A schedule of dates and deadlines for the academic year in educational institutions, typically including important events, class periods, exam dates, and holidays.

1. Students should consult the academic calendar for important registration deadlines.
   學生應查閱校歷以了解重要的注冊截止日期。
2. The academic calendar shows that spring break begins on March 15th.
   學年日歷顯示春假從3月15日開始。
3. Faculty members must submit their grades according to the dates specified in the academic calendar.
   教職員工必須按照校歷規(guī)定的日期提交成績。