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 2100?
Here is the detail of the calculation:
Because 2100 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 2100.
Here is the list of these 7 public holidays:
1. New Year's Day : Friday, 1 January, 2100
2. Seollal / Korean New Year Holiday : Monday, 8 February, 2100
3. Seollal / Korean New Year Holiday : Tuesday, 9 February, 2100
4. Seollal / Korean New Year Holiday : Wednesday, 10 February, 2100
5. Independence Movement Day : Monday, 1 March, 2100
6. Children's Day : Wednesday, 5 May, 2100
7. Chuseok / Midautumn Festival : Friday, 17 September, 2100
And here are the 8 public holidays falling on a weekend:
1. Buddha's Birthday : Sunday, 16 May, 2100
2. Memorial Day : Sunday, 6 June, 2100
3. Liberation Day : Sunday, 15 August, 2100
4. Chuseok / Midautumn Festival : Saturday, 18 September, 2100
5. Chuseok / Midautumn Festival : Sunday, 19 September, 2100
6. National Foundation Day : Sunday, 3 October, 2100
7. Hangeul Day : Saturday, 9 October, 2100
8. Christmas Day : Saturday, 25 December, 2100
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