Define a period

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How many working days in year 1999?

Here is the detail of the calculation:

Because 1999 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 7 public holidays that do not fall during a weekend and we obtain 254 working days in 1999.

Here is the list of these 7 public holidays:

1. New Year's Day : Friday, 1 January, 1999
2. Orthodox Easter Friday : Friday, 9 April, 1999
3. Orthodox Easter Monday : Monday, 12 April, 1999
4. Pentecost Monday : Monday, 31 May, 1999
5. Children's Day : Tuesday, 1 June, 1999
6. St. Andrew's Day : Tuesday, 30 November, 1999
7. National Day : Wednesday, 1 December, 1999

And here are the 8 public holidays falling on a weekend:

1. Second Day of the New Year : Saturday, 2 January, 1999
2. Union of the Romanian Principalities : Sunday, 24 January, 1999
3. Orthodox Easter Sunday : Sunday, 11 April, 1999
4. Labour Day : Saturday, 1 May, 1999
5. Pentecost Sunday : Sunday, 30 May, 1999
6. Assumption : Sunday, 15 August, 1999
7. Christmas Day : Saturday, 25 December, 1999
8. Boxing day : Sunday, 26 December, 1999