How many working days in year 1975?
Here is the detail of the calculation:
Because 1975 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 12 public holidays that do not fall during a weekend and we obtain 249 working days in 1975.
Here is the list of these 12 public holidays:
1. 신정 : Wednesday, 1 January, 1975
2. Seollal / Korean New Year Holiday : Monday, 10 February, 1975
3. Seollal / Korean New Year Holiday : Tuesday, 11 February, 1975
4. Seollal / Korean New Year Holiday : Wednesday, 12 February, 1975
5. 삼일절 : Monday, 3 March, 1975
6. 어린이날 : Monday, 5 May, 1975
7. 현충일 : Friday, 6 June, 1975
8. 광복절 : Friday, 15 August, 1975
9. 추석 : Friday, 19 September, 1975
10. 개천절 : Friday, 3 October, 1975
11. 한글날 : Thursday, 9 October, 1975
12. 성탄절 : Thursday, 25 December, 1975
And here are the 4 public holidays falling on a weekend:
1. 삼일절 : Saturday, 1 March, 1975
2. 석가탄신일 : Sunday, 18 May, 1975
3. 추석 : Saturday, 20 September, 1975
4. 추석 : Sunday, 21 September, 1975