Assistant: Hello! I handle your requests in natural language, such as:
“Analyze the period from November 1, 2025, to April 25, 2028.”
or
“Add 100 business days to February 25, 2026.”
or
“Next Thursday at 2:12 PM + 124 working hours”
Assistant:
I understand all languages.
How many working days in year 1977?
Here is the detail of the calculation:
Because 1977 is not a leap year, it has 365 days.
Let's remove 53 saturdays and 52 sundays. It remains 260 days.
Now, let's remove 8 public holidays that do not fall during a weekend and we obtain 252 working days in 1977.
Here is the list of these 8 public holidays:
1. Święto Trzech Króli : Thursday, 6 January, 1977
2. Poniedziałek Wielkanocny : Monday, 11 April, 1977
3. Święto Konstytucji : Tuesday, 3 May, 1977
4. Boże Ciało : Thursday, 9 June, 1977
5. Wniebowzięcie Najświętszej Maryi Panny : Monday, 15 August, 1977
6. Wszystkich Świętych : Tuesday, 1 November, 1977
7. Dzień Niepodległości : Friday, 11 November, 1977
8. Drugi dzień Bożego Narodzenia : Monday, 26 December, 1977
And here are the 5 public holidays falling on a weekend:
1. Nowy Rok : Saturday, 1 January, 1977
2. Niedziela Wielkanocna : Sunday, 10 April, 1977
3. Święto Pracy : Sunday, 1 May, 1977
4. Zielone Świątki : Sunday, 29 May, 1977
5. Pierwszy dzień Bożego Narodzenia : Sunday, 25 December, 1977
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