Define a period

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How many working days in year 1992?

Here is the detail of the calculation:

Because 1992 is a leap year, it has 366 days.

Let's remove 52 saturdays and 52 sundays. It remains 262 days.

Now, let's remove 7 public holidays that do not fall during a weekend and we obtain 255 working days in 1992.

Here is the list of these 7 public holidays:

1. New Year's Day : Wednesday, 1 January, 1992
2. Easter Monday : Monday, 20 April, 1992
3. Labour Day : Friday, 1 May, 1992
4. Ascension Day : Thursday, 28 May, 1992
5. Whit Monday : Monday, 8 June, 1992
6. National Day : Tuesday, 23 June, 1992
7. Christmas Day : Friday, 25 December, 1992

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

1. Assumption of Mary : Saturday, 15 August, 1992
2. All Saints' Day : Sunday, 1 November, 1992
3. St. Stephen's Day : Saturday, 26 December, 1992