Define a period

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How many working days in year 1997?

Here is the detail of the calculation:

Because 1997 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 13 public holidays that do not fall during a weekend and we obtain 248 working days in 1997.

Here is the list of these 13 public holidays:

1. Republic Day / New Year's Day : Wednesday, 1 January, 1997
2. Epiphany : Monday, 6 January, 1997
3. Good Friday : Friday, 28 March, 1997
4. Easter Monday : Monday, 31 March, 1997
5. Labour Day : Thursday, 1 May, 1997
6. Victory over Fascism Day : Thursday, 8 May, 1997
7. Slovak National Uprising Anniversary : Friday, 29 August, 1997
8. Constitution Day : Monday, 1 September, 1997
9. Day of Our Lady of Sorrows : Monday, 15 September, 1997
10. Freedom and Democracy Day : Monday, 17 November, 1997
11. Christmas Eve : Wednesday, 24 December, 1997
12. Christmas Day : Thursday, 25 December, 1997
13. St. Stephen's Day : Friday, 26 December, 1997

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

1. Saints Cyril and Methodius’ Day : Saturday, 5 July, 1997
2. All Saints’ Day : Saturday, 1 November, 1997