Please find Mason Korea’s Three-Year Calendar from Fall 23 through Spring 26. All dates are subject to change. Please refer to Mason Korea academic calendar webpage for most updated information.
| FALL SEMESTER | Fall 2023 | Fall 2024 | Fall 2025 |
| Registration Begins | Mon May 22 | Mon May 20 | Mon May 19 |
| First Day of Fall Classes | Mon Aug 21 | Mon Aug 19 | Mon Aug 25 |
| Last Day to Add | Mon Aug 28 | Mon Aug 26 | Mon Sep 1 |
| Last Day to Drop Classes (with 100% tuition refund) | Mon Sep 4 | Mon Sep 2 | Mon Sep 8 |
| Last Day to Drop Classes (with 50% tuition refund; final drop) | Mon Sep 11 | Mon Sep 9 | Mon Sep 15 |
| Unrestricted Withdrawal Period (100% tuition liability) | Tue Sep 12-Mon Sep 25 | Tue Sep 10-Mon Sep 23 | Tue Sep 16-Mon Sep 29 |
| Mid-term Evaluation Period (100-200 level classes) | Mon Sep 18-Fri Oct 13 | Mon Sep 16-Fri Oct 11 | Mon Sep 22-Fri Oct 17 |
| Fall Recess (no classes) | Wed Sep 27 | N/A | N/A |
| Harvest Moon Festival (no classes) | Thu Sep 28-Sat Sep 30 | Mon Sep 16-Wed Sep 18 | Sun Oct 5-Wed Oct 8 |
| Selective Withdrawal Period (100% tuition liability) | Tue Sep 26-Mon Oct 23 | Tue Sep 24-Mon Oct 21 | Tue Sep 30-Mon Oct 27 |
| National Foundation Day (no classes) | Tue Oct 3 | Thu Oct 3 | Fri Oct 3 |
| Hangul Proclamation Day (no classes) | Mon Oct 9 | Wed Oct 9 | Thu Oct 9 |
| Make Up Day 1 | N/A | Fri Oct 11 (Follow Wednesday Schedule. Friday classes do not meet.) |
N/A |
| Incomplete Work Due to Instructor | Fri Oct 20 | Fri Oct 18 | Fri Oct 24 |
| Incomplete Grade Changes Due to Registrar | Fri Oct 27 | Fri Oct 25 | Fri Oct 31 |
| Last Day of Classes | Fri Dec 1 | Fri Nov 29 | Fri Dec 5 |
| Reading Day(s) | Mon Dec 4-Tue Dec 5 | Mon Dec 2-Tue Dec 3 | Mon Dec 8-Tue Dec 9 |
| Examination Period | Wed Dec 6-Wed Dec 13 | Wed Dec 4-Wed Dec 11 | Wed Dec 10-Wed Dec 17 |
| Graduation Ceremony | Fri Dec 15 | Fri Dec 13 | Fri Dec 19 |
| Degree Conferral Date | Sat Dec 16 | Sat Dec 14 | Sat Dec 20 |
| SPRING SEMESTER | Spring 2024 | Spring 2025 | Spring 2026 |
| Registration Begins | Mon Nov 20, 2023 | Mon Nov 25, 2024 | Mon Nov 24, 2025 |
| First Day of Spring Classes | Mon Feb 19, 2024 | Mon Feb 24, 2025 | Mon Feb 23, 2026 |
| Last Day to Add Classes | Mon Feb 26 | Mon Mar 3 | Mon Mar 2 |
| Independence Movement Day (no classes) | Fri Mar 1 | Sat Mar 1 | Sun Mar 1 |
| Independence Movement Day - Alternative Holiday (no classes) | N/A | Mon Mar 3 | Mon Mar 2 |
| Last Day to Drop Classes (with 100% tuition refund) | Mon Mar 4 | Mon Mar 10 | Mon Mar 9 |
| Last Day to Drop Classes (with 50% tuition refund) | Mon Mar 11 | Mon Mar 17 | Mon Mar 16 |
