How many working days in year 1980?
Here is the detail of the calculation:
Because 1980 is a leap year, it has 366 days.
Let's remove 52 saturdays and 52 sundays. It remains 262 days.
Now, let's remove 13 public holidays that do not fall during a weekend and we obtain 249 working days in 1980.
Here is the list of these 13 public holidays:
1. 신정 : Tuesday, 1 January, 1980
2. Seollal / Korean New Year Holiday : Friday, 15 February, 1980
3. 삼일절 : Monday, 3 March, 1980
4. 어린이날 : Monday, 5 May, 1980
5. 석가탄신일 : Wednesday, 21 May, 1980
6. 현충일 : Friday, 6 June, 1980
7. 광복절 : Friday, 15 August, 1980
8. 추석 : Monday, 22 September, 1980
9. 추석 : Tuesday, 23 September, 1980
10. 추석 : Wednesday, 24 September, 1980
11. 개천절 : Friday, 3 October, 1980
12. 한글날 : Thursday, 9 October, 1980
13. 성탄절 : Thursday, 25 December, 1980
And here are the 3 public holidays falling on a weekend:
1. Seollal / Korean New Year Holiday : Saturday, 16 February, 1980
2. Seollal / Korean New Year Holiday : Sunday, 17 February, 1980
3. 삼일절 : Saturday, 1 March, 1980
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