diff --git a/src/addons/block/myoverview/components/myoverview/myoverview.ts b/src/addons/block/myoverview/components/myoverview/myoverview.ts
index 14bb2c6ff..8ca110b87 100644
--- a/src/addons/block/myoverview/components/myoverview/myoverview.ts
+++ b/src/addons/block/myoverview/components/myoverview/myoverview.ts
@@ -27,7 +27,6 @@ import { CoreDomUtils } from '@services/utils/dom';
 import { CoreTextUtils } from '@services/utils/text';
 import { AddonCourseCompletion } from '@addons/coursecompletion/services/coursecompletion';
 import { IonSearchbar } from '@ionic/angular';
-import moment from 'moment';
 import { CoreNavigator } from '@services/navigator';
 
 const FILTER_PRIORITY: AddonBlockMyOverviewTimeFilters[] =
@@ -478,13 +477,19 @@ export class AddonBlockMyOverviewComponent extends CoreBlockBaseComponent implem
                     break;
                 case 'inprogress':
                     this.filteredCourses = this.filteredCourses.filter((course) =>
-                        !course.hidden && !this.isPastCourse(course) && !this.isFutureCourse(course));
+                        !course.hidden &&
+                        !CoreCoursesHelper.isPastCourse(course, this.gradePeriodAfter) &&
+                        !CoreCoursesHelper.isFutureCourse(course, this.gradePeriodAfter, this.gradePeriodBefore));
                     break;
                 case 'future':
-                    this.filteredCourses = this.filteredCourses.filter((course) => !course.hidden && this.isFutureCourse(course));
+                    this.filteredCourses = this.filteredCourses.filter((course) =>
+                        !course.hidden &&
+                        CoreCoursesHelper.isFutureCourse(course, this.gradePeriodAfter, this.gradePeriodBefore));
                     break;
                 case 'past':
-                    this.filteredCourses = this.filteredCourses.filter((course) => !course.hidden && this.isPastCourse(course));
+                    this.filteredCourses = this.filteredCourses.filter((course) =>
+                        !course.hidden &&
+                        CoreCoursesHelper.isPastCourse(course, this.gradePeriodAfter));
                     break;
                 case 'favourite':
                     this.filteredCourses = this.filteredCourses.filter((course) => !course.hidden && course.isfavourite);
@@ -515,44 +520,6 @@ export class AddonBlockMyOverviewComponent extends CoreBlockBaseComponent implem
         this.initPrefetchCoursesIcons();
     }
 
-    /**
-     * Calculates if course date is past.
-     *
-     * @param course Course Object.
-     * @return Wether the course is past.
-     */
-    protected isPastCourse(course: CoreEnrolledCourseDataWithOptions): boolean {
-        if (course.completed) {
-            return true;
-        }
-
-        if (!course.enddate) {
-            return false;
-        }
-
-        // Calculate the end date to use for display classification purposes, incorporating the grace period, if any.
-        const endDate = moment(course.enddate * 1000).add(this.gradePeriodAfter, 'days').valueOf();
-
-        return endDate < this.today;
-    }
-
-    /**
-     * Calculates if course date is future.
-     *
-     * @param course Course Object.
-     * @return Wether the course is future.
-     */
-    protected isFutureCourse(course: CoreEnrolledCourseDataWithOptions): boolean {
-        if (this.isPastCourse(course) || !course.startdate) {
-            return false;
-        }
-
-        // Calculate the start date to use for display classification purposes, incorporating the grace period, if any.
-        const startDate = moment(course.startdate * 1000).subtract(this.gradePeriodBefore, 'days').valueOf();
-
-        return startDate > this.today;
-    }
-
     /**
      * Sort courses
      *
diff --git a/src/addons/block/timeline/components/timeline/timeline.ts b/src/addons/block/timeline/components/timeline/timeline.ts
index dc23ebbca..d0602b990 100644
--- a/src/addons/block/timeline/components/timeline/timeline.ts
+++ b/src/addons/block/timeline/components/timeline/timeline.ts
@@ -63,8 +63,10 @@ export class AddonBlockTimelineComponent extends CoreBlockBaseComponent implemen
     searchEnabled = false;
     searchText = '';
 
