check_lv_working_day

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Use this when you need a deterministic Latvia Latvia 2026 statutory calendar, explicit statutory_holidays_only and Monday-Friday planning baseline 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 latvia 2026 only. Explicit calendar_basis and work_schedule=mon_fri_planning are required. The transfer basis applies Cabinet Order 330 only when the organization is covered or has adopted it; no private employer adoption is inferred. Section 2 observances do not add rest. Shortening is conditional, not full-day rest. Six-day/shift/personal rosters, other religious calendars, bank/exchange/school opening, payroll, actual hours and legal deadlines are not computed. What it computes: Checks a date against the Saturday-Sunday weekend baseline and exact 2026-2026 authority events. Explicit transfer basis and mon_fri_planning required. Separate statutory rest, non-rest observances, transferred work/rest and conditional shortening. Example user requests: Latvia: Mother's Day is statutory even on Sunday. | Latvia: January 2 depends on explicit transfer basis. | Latvia: June 27 depends on explicit transfer basis. Inputs: date (date); calendar_basis (enum); work_schedule (enum). Complete JSON argument examples: {"date":"2026-05-10","calendar_basis":"statutory_holidays_only","work_schedule":"mon_fri_planning"} | {"date":"2026-01-02","calendar_basis":"statutory_holidays_only","work_schedule":"mon_fri_planning"} | {"date":"2026-06-27","calendar_basis":"statutory_holidays_only","work_schedule":"mon_fri_planning"} | {"date":"2026-05-10","calendar_basis":"cabinet_order_330_transfers","work_schedule":"mon_fri_planning"} | {"date":"2026-01-02","calendar_basis":"cabinet_order_330_transfers","work_schedule":"mon_fri_planning"} | {"date":"2026-06-27","calendar_basis":"cabinet_order_330_transfers","work_schedule":"mon_fri_planning"} 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, calendar_basis, work_schedule, is_statutory_holiday, is_non_rest_observance, is_transferred_rest_day, is_transferred_working_day, is_shortened_workday, statutory_shortening_hours, shortening_scope, payroll_scope, personal_roster_scope, working_hours_scope, additional_religious_holidays_scope. Formula: planning_workday = explicit transferred working date OR (weekday AND no statutory/selected transferred rest); shortened dates count once Direct REST fallback: POST https://tttkmbb.com/api/v1/calculate/latvia-public-working-day with the same JSON input fields. Do not guess another /api/* path. Docs: https://tttkmbb.com/everyday/latvia-public-working-day.md