| January | |
|---|---|
| 01 Thu | New Year's Day |
| 12 Mon | Application period of Returning from Leave of Absence begins |
| February | |
|---|---|
| 02 Mon | Application period of General Leave of Absence / Military Leave of Absence begins |
| 09 Mon ~ 12 Fri | Course registration period for 2026 Spring semester (Continuing students) |
| 16 Mon ~ 18 Wed | Lunar New Year Holiday |
| 23 Mon | Winter Commencement |
| 23 Mon ~ 27 Fri | Tuition payment period for 2026 Spring semester (Continuing students) |
| March | |
|---|---|
| 01 Sun | Independence Movement Day (Substitute Holiday on 2th Mon) |
| 03 Tue | First day of class for 2026 Spring semester |
| 05 Thu ~ 09 Mon | Course Add and Drop Period |
| 12 Thu ~ 16 Mon | Additional tuition payment period for 2026 Spring semester |
| 16 Mon | Deadline for General Leave of Absence applications (for full tuition refund) |
| 16 Mon ~ 20 Fri | Application Period for Early Graduation |
| April | |
|---|---|
| 05 Sun | Easter Sunday |
| 08 Wed | One-third marker of the 2026 Spring semester |
| 14 Tue ~ 16 Thu | Course withdrawal period |
| 21 Tue ~ 27 Mon | Midterm Examinations |
| 28 Tue ~ 04 Mon | Application period for affiliation change |
| 28 Tue ~ 30 Thu | Application for S/U evaluation system |
| May | |
|---|---|
| 01 Fri | Labor Day |
| 05 Tue | Children's Day |
| 09 Sat | Yonsei University Foundation Day |
| 15 Fri | Deadline for General Leave of Absence applications (enrolled students)/ Two-thirds marker of the 2026 Spring semester |
| 18 Mon | Application period of Medical Leave of Absence applications begins |
| 24 Sun | Buddha's Birthday (Substitute Holiday on 25th Mon) |
| June | |
|---|---|
| 03 Wed | 2026 Local Election Day |
| 06 Sat | Memorial Day |
| 09 Tue ~ 22 Mon | Make-up class week and Reading Period |
| 16 Tue ~ 22 Mon | Spring 2026 Final Examinations |
| 23 Tue | Summer Break begins |
| 24 Tue ~ 30 Mon | Application period for Double Majors & Interdisciplinary Majors |
| 29 Mon | Deadline for 2026 Spring semester grade submission |
| July | |
|---|---|
| 13 Mon | Application period for Returning to Campus begins |
| August | |
|---|---|
| 03 Mon | Application period for Leave of Absence begins |
| 10 Mon ~ 14 Fri | Course registration period for for 2026 Fall semester (Continuing students) |
| 15 Sat | Independence Day (Substitute Holiday on 17th Mon) |
| 21 Fri ~ 27 Thu | Tuition payment period for 2026 Fall semester (Continuing students) |
| 24 Mon | Deadline for Returning from Leave of Absence applications |
| 28 Fri | Summer Commencement |
| September | |
|---|---|
| 01 Tue | First day of class for 2026 Fall semester |
| 03 Thu ~ 07 Mon | Course Add and Drop Period |
| 10 Thu ~ 14 Mon | Additional tuition payment period for 2026 Fall semester |
| 14 Mon | Deadline for General Leave of Absence applications (for full tuition refund) |
| 14 Mon ~ 18 Fri | Application Period for Early Graduation |
| 24 Thu ~ 26 Sat | Chuseok (Korean Thanksgiving) Holidays |
| October | |
|---|---|
| 03 Sat | National Foundation Day (Substitute Holiday on 5th Mon) |
| 07 Wed | One-third marker of the 2026 Fall semester |
| 09 Fri | Hangul Proclamation Day |
| 13 Tue ~ 15 Thu | Course Withdrawal period |
| 20 Tue ~ 26 Mon | Midterm Examinations |
| 27 Tue ~ 02 Mon | Application period for affiliation change |
| 27 Tue ~ 29 Thu | Application for S/U evaluation system |
| November | |
|---|---|
| 13 Fri | Deadline for General Leave of Absence applications (enrolled students)/ Two-thirds marker of the 2026 Fall semester |
| 15 Sun | Thanksgiving |
| 16 Mon | Application period of Medical Leave of Absence applications begins |
| December | |
|---|---|
| 03 Thu | Christmas Chapel |
| 08 Tue ~ 14 Mon | Make-up class week and Reading Period |
| 15 Tue ~ 21 Mon | Fall 2026 Final Examinations |
| 22 Tue | Winter Break begins |
| 22 Tue ~ 28 Mon | Application period for Double Majors & Interdisciplinary Majors |
| 25 Fri | Christmas |
| 28 Mon | Deadline for 2026 Fall semester grade submission |