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 1989?
Here is the detail of the calculation:
Because 1989 is not a leap year, it has 365 days.
Let's remove 52 saturdays and 53 sundays. It remains 260 days.
Now, let's remove 9 public holidays that do not fall during a weekend and we obtain 251 working days in 1989.
Here is the list of these 9 public holidays:
1. Święto Trzech Króli : Friday, 6 January, 1989
2. Poniedziałek Wielkanocny : Monday, 27 March, 1989
3. Święto Pracy : Monday, 1 May, 1989
4. Święto Konstytucji : Wednesday, 3 May, 1989
5. Boże Ciało : Thursday, 25 May, 1989
6. Wniebowzięcie Najświętszej Maryi Panny : Tuesday, 15 August, 1989
7. Wszystkich Świętych : Wednesday, 1 November, 1989
8. Pierwszy dzień Bożego Narodzenia : Monday, 25 December, 1989
9. Drugi dzień Bożego Narodzenia : Tuesday, 26 December, 1989
And here are the 4 public holidays falling on a weekend:
1. Nowy Rok : Sunday, 1 January, 1989
2. Niedziela Wielkanocna : Sunday, 26 March, 1989
3. Zielone Świątki : Sunday, 14 May, 1989
4. Dzień Niepodległości : Saturday, 11 November, 1989
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