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”
or
“I won't be working first week of next may (going to Greece)”
Assistant:
I understand all languages.
How many working days in year 1980?
Here is the detail of the calculation:
Because 1980 is a leap year, it has 366 days.
Let's remove 52 saturdays and 52 sundays. It remains 262 days.
Now, let's remove 11 public holidays that do not fall during a weekend and we obtain 251 working days in 1980.
Here is the list of these 11 public holidays:
1. New Year's Day : вівторок, 1 січень, 1980
2. Good Friday : п'ятниця, 4 квітень, 1980
3. Easter Monday : понеділок, 7 квітень, 1980
4. Labour Day : четвер, 1 травень, 1980
5. Ascension Day : четвер, 15 травень, 1980
6. National Day of Sweden : п'ятниця, 6 червень, 1980
7. Midsummer Eve : п'ятниця, 20 червень, 1980
8. Christmas Eve : середа, 24 грудень, 1980
9. Christmas Day : четвер, 25 грудень, 1980
10. Boxing Day : п'ятниця, 26 грудень, 1980
11. New Year's Eve : середа, 31 грудень, 1980
And here are the 5 public holidays falling on a weekend:
1. Epiphany : неділя, 6 січень, 1980
2. Easter Sunday : неділя, 6 квітень, 1980
3. Whit Sunday : неділя, 25 травень, 1980
4. Midsummer's Day : субота, 21 червень, 1980
5. All Saints' Day : субота, 1 листопад, 1980