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 11 public holidays that do not fall during a weekend and we obtain 251 working days in 1980.
Here is the list of these 11 public holidays:
1. New Year's Day : Tuesday, 1 January, 1980
2. Clean Monday : Monday, 18 February, 1980
3. Independence Day : Tuesday, 25 March, 1980
4. Good Friday : Friday, 4 April, 1980
5. Easter Monday : Monday, 7 April, 1980
6. Labour Day : Thursday, 1 May, 1980
7. Pentecost Monday : Monday, 26 May, 1980
8. Assumption : Friday, 15 August, 1980
9. Ochi Day : Tuesday, 28 October, 1980
10. Christmas : Thursday, 25 December, 1980
11. Glorifying Mother of God : Friday, 26 December, 1980
And here are the 3 public holidays falling on a weekend:
1. Epiphany : Sunday, 6 January, 1980
2. Orthodox Easter : Sunday, 6 April, 1980
3. Pentecost : Sunday, 25 May, 1980