Define a period

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How many working days in year 2052?

Here is the detail of the calculation:

Because 2052 is a leap year, it has 366 days.

Let's remove 52 saturdays and 52 sundays. It remains 262 days.

Now, let's remove 14 public holidays that do not fall during a weekend and we obtain 248 working days in 2052.

Here is the list of these 14 public holidays:

1. 신정 : Monday, 1 January, 2052
2. Seollal / Korean New Year Holiday : Wednesday, 31 January, 2052
3. Seollal / Korean New Year Holiday : Thursday, 1 February, 2052
4. Seollal / Korean New Year Holiday : Friday, 2 February, 2052
5. 삼일절 : Friday, 1 March, 2052
6. 어린이날 : Monday, 6 May, 2052
7. 현충일 : Thursday, 6 June, 2052
8. 광복절 : Thursday, 15 August, 2052
9. 추석 : Friday, 6 September, 2052
10. 개천절 : Thursday, 3 October, 2052
11. 추석 : Monday, 7 October, 2052
12. 추석 : Tuesday, 8 October, 2052
13. 한글날 : Wednesday, 9 October, 2052
14. 성탄절 : Wednesday, 25 December, 2052

And here are the 4 public holidays falling on a weekend:

1. 어린이날 : Sunday, 5 May, 2052
2. 추석 : Saturday, 7 September, 2052
3. 추석 : Sunday, 8 September, 2052
4. 추석 : Sunday, 6 October, 2052