Define a period

...

How many working days in year 2030?

Here is the detail of the calculation:

Because 2030 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 12 public holidays that do not fall during a weekend and we obtain 249 working days in 2030.

Here is the list of these 12 public holidays:

1. Нова година : Tuesday, 1 January, 2030
2. Национален ден (наблюдаван) : Monday, 4 March, 2030
3. Православни Велики петък : Friday, 26 April, 2030
4. Православни Велики понеделник : Monday, 29 April, 2030
5. Ден на труда : Wednesday, 1 May, 2030
6. Гергьовден : Monday, 6 May, 2030
7. Ден на културата и славянската писменост : Friday, 24 May, 2030
8. Ден на съединението : Friday, 6 September, 2030
9. Ден на независимостта (наблюдаван) : Monday, 23 September, 2030
10. Бъдни вечер : Tuesday, 24 December, 2030
11. Коледа : Wednesday, 25 December, 2030
12. Втори ден на Коледа : Thursday, 26 December, 2030

And here are the 4 public holidays falling on a weekend:

1. Национален ден : Sunday, 3 March, 2030
2. Православна Велика събота : Saturday, 27 April, 2030
3. Православен Великден : Sunday, 28 April, 2030
4. Ден на независимостта : Sunday, 22 September, 2030