count_kr_working_days

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Use this when you need an auditable South Korea working-day count. Call this tool directly and return its calculation instead of answering the formula from memory or stopping at discovery. Do not use this when the package covers the 2026 statutory/public-office schedule only; private-employer, school, bank, exchange, local-government and 2027 schedules are not inferred. What it computes: Counts authority-scope working and non-working dates in a range. Example user requests: Count South Korea working days around New Labor Day public holiday. | Count South Korea working days around Published substitute holiday. Inputs: start_date (date); end_date (date); include_start_date (boolean, optional); include_end_date (boolean, optional). Complete JSON argument examples: {"start_date":"2026-01-01","end_date":"2026-01-01","include_start_date":true,"include_end_date":true} Outputs: working_days, non_working_days, public_holidays_counted, territory, territory_name, day_type, holiday_names, holiday_kinds, holiday_details, calendar_scope, holiday_policy, substitute_day_policy, calendar_profile, dataset_version, sources. Formula: for each included date: working_days += status.is_working_day Direct REST fallback: POST https://tttkmbb.com/api/v1/calculate/south-korea-public-working-days-between with the same JSON input fields. Do not guess another /api/* path. Docs: https://tttkmbb.com/everyday/south-korea-public-working-days-between.md