Last day (until 4:30) to withdraw from a full-term course (with a grade of W). Last day (until 4:30) to declare the S/U grade mode for full-term courses. Last day (until 4:30 pm) for students to drop and add second-half-of-term courses. For a full-year view of the official academic calendar please visit www.colgate.edu/academiccalendar