How many working days in year 1987?
Here is the detail of the calculation:
Because 1987 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 11 public holidays that do not fall during a weekend and we obtain 250 working days in 1987.
Here is the list of these 11 public holidays:
1. 신정 : Thursday, 1 January, 1987
2. Seollal / Korean New Year Holiday : Wednesday, 28 January, 1987
3. Seollal / Korean New Year Holiday : Thursday, 29 January, 1987
4. Seollal / Korean New Year Holiday : Friday, 30 January, 1987
5. 삼일절 : Monday, 2 March, 1987
6. 어린이날 : Tuesday, 5 May, 1987
7. 추석 : Tuesday, 6 October, 1987
8. 추석 : Wednesday, 7 October, 1987
9. 추석 : Thursday, 8 October, 1987
10. 한글날 : Friday, 9 October, 1987
11. 성탄절 : Friday, 25 December, 1987
And here are the 4 public holidays falling on a weekend:
1. 삼일절 : Sunday, 1 March, 1987
2. 현충일 : Saturday, 6 June, 1987
3. 광복절 : Saturday, 15 August, 1987
4. 개천절 : Saturday, 3 October, 1987