You can configure your course to automatically show open/close dates for activities like Assignments, Quizzes, and Forums on the course homepage.
This is a one-time setting that applies to the whole course.
1. Open the course where you want to display activity dates.
2. In the navigation menu (left sidebar), click Settings.

3. Scroll to the Appearance Section.
4. Find the “Show activity dates” Option.
5. From the dropdown next to the Show activity dates, select: Yes.

6. Save Changes