Define a period

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How many working days in year 2020?

Here is the detail of the calculation:

Because 2020 is a leap year, it has 366 days.

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

Now, let's remove 9 public holidays that do not fall during a weekend and we obtain 253 working days in 2020.

Here is the list of these 9 public holidays:

1. New Year's Day : Wednesday, 1 January, 2020
2. National Sovereignty and Children's Day : Thursday, 23 April, 2020
3. Labour and Solidarity Day : Friday, 1 May, 2020
4. Commemoration of Atatürk, Youth and Sports Day : Tuesday, 19 May, 2020
5. Ramadan Feast (Eid al-Fitr) : Monday, 25 May, 2020
6. Ramadan Feast (Eid al-Fitr) : Tuesday, 26 May, 2020
7. Day of Democracy and Freedoms : Wednesday, 15 July, 2020
8. Republic Day Eve : Wednesday, 28 October, 2020
9. Republic Day : Thursday, 29 October, 2020

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

1. Ramadan Feast (Eid al-Fitr) : Sunday, 24 May, 2020
2. Victory Day : Sunday, 30 August, 2020