizaccess_openclosedate($quizobj, 10000);
-        $this->assertEmpty($rule->description());
         $this->assertFalse($rule->prevent_access());
         $this->assertFalse($rule->prevent_new_attempt(0, $attempt));
         $this->assertFalse($rule->is_finished(0, $attempt));
@@ -59,7 +58,6 @@ class quizaccess_openclosedate_testcase extends basic_testcase {
         $this->assertFalse($rule->time_left_display($attempt, 0));
 
         $rule = new quizaccess_openclosedate($quizobj, 0);
-        $this->assertEmpty($rule->description());
         $this->assertFalse($rule->prevent_access());
         $this->assertFalse($rule->prevent_new_attempt(0, $attempt));
         $this->assertFalse($rule->is_finished(0, $attempt));
@@ -79,8 +77,6 @@ class quizaccess_openclosedate_testcase extends basic_testcase {
         $attempt->preview = 0;
 
         $rule = new quizaccess_openclosedate($quizobj, 9999);
-        $this->assertEquals($rule->description(),
-            array(get_string('quiznotavailable', 'quizaccess_openclosedate', userdate(10000))));
         $this->assertEquals($rule->prevent_access(),
             get_string('notavailable', 'quizaccess_openclosedate'));
         $this->assertFalse($rule->prevent_new_attempt(0, $attempt));
@@ -89,8 +85,6 @@ class quizaccess_openclosedate_testcase extends basic_testcase {
         $this->assertFalse($rule->time_left_display($attempt, 0));
 
         $rule = new quizaccess_openclosedate($quizobj, 10000);
-        $this->assertEquals($rule->description(),
-            array(get_string('quizopenedon', 'quiz', userdate(10000))));
         $this->assertFalse($rule->prevent_access());
         $this->assertFalse($rule->prevent_new_attempt(0, $attempt));
         $this->assertFalse($rule->is_finished(0, $attempt));
@@ -110,8 +104,6 @@ class quizaccess_openclosedate_testcase extends basic_testcase {
         $attempt->preview = 0;
 
         $rule = new quizaccess_openclosedate($quizobj, 20000);
-        $this->assertEquals($rule->description(),
-            array(get_string('quizcloseson', 'quiz', userdate(20000))));
         $this->assertFalse($rule->prevent_access());
         $this->assertFalse($rule->prevent_new_attempt(0, $attempt));
         $this->assertFalse($rule->is_finished(0, $attempt));
@@ -123,8 +115,6 @@ class quizaccess_openclosedate_testcase extends basic_testcase {
         $this->assertEquals($rule->time_left_display($attempt, 20100), -100);
 
         $rule = new quizaccess_openclosedate($quizobj, 20001);
-        $this->assertEquals($rule->description(),
-            array(get_string('quizclosed', 'quiz', userdate(20000))));
         $this->assertEquals($rule->prevent_access(),
             get_string('notavailable', 'quizaccess_openclosedate'));
         $this->assertFalse($rule->prevent_new_attempt(0, $attempt));
@@ -148,33 +138,22 @@ class quizaccess_openclosedate_testcase extends basic_testcase {
         $attempt->preview = 0;
 
         $rule = new quizaccess_openclosedate($quizobj, 9999);
-        $this->assertEquals($rule->description(),
-            array(get_string('quiznotavailable', 'quizaccess_openclosedate', userdate(10000)),
-                    get_string('quizcloseson', 'quiz', userdate(20000))));
         $this->assertEquals($rule->prevent_access(),
             get_string('notavailable', 'quizaccess_openclosedate'));
         $this->assertFalse($rule->prevent_new_attempt(0, $attempt));
         $this->assertFalse($rule->is_finished(0, $attempt));
 
         $rule = new quizaccess_openclosedate($quizobj, 10000);
-        $this->assertEquals($rule->description(),
-            array(get_string('quizopenedon', 'quiz', userdate(10000)),
-                get_string('quizcloseson', 'quiz', userdate(20000))));
         $this->assertFalse($rule->prevent_access());
         $this->assertFalse($rule->prevent_new_attempt(0, $attempt));
         $this->assertFalse($rule->is_finished(0, $attempt));
 
         $rule = new quizaccess_openclosedate($quizobj, 20000);
-        $this->assertEquals($rule->description(),
-            array(get_string('quizopenedon', 'quiz', userdate(10000)),
-                get_string('quizcloseson', 'quiz', userdate(20000))));
         $this->assertFalse($rule->prevent_access());
         $this->assertFalse($rule->prevent_new_attempt(0, $attempt));
         $this->assertFalse($rule->is_finished(0, $attempt));
 
         $rule = new quizaccess_openclosedate($quizobj, 20001);
-        $this->assertEquals($rule->description(),
-            array(get_string('quizclosed', 'quiz', userdate(20000))));
         $this->assertEquals($rule->prevent_access(),
             get_string('notavailable', 'quizaccess_openclosedate'));
         $this->assertFalse($rule->prevent_new_attempt(0, $attempt));
diff --git a/mod/quiz/tests/external_test.php b/mod/quiz/tests/external_test.php
index 9d97fce8c15..8e7a93dcf82 100644
--- a/mod/quiz/tests/external_test.php
+++ b/mod/quiz/tests/external_test.php
@@ -1670,8 +1670,8 @@ class mod_quiz_external_testcase extends externallib_advanced_testcase {
         $result = mod_quiz_external::get_quiz_access_information($quiz->id);
         $result = external_api::clean_returnvalue(mod_quiz_external::get_quiz_access_information_returns(), $result);
 
-        // Access limited by time and password.
-        $this->assertCount(3, $result['accessrules']);
+        // Access is limited by time and password, but only the password limit has a description.
+        $this->assertCount(1, $result['accessrules']);
         // Two rule names, password and open/close date.
         $this->assertCount(2, $result['activerulenames']);
         $this->assertCount(1, $result['preventaccessreasons']);
diff --git a/mod/scorm/view.php b/mod/scorm/view.php
index b96893fa355..1311cad387e 100644
--- a/mod/scorm/view.php
+++ b/mod/scorm/view.php
@@ -170,12 +170,8 @@ if (empty($launch) && ($scorm->displayattemptstatus == SCORM_DISPLAY_ATTEMPTSTAT
 }
 echo $OUTPUT->box(format_module_intro('scorm', $scorm, $cm->id).$attemptstatus, 'container', 'intro');
 
-// Check if SCORM available.
+// Check if SCORM available. No need to display warnings because activity dates are displayed at the top of the page.
 list($available, $warnings) = scorm_get_availability_status($scorm);
-if (!$available) {
-    $reason = current(array_keys($warnings));
-    echo $OUTPUT->box(get_string($reason, "scorm", $warnings[$reason]), "container");
-}
 
 if ($available && empty($launch)) {
     scorm_print_launch($USER, $scorm, 'view.php?id='.$cm->id, $cm);