Winter online classes: January 4–22, 2027
| Date | Event |
| October 15, 2026 | Registration and enrollment begin. |
| December 1, 2026 | Financial aid priority date for Cornell students (financial aid is not available for visiting students). |
| December 1, 2026 | Registration deadline for visiting students. |
| December 18, 2026 | Last day to petition to exceed the credit limit. |
| December 25, 2026 to January 4, 2027 |
Cornell is closed for winter break. The university reopens on Monday, January 4, 2027. |
| January 4, 2027 | Instruction begins. |
| January 4, 2027 (3:00 p.m. ET) |
Last day for Cornell students to request access for Winter enrollment
Requests to add a class beyond this date require a petition. |
| January 5, 2027 (11:59 p.m. ET) |
Last day to add a class or change credit hours for all students.
Requests to add a class beyond this date require a petition. |
| January 4–6, 2027 | 0% tuition retained for courses dropped during this period. |
| January 7–8, 2027 | 50% tuition retained for courses dropped during this period. |
| January 9, 2027 | 100% tuition retained for courses dropped on or after this date. |
| January 12, 2027 (11:59 p.m. ET) |
Last day to drop a class without a petition and without the letter “W” appearing on your transcript.
Last day to change grading basis. |
| Variable dates | Course evaluation system open for students a few days before the end of class. |
| January 22, 2027 | Instruction ends.
Final exams may be held on the last day of class (1/22) or on the following Saturday (1/23) at a time arranged by your instructor. Last day to withdraw (petition required). |
Note: Final exams will be held on the last day of class, Friday, January 22, unless otherwise noted by the class instructor in the class syllabus.