Определить период

...

How many working days in year 2021?

Here is the detail of the calculation:

Because 2021 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 2021.

Here is the list of these 7 public holidays:

1. New Year's Day : пятница, 1 январь, 2021
2. Makar Sankranti : четверг, 14 январь, 2021
3. Republic Day : вторник, 26 январь, 2021
4. Maharaja Shivaji Jayanti : пятница, 19 февраль, 2021
5. Good Friday : пятница, 2 апрель, 2021
6. Mesadi : среда, 14 апрель, 2021
7. Christmas Eve : пятница, 24 декабрь, 2021

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

1. Independence Day : воскресенье, 15 август, 2021
2. Mahatma Gandhi's Birthday : суббота, 2 октябрь, 2021
3. Christmas : суббота, 25 декабрь, 2021