-    protected courseIds: number[] = [];
+    protected courseIdsToInvalidate: number[] = [];
     protected fetchContentDefaultError = 'Error getting timeline data.';
+    protected gradePeriodAfter = 0;
+    protected gradePeriodBefore = 0;
 
     constructor() {
         super('AddonBlockTimelineComponent');
@@ -106,8 +108,8 @@ export class AddonBlockTimelineComponent extends CoreBlockBaseComponent implemen
         promises.push(AddonBlockTimeline.invalidateActionEventsByCourses());
         promises.push(CoreCourses.invalidateUserCourses());
         promises.push(CoreCourseOptionsDelegate.clearAndInvalidateCoursesOptions());
-        if (this.courseIds.length > 0) {
-            promises.push(CoreCourses.invalidateCoursesByField('ids', this.courseIds.join(',')));
+        if (this.courseIdsToInvalidate.length > 0) {
+            promises.push(CoreCourses.invalidateCoursesByField('ids', this.courseIdsToInvalidate.join(',')));
         }
 
         return CoreUtils.allPromises(promises);
@@ -172,13 +174,26 @@ export class AddonBlockTimelineComponent extends CoreBlockBaseComponent implemen
      * @return Promise resolved when done.
      */
     protected async fetchMyOverviewTimelineByCourses(): Promise<void> {
+        try {
+            this.gradePeriodAfter = parseInt(await this.currentSite.getConfig('coursegraceperiodafter'), 10);
+            this.gradePeriodBefore = parseInt(await this.currentSite.getConfig('coursegraceperiodbefore'), 10);
+        } catch {
+            this.gradePeriodAfter = 0;
+            this.gradePeriodBefore = 0;
+        }
+
         // Do not filter courses by date because they can contain activities due.
         this.timelineCourses.courses = await CoreCoursesHelper.getUserCoursesWithOptions();
+        this.courseIdsToInvalidate = this.timelineCourses.courses.map((course) => course.id);
+
+        // Filter only in progress courses.
+        this.timelineCourses.courses = this.timelineCourses.courses.filter((course) =>
+            !course.hidden &&
+            !CoreCoursesHelper.isPastCourse(course, this.gradePeriodAfter) &&
+            !CoreCoursesHelper.isFutureCourse(course, this.gradePeriodAfter, this.gradePeriodBefore));
 
         if (this.timelineCourses.courses.length > 0) {
-            this.courseIds = this.timelineCourses.courses.map((course) => course.id);
-
-            const courseEvents = await AddonBlockTimeline.getActionEventsByCourses(this.courseIds, this.searchText);
+            const courseEvents = await AddonBlockTimeline.getActionEventsByCourses(this.courseIdsToInvalidate, this.searchText);
 
             this.timelineCourses.courses = this.timelineCourses.courses.filter((course) => {
                 if (courseEvents[course.id].events.length == 0) {
diff --git a/src/core/features/courses/services/courses-helper.ts b/src/core/features/courses/services/courses-helper.ts
index cb0e7b1f4..688db4f43 100644
--- a/src/core/features/courses/services/courses-helper.ts
+++ b/src/core/features/courses/services/courses-helper.ts
@@ -25,6 +25,7 @@ import {
 import { makeSingleton, Translate } from '@singletons';
 import { CoreWSExternalFile } from '@services/ws';
 import { AddonCourseCompletion } from '@addons/coursecompletion/services/coursecompletion';
+import moment from 'moment';
 
 /**
  * Helper to gather some common courses functions.
@@ -293,6 +294,51 @@ export class CoreCoursesHelperProvider {
         }));
     }
 
+    /**
+     * Calculates if course date is past.
+     *
+     * @param course Course Object.
+     * @param gradePeriodAfter Classify past courses as in progress for these many days after the course end date.
+     * @return Wether the course is past.
+     */
+    isPastCourse(course: CoreEnrolledCourseDataWithOptions, gradePeriodAfter = 0): boolean {
+        if (course.completed) {
+            return true;
+        }
+
+        if (!course.enddate) {
+            return false;
+        }
+
+        // Calculate the end date to use for display classification purposes, incorporating the grace period, if any.
+        const endDate = moment(course.enddate * 1000).add(gradePeriodAfter, 'days').valueOf();
+
+        return endDate < Date.now();
+    }
+
+    /**
+     * Calculates if course date is future.
+     *
+     * @param course Course Object.
+     * @param gradePeriodAfter Classify past courses as in progress for these many days after the course end date.
+     * @param gradePeriodBefore Classify future courses as in progress for these many days prior to the course start date.
+     * @return Wether the course is future.
+     */
+    isFutureCourse(
+        course: CoreEnrolledCourseDataWithOptions,
+        gradePeriodAfter = 0,
+        gradePeriodBefore = 0,
+    ): boolean {
+        if (this.isPastCourse(course, gradePeriodAfter) || !course.startdate) {
+            return false;
+        }
+
+        // Calculate the start date to use for display classification purposes, incorporating the grace period, if any.
+        const startDate = moment(course.startdate * 1000).subtract(gradePeriodBefore, 'days').valueOf();
+
+        return startDate > Date.now();
+    }
+
 }
 
 export const CoreCoursesHelper = makeSingleton(CoreCoursesHelperProvider);