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 9 public holidays that do not fall during a weekend and we obtain 253 working days in 1980.
Here is the list of these 9 public holidays:
1. New Year's Day : Tuesday, 1 January, 1980
2. Good Friday : Friday, 4 April, 1980
3. Spring Day : Thursday, 1 May, 1980
4. Victory Day : Monday, 23 June, 1980
5. Midsummer Day : Tuesday, 24 June, 1980
6. Independence Restoration Day : Wednesday, 20 August, 1980
7. Christmas Eve : Wednesday, 24 December, 1980
8. Christmas Day : Thursday, 25 December, 1980
9. Second Day of Christmas : Friday, 26 December, 1980
And here are the 3 public holidays falling on a weekend:
1. Independence Day : Sunday, 24 February, 1980
2. Easter : Sunday, 6 April, 1980
3. Pentecost : Sunday, 25 May, 1980