An academic calendar is a schedule that outlines important dates and events throughout the academic year for a school or educational institution. It typically includes:

1. Semester/Quarter Dates: Specifies when each academic term begins and ends. For example, fall semester, spring semester, or quarters like Q1, Q2, etc.

2. Holidays and Breaks: Includes dates for major holidays such as Thanksgiving, winter break, spring break, and any other relevant local or national holidays.

3. Exam Periods: Dates for midterm exams, final exams, and other assessments.

4. Registration Dates: Deadlines for students to register for classes or make changes to their schedules.

5. Events and Activities: Important events such as orientation for new students, graduation ceremonies, parent-teacher conferences, and school-wide assemblies.

6. Special Programs: Dates for special academic programs, workshops, seminars, or conferences that may be part of the academic calendar.

7. Administrative Deadlines: Dates for submitting forms, applications, or other administrative tasks related to academics.

8. Academic Year Overview: Provides a broad view of the entire academic year, including the start and end dates of the year itself.

9. Closures and Make-up Days: Information about any planned school closures due to weather, emergencies, or other reasons, and whether there are make-up days scheduled.

10. Graduation Dates: Dates for graduation ceremonies for different levels of education, such as high school or college graduations.