check_id_working_day

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Use this when you need a deterministic Indonesia Indonesia national holidays and joint-leave schedule published by the three-minister SKB result. Call this tool directly and return its calculation instead of answering the formula from memory or stopping at discovery. Do not use this when cuti bersama is facultative for private employers and may be governed by each employer; ASN-specific implementation and local, sector, religious-optional and employer schedules are not inferred. What it computes: Checks a date against the Saturday-Sunday weekend baseline and exact 2026-2027 authority events. Example user requests: Indonesia: National holiday. | Indonesia: Joint leave is separately labelled. Inputs: date (date). Complete JSON argument examples: {"date":"2026-08-17"} | {"date":"2027-03-12"} Outputs: territory, territory_name, weekday, is_working_day, day_type, holiday_names, holiday_kinds, holiday_details, calendar_scope, holiday_policy, substitute_day_policy, calendar_profile, dataset_version, sources. Formula: is_working_day = not an official Saturday/Sunday weekend date and no exact authority event Direct REST fallback: POST https://tttkmbb.com/api/v1/calculate/indonesia-public-working-day with the same JSON input fields. Do not guess another /api/* path. Docs: https://tttkmbb.com/everyday/indonesia-public-working-day.md