| Unrestricted Withdrawal Period | Tue Mar 12-Mon Mar 25 | Tue Mar 18-Mon Mar 31 | Tue Mar 17-Mon Mar 30 |
| Mid-Term Progress Reporting Period | Mon Mar 18-Fri Apr 19 | Mon Mar 24-Fri Apr 18 | Mon Mar 23-Fri Apr 17 |
| Selective Withdrawal Period | Tue Mar 26-Mon Apr 22 | Tue Apr 1-Mon Apr 28 | Tue Mar 30-Mon Apr 27 |
| National Assembly Election (no classes) | Wed Apr 10 | N/A | N/A |
| Incomplete Work Due to Instructor | Fri Apr 19 | Fri Apr 25 | Fri Apr 24 |
| Incomplete Grade Changes Due to Registrar | Fri Apr 26 | Fri May 2 | Fri May 1 |
| Make Up Day 1 | Tue Apr 30 (Follow Wednesday Schedule. Tuesday classes do not meet.) |
Wed Apr 30 |
Wed April 29 |
| Labor Day (no classes) | Wed May 1 | Thu May 1 | Fri May 1 |
| Spring Recess (no classes) | Mon Apr 8-Tue Apr 9 | Fri May 2 | Thu Apr 30 |
| Children's Day (no classes) | N/A | Mon May 5 | Tue May 5 |
| Children's Day - Alternative Holiday (no classes) |
Mon May 6 | N/A | N/A |
| Make Up Day 2 | Thu May 16 (Follow Wednesday Schedule. Thursday classes do not meet.) |
Mon Jun 9 |
N/A |
| Buddha's Birthday (no classes) |
Wed May 15 | Mon May 5 | Sun May 24 |
| Buddha's Birthday - Alternative Holiday (no classes) |
N/A | Tue May 6 | Mon May 25 |
| Last Day of Classes | Tue Jun 4 | Mon Jun 9 | Fri Jun 5 |
| Memorial Day (no classes) | Thu Jun 6 | Fri Jun 6 | Sat Jun 6 |
| Reading Day(s) | Mon Jun 10-Tue Jun 11 | Tue Jun 10 | Mon Jun 8-Tue Jun 9 |
| Examination Period | Wed Jun 12-Wed Jun 19 | Wed Jun 11-Wed Jun 18 | Wed Jun 10-Wed Jun 17 |
| Graduation Ceremony | Fri Jun 21 | Fri Jun 20 | Fri Jun 19 |
| Degree Conferral Date | Sat Jun 22 | Sat Jun 21 | Sat Jun 20 |
| SUMMER TERM | Summer 2024 | Summer 2025 | Summer 2026 |
| Registration Begins | Mon Apr 8 | Mon Apr 14 | Mon Apr 13 |
| First Day of Spring Classes | Mon Jun 17 | Mon Jun 23 | Mon Jun 22 |
| Last Day to Add Classes | Wed Jun 19 | Wed Jun 25 | Wed Jun 24 |
| Last Day to Drop Classes (with 100% tuition refund) | Wed Jun 19 | Wed Jun 25 | Wed Jun 24 |
| Last Day to Drop Classes (with 50% tuition refund) | Tue Jun 25 | Tue Jul 1 | Tue Jun 30 |
| Unrestricted Withdrawal Period | Wed Jun 26-Tue Jul 2 | Wed Jul 2-Tue Jul 8 | Wed Jul 1-Tue Jul 7 |
| Selective Withdrawal Period | Wed Jul 3-Wed Jul 10 | Wed Jul 9-Wed Jul 16 | Wed Jul 8-Wed Jul 15 |
| Last Day of Classes | Thu Jul 18 | Thu Jul 24 | Thu Jul 23 |
| Examination Period | Fri Jul 19-Sat Jul 20 | Fri Jul 25-Sat Jul 26 | Fri Jul 24-Sat Jul 25 |
| Degree Conferral | Sat Aug 24 | Sat Aug 23 | Sat Aug 22 |
* All dates are subject to change