SNU's academic year begins at March and ends at next February. An academic year has two regular semesters of spring and fall which are 16 weeks long, and two of six-weeks sessions during summer and winter breaks.
| 2021 MARCH |
02 (Tue) | Spring semester begins, Entrance ceremony |
|---|---|---|
| 02 (Tue) - 08 (Mon) | Course add and drop period | |
| 08 (Mon) - 12 (Fri) | Course demand survey for summer session | |
| 08 (Mon) - 19 (Fri) | Application period for faculty to open fall semester courses | |
| 22 (Mon) - 26 (Fri) | Application period for faculty to open summer session courses | |
| 25 (Thu) | First quarter of spring semester ends | |
| APRIL | 05 (Mon) - 09 (Fri) | Application period for double major and combined major |
| 21 (Wed) | Second quarter of spring semester ends, Last day to withdraw from courses | |
| 22 (Thu) - 23 (Fri) | Reading period | |
| 26 (Mon) - 30 (Fri) | Application period for minor, interdisciplinary minor, and student-designed major | |
| 30 (Fri) | Buddha’s Birthday (national holiday) | |
| MAY | 04 (Tue) - 12 (Wed) | Registration for summer session courses |
| 05 (Wed) | Children’s Day (national holiday) | |
| 18 (Tue) | Third quarter of spring semester ends | |
| 19 (Wed) | Buddha’s Birthday (national holiday) | |
| 24 (Mon) - Jun 11 (Fri) | Application period for fall semester scholarships | |
| JUNE | 14 (Mon) | Spring semester classes end |
| 15 (Tue) - 21 (Mon) | Make-up classes | |
| 15 (Tue) - Jul 16 (Fri) | Application period for re-admission and re-enrollment | |
| 15 (Tue) - Aug 31 (Tue) | Application period for re-registration | |
| 22 (Tue) | Summer break begins, Summer session classes begin | |
| 28 (Mon) | Last day for faculty to submit spring semester grades | |
| JULY | 12 (Mon) | Last day to withdraw from summer session courses |
| AUGUST | 02 (Mon) | Summer session classes end |
| 02 (Mon) - 06 (Fri) | Tuition payment period for newly admitted graduate students | |
| 09 (Mon) | Last day for faculty to submit summer session grades | |
| 10 (Tue) - 17 (Tue) | Registration for fall semester courses | |
| 23 (Mon) - 27 (Fri) | Tuition payment period for fall semester | |
| 27 (Fri) | Summer graduation ceremony | |
| 31 (Tue) | Summer break ends, spring semester ends | |
| SEPTEMBER | 01 (Wed) | Fall semester begins |
| 01 (Wed) | Fall semester classes begin | |
| 01 (Wed) - 07 (Tue) | Course add and drop period | |
| 06 (Mon) - 10 (Fri) | Course demand survey for winter session | |
| 06 (Mon) - 17 (Fri) | Application period for faculty to open next spring courses | |
| 20 (Mon) - 22 (Wed) | Chuseok (national holiday) | |
| 23 (Thu) - 29 (Wed) | Application period for faculty to open winter session courses | |
| 29 (Wed) | First quarter of fall semester ends | |
| OCTOBER | 04 (Mon) - 08 (Fri) | Application period for double major and combined major |
| 09 (Sat) | Hangeul Day (national holiday) | |
| 15 (Fri) | SNU Anniversary (no class) | |
| 25 (Mon) - 29 (Fri) | Application period for minor, interdisciplinary minor, and student-designed major | |
| 26 (Tue) | Second quarter of fall semester ends, Last day to withdraw from fall semester courses | |
| 28 (Thu) - 29 (Fri) | Reading period | |
| NOVEMBER | 02 (Tue) - 09 (Tue) | Registration for winter session courses |
| 19 (Fri) | Third quarter of fall semester ends | |
| 22 (Mon) - Dec 10 (Fri) | Application period for spring semester scholarships | |
| DECEMBER | 14 (Tue) | Fall semester courses end |
| 15 (Wed) - 21 (Tue) | Make-up classes | |
| 15 (Wed) - Jan 14 (Fri), 2022 | Application period for re-admission and re-enrollment | |
| 15 (Wed) - Feb 28 (Mon), 2022 | Application period for re-registration | |
| 22 (Wed) | Winter break begins, Winter session classes begin | |
| 25 (Sat) | Christmas (national holiday) | |
| 28 (Tue) | Last day for faculty to submit fall semester grades | |
| 2022 JANUARY |
01 (Sat) | New Year Day (national holiday) |
| 07 (Fri) | Last day to withdraw from winter session courses | |
| 10 (Mon) - 14 (Fri) | Application period for department transfer | |
| 25 (Tue) | Winter session courses end | |
| 31 (Mon) - Feb 02 (Wed) | Seol (national holiday) | |
| 2022 FEBRUARY |
03 (Thu) | Last day for faculty to submit winter session grades |
| 07 (Mon) - 11 (Fri) | Tuition payment period for newly admitted graduate students | |
| 07 (Mon) - 14 (Mon) | Registration for spring semester courses | |
| 09 (Wed) - 11 (Fri) | Tuition payment period for newly admitted undergraduate students | |
| 21 (Mon) - 25 (Fri) | Tuition payment period for spring semester | |
| 25 (Fri) | Winter graduation ceremony | |
| 28 (Mon) | Winter break ends, fall semester ends |
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