Quick answer: South Korea has 244 business days in 2025 for a default Monday-Friday week, for the period Jan 1, 2025 through Dec 31, 2025.
Month-by-month business days (2025)
Weekdays counted: Monday-Friday.
| Month | Business days | Public holiday days in month |
|---|---|---|
| January | 18 | 5 |
| February | 20 | 0 |
| March | 20 | 2 |
| April | 22 | 0 |
| May | 20 | 2 |
| June | 19 | 2 |
| July | 23 | 0 |
| August | 20 | 1 |
| September | 22 | 0 |
| October | 18 | 6 |
| November | 20 | 0 |
| December | 22 | 1 |
Public holidays in 2025 (South Korea)
National public holidays that overlap the same date range as the business day calculation.
| Date | Name |
|---|---|
| Jan 1, 2025 | New Year's Day |
| Jan 27, 2025 | Seollal Holiday |
| Jan 28, 2025 | Seollal Holiday |
| Jan 29, 2025 | Seollal |
| Jan 30, 2025 | Seollal Holiday |
| Mar 1, 2025 | Independence Movement Day |
| Mar 3, 2025 | Day off for Independence Movement Day |
| May 5, 2025 | Children's Day |
| May 5, 2025 | Buddha’s Birthday |
| May 6, 2025 | Day off for Children's Day |
| Jun 3, 2025 | Presidential Election |
| Jun 6, 2025 | Memorial Day |
| Aug 15, 2025 | Liberation Day |
| Oct 3, 2025 | National Foundation Day |
| Oct 5, 2025 | Chuseok Holiday |
| Oct 6, 2025 | Chuseok |
| Oct 7, 2025 | Chuseok Holiday |
| Oct 8, 2025 | Day off for Chuseok Holiday |
| Oct 9, 2025 | Hangeul Proclamation Day |
| Dec 25, 2025 | Christmas Day |
Key insights
Total working days
Default Monday-Friday workweek in 2025.
Highest month
23 working days.
Lowest month
18 working days.
Holidays included
National public holidays excluded from the total.
Related guides & tools
Frequently asked questions
How many working days are there in South Korea in 2025?
South Korea has 244 working days in 2025 using a default Monday-Friday workweek and excluding national public holidays.
Are public holidays included in the calculation?
Yes. National public holidays in 2025 are excluded from the working-day total (about 19 calendar days in this dataset).
Which month has the fewest working days?
January and October has the fewest working days, with 18.
Can I customize the working week or include a region?
Yes. Use the business days calculator to change weekdays, add a region filter (when available), or calculate a custom range.