Define a period

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How many working days in year 2026?

Here is the detail of the calculation:

Because 2026 is not a leap year, it has 365 days.

Let's remove 52 saturdays and 52 sundays. It remains 261 days.

Now, let's remove 10 public holidays that do not fall during a weekend and we obtain 251 working days in 2026.

Here is the list of these 10 public holidays:

1. 신정 : Thursday, 1 January, 2026
2. Seollal / Korean New Year Holiday : Monday, 16 February, 2026
3. Seollal / Korean New Year Holiday : Tuesday, 17 February, 2026
4. Seollal / Korean New Year Holiday : Wednesday, 18 February, 2026
5. 삼일절 : Monday, 2 March, 2026
6. 어린이날 : Tuesday, 5 May, 2026
7. 추석 : Thursday, 24 September, 2026
8. 추석 : Friday, 25 September, 2026
9. 한글날 : Friday, 9 October, 2026
10. 성탄절 : Friday, 25 December, 2026

And here are the 6 public holidays falling on a weekend:

1. 삼일절 : Sunday, 1 March, 2026
2. 석가탄신일 : Sunday, 24 May, 2026
3. 현충일 : Saturday, 6 June, 2026
4. 광복절 : Saturday, 15 August, 2026
5. 추석 : Saturday, 26 September, 2026
6. 개천절 : Saturday, 3 October, 2026