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 1999?
Here is the detail of the calculation:
Because 1999 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 5 public holidays that do not fall during a weekend and we obtain 255 working days in 1999.
Here is the list of these 5 public holidays:
1. Pesach : Thursday, 1 April, 1999
2. Shvi'i shel Pesach : Wednesday, 7 April, 1999
3. Yom Ha-Atzmaut : Wednesday, 21 April, 1999
4. Rosh Hashanah : Sunday, 12 September, 1999
5. Yom Kippur : Monday, 20 September, 1999
And here are the 4 public holidays falling on a weekend:
1. Shavuot : Friday, 21 May, 1999
2. Rosh Hashanah : Saturday, 11 September, 1999
3. Sukkot : Saturday, 25 September, 1999
4. Shemini Atzeret / Simchat Torah : Saturday, 2 October, 1999
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