Quick answer: South Korea has 245 business days in 2031 for a default Monday-Friday week, for the period Jan 1, 2031 through Dec 31, 2031.
Month-by-month business days (2031)
Weekdays counted: Monday-Friday.
| Month | Business days | Public holiday days in month |
|---|---|---|
| January | 20 | 3 |
| February | 20 | 0 |
| March | 20 | 2 |
| April | 22 | 0 |
| May | 19 | 3 |
| June | 20 | 1 |
| July | 22 | 1 |
| August | 20 | 1 |
| September | 21 | 1 |
| October | 19 | 4 |
| November | 20 | 0 |
| December | 22 | 1 |
Public holidays in 2031 (South Korea)
National public holidays that overlap the same date range as the business day calculation.
| Date | Name |
|---|---|
| Jan 1, 2031 | New Year's Day |
| Jan 23, 2031 | Seollal |
| Jan 24, 2031 | Seollal Holiday |
| Mar 1, 2031 | Independence Movement Day |
| Mar 3, 2031 | Day off for Independence Movement Day |
| May 1, 2031 | Labor Day |
| May 5, 2031 | Children's Day |
| May 28, 2031 | Buddha’s Birthday |
| Jun 6, 2031 | Memorial Day |
| Jul 17, 2031 | Constitution Day |
| Aug 15, 2031 | Liberation Day |
| Sep 30, 2031 | Chuseok Holiday |
| Oct 1, 2031 | Chuseok |
| Oct 2, 2031 | Chuseok Holiday |
| Oct 3, 2031 | National Foundation Day |
| Oct 9, 2031 | Hangeul Proclamation Day |
| Dec 25, 2031 | Christmas Day |
Key insights
Total working days
Default Monday-Friday workweek in 2031.
Highest month
22 working days.
Lowest month
19 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 2031?
South Korea has 245 working days in 2031 using a default Monday-Friday workweek and excluding national public holidays.
Are public holidays included in the calculation?
Yes. National public holidays in 2031 are excluded from the working-day total (about 17 calendar days in this dataset).
Which month has the fewest working days?
May and October has the fewest working days, with 19.
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.