Students are encouraged to observe their appropriate religious holidays. Instructors should strive to facilitate this by allowing an excused absence from classes for such purposes, by trying to insure that no examinations, written reports, oral reports, or other mandatory class assignments are due on these days, and by providing ample opportunity for work missed to be made up without penalty.
Please see the full academic calendar and list of major holy days by following this link.
http://uss.tufts.edu/stuServ/acadcal/
(Make sure to select the correct academic year)