Define a period

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How many working days in year 1959?

Here is the detail of the calculation:

Because 1959 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 11 public holidays that do not fall during a weekend and we obtain 250 working days in 1959.

Here is the list of these 11 public holidays:

1. New Year's Day : Thursday, 1 January, 1959
2. National day : Tuesday, 3 March, 1959
3. Orthodox Easter Friday : Friday, 1 May, 1959
4. Orthodox Easter Monday : Monday, 4 May, 1959
5. St. George's Day : Wednesday, 6 May, 1959
6. Culture and Literacy Day (observance) : Monday, 25 May, 1959
7. Unification Day (observance) : Monday, 7 September, 1959
8. Independence Day : Tuesday, 22 September, 1959
9. Christmas Eve : Thursday, 24 December, 1959
10. Christmas Day : Friday, 25 December, 1959
11. Christmas Day (observance) : Monday, 28 December, 1959

And here are the 5 public holidays falling on a weekend:

1. Orthodox Easter Saturday : Saturday, 2 May, 1959
2. Orthodox Easter Sunday : Sunday, 3 May, 1959
3. Culture and Literacy Day : Sunday, 24 May, 1959
4. Unification Day : Sunday, 6 September, 1959
5. Boxing day : Saturday, 26 December, 1959