Define a period

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How many working days in year 2013?

Here is the detail of the calculation:

Because 2013 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 10 public holidays that do not fall during a weekend and we obtain 251 working days in 2013.

Here is the list of these 10 public holidays:

1. New Year's Day : Tuesday, 1 January, 2013
2. Easter Monday : Monday, 1 April, 2013
3. Labour Day : Wednesday, 1 May, 2013
4. National Day : Thursday, 30 May, 2013
5. Victory and Homeland Thanksgiving Day : Monday, 5 August, 2013
6. Assumption Day : Thursday, 15 August, 2013
7. All Saints' Day : Friday, 1 November, 2013
8. Remembrance Day : Monday, 18 November, 2013
9. Christmas Day : Wednesday, 25 December, 2013
10. St. Stephen's Day : Thursday, 26 December, 2013

And here are the 3 public holidays falling on a weekend:

1. Epiphany : Sunday, 6 January, 2013
2. Easter : Sunday, 31 March, 2013
3. Anti-Fascist Struggle Day : Saturday, 22 June, 2013