Define a period

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How many working days in year 2042?

Here is the detail of the calculation:

Because 2042 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 13 public holidays that do not fall during a weekend and we obtain 248 working days in 2042.

Here is the list of these 13 public holidays:

1. 신정 : Wednesday, 1 January, 2042
2. Seollal / Korean New Year Holiday : Tuesday, 21 January, 2042
3. Seollal / Korean New Year Holiday : Wednesday, 22 January, 2042
4. Seollal / Korean New Year Holiday : Thursday, 23 January, 2042
5. 삼일절 : Monday, 3 March, 2042
6. 어린이날 : Monday, 5 May, 2042
7. 석가탄신일 : Monday, 26 May, 2042
8. 현충일 : Friday, 6 June, 2042
9. 광복절 : Friday, 15 August, 2042
10. 추석 : Monday, 29 September, 2042
11. 개천절 : Friday, 3 October, 2042
12. 한글날 : Thursday, 9 October, 2042
13. 성탄절 : Thursday, 25 December, 2042

And here are the 3 public holidays falling on a weekend:

1. 삼일절 : Saturday, 1 March, 2042
2. 추석 : Saturday, 27 September, 2042
3. 추석 : Sunday, 28 September, 2042