Define a period

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How many working days in year 2012?

Here is the detail of the calculation:

Because 2012 is a leap year, it has 366 days.

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

Now, let's remove 8 public holidays that do not fall during a weekend and we obtain 253 working days in 2012.

Here is the list of these 8 public holidays:

1. Новы год : Monday, 2 January, 2012
2. Мiжнародны жаночы дзень : Thursday, 8 March, 2012
3. Радунiца : Tuesday, 24 April, 2012
4. Дзень працы : Tuesday, 1 May, 2012
5. Дзень Перамогi : Wednesday, 9 May, 2012
6. Дзень Незалежнасцi : Tuesday, 3 July, 2012
7. Дзень Кастрычніцкай рэвалюцыі : Wednesday, 7 November, 2012
8. Каляды каталiцкiя : Tuesday, 25 December, 2012

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

1. Новы год : Sunday, 1 January, 2012
2. Каляды праваслаўныя : Saturday, 7 January, 2012