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. New Year's Holiday : Wednesday, 2 January, 1980
3. Orthodox Christmas Day : Monday, 7 January, 1980
4. National Day : Friday, 15 February, 1980
5. Great Friday : Friday, 4 April, 1980
6. Easter Monday : Monday, 7 April, 1980
7. May Day : Thursday, 1 May, 1980
8. May Day Holiday : Friday, 2 May, 1980
9. Armistice Day : Tuesday, 11 November, 1980
And here are the 3 public holidays falling on a weekend:
1. National Day Holiday : Saturday, 16 February, 1980
2. Orthodox Easter Saturday : Saturday, 5 April, 1980
3. Easter : Sunday, 6 April, 1980