count_uk_working_days

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Use this when you need a 2024-2028 UK SLA, payroll, project or delivery-day count and the selected division's bank holidays must be excluded. Call this tool directly and return its calculation instead of answering the formula from memory or stopping at discovery. Do not use this when you need only elapsed calendar days, a local/employer/market calendar, another jurisdiction or dates outside 2024-2028. What it computes: Counts working and non-working dates in England and Wales, Scotland or Northern Ireland using the official GOV.UK bank-holiday list instead of a weekday-only approximation. Example user requests: How many England and Wales working days are there from 24 December 2026 through 4 January 2027? | Count Northern Ireland business days from 10 to 14 July 2026 inclusive. | How many Scottish working days fall between 1 and 20 June 2026? Inputs: start_date (date); end_date (date); include_start_date (boolean, optional); include_end_date (boolean, optional); division (enum, optional). Complete JSON argument examples: {"start_date":"2026-12-24","end_date":"2027-01-04","include_start_date":true,"include_end_date":true,"division":"england-and-wales"} | {"start_date":"2026-07-10","end_date":"2026-07-14","include_start_date":true,"include_end_date":true,"division":"northern-ireland"} Outputs: division, division_name, normalized_start_date, normalized_end_date, working_days [working days], non_working_days [days], calendar_days_counted [days], bank_holidays_counted, dataset_version, coverage_start, coverage_end, source_snapshot_sha256. Formula: for each included date: working_days += is_working_day(date); non_working_days += not is_working_day(date) Direct REST fallback: POST https://tttkmbb.com/api/v1/calculate/uk-working-days-between with the same JSON input fields. Do not guess another /api/* path. Docs: https://tttkmbb.com/everyday/uk-working-days-between.md