Academic Calendar
The academic calendar at Keio University starts on April 1 and ends on March 31 of the following year. In general, the academic year is divided into two semesters.
Spring Semester : early April - late September
Fall Semester : late September - late March
(In principle, there are 15 weeks of classes in each semester.)
Summer vacation : late July - late September
Winter vacation : late December - early January
Spring vacation : early February - end of March
| April | - Spring semester begins - Entrance ceremony - Orientation - Keio Foundation day |
| May | - The Yukichi Fukuzawa Francis Wayland Memorial Lecture - Homecoming day for alumni who graduated more than 51 years ago - Keio-Waseda spring baseball games |
| July | - SFC Tanabata Festival (university festival) - Final exams for spring semester - Summer vacation begins |
| August | - Open campus |
| September | - Fall commencement - Fall semester begins - Fall entrance ceremony - Orientation |
| October | - Keio-Waseda fall baseball games - Yagami Festival (university festival) - SFC Fall Festival (university festival) - Shiba-Kyoritsu Festival (university festival) - Homecoming day (Keio Rengo Mitakai Taikai) |
| November | - Mita Festival (university festival) - Yotsuya Festival (university festival) |
| December | - Winter vacation begins |
| January | - Founder's birthday - Final exams for fall semester |
| March | - Commencement |
