Calculation of vacation based on the calendar holidays and my prompt is wrong. Ignores the prompt "December 24th and 31st are half-days off, but output from perplexity.ai is correct

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“I have 16 vacation days left for 2024 and want to start my vacation on December 5th. Saturdays and Sundays are weekends, and December 25th and 26th are public holidays. December 24th and 31st are half-days off. Will 16 vacation days be enough for this?”

Wrong_Calculation_Based_on_the_Prompt
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Answer by ChatGpt

Actual : “So you still need 17 vacation days.”, which is wrong

Let’s break it down to see if your 16 vacation days are enough:

  1. Vacation period: December 5th to December 31st (includes 27 days).
  2. Weekends (Saturdays and Sundays): December 7-8, 14-15, 21-22, 28-29 = 8 days.
  • Remaining working days = 27 - 8 = 19 days.
  1. Public holidays (25th and 26th): These are days off, so we subtract 2 days.
  • Remaining working days = 19 - 2 = 17 days.
  1. Half-days (24th and 31st): These are still counted as full working days for vacation purposes.
  • So you still need 17 vacation days.

Expected : 16 days vacation is enough.

Same output from perplexity.ai is correct

You will need exactly 16 vacation days for your planned time off starting from December 5, which means your current balance of vacation days is sufficient for this schedule.