Define a period

...

How many working days in year 1984?

Here is the detail of the calculation:

Because 1984 is a leap year, it has 366 days.

Let's remove 52 saturdays and 53 sundays. It remains 261 days.

Now, let's remove 7 public holidays that do not fall during a weekend and we obtain 254 working days in 1984.

Here is the list of these 7 public holidays:

1. New Year Holiday : Monday, 2 January, 1984
2. Women's Day : Thursday, 8 March, 1984
3. Radonitsa : Tuesday, 1 May, 1984
4. Victory Day : Wednesday, 9 May, 1984
5. Independence Day : Tuesday, 3 July, 1984
6. October Revolution Day : Wednesday, 7 November, 1984
7. Christmas Day : Tuesday, 25 December, 1984

And here are the 2 public holidays falling on a weekend:

1. New Year Holiday : Sunday, 1 January, 1984
2. Orthodox Christmas : Saturday, 7 January, 1984