# Add New Zealand Working Days

> Adds or subtracts New Zealand national working days in exact 2026-2027 coverage.

- Calculator id: `new-zealand-add-working-days` · Category: Everyday Life (`everyday`) · Tool name: `add_new_zealand_working_days`
- Canonical page: https://tttkmbb.com/everyday/new-zealand-add-working-days · This document: https://tttkmbb.com/everyday/new-zealand-add-working-days.md · JSON definition: https://tttkmbb.com/everyday/new-zealand-add-working-days.json

## Purpose

Adds or subtracts New Zealand national working days in exact 2026-2027 coverage.

**Use when:** You need a deterministic New Zealand national statutory offset.

**Do not use when:** You need a regional anniversary or employer-specific calendar.

## Example user requests

- Add one New Zealand working day after 2027-02-05.


## Input

| Parameter | Type | Unit | Required | Description |
| --- | --- | --- | --- | --- |
| `start_date` | date |  | required | Gregorian start date in 2026-2027. |
| `working_days` | integer |  | required | Signed offset; start date excluded for non-zero offsets. (min -1000, max 1000) |

## Output

| Field | Type | Unit | Description |
| --- | --- | --- | --- |
| `start_date` | date |  | Input date. |
| `result_date` | date |  | Date reached. |
| `working_days_added` | integer |  | Signed requested offset. |
| `calendar_days_elapsed` | integer |  | Signed Gregorian difference. |
| `public_holidays_skipped` | list |  | Exact national holidays crossed. |
| `territory` | string |  | NZ. |
| `territory_name` | string |  | New Zealand. |
| `holiday_names` | string_list |  | National holidays applying on the date. |
| `calendar_scope` | string |  | National statutory public holidays only. |
| `regional_anniversary_day_policy` | string |  | Regional anniversary days are not inferred. |
| `calendar_profile` | string |  | new-zealand-employment-public-holidays. |
| `dataset_version` | string |  | Pinned New Zealand government package. |
| `sources` | list |  | Official New Zealand Government and Employment New Zealand sources. |

## Formula

`move one day at a time; decrement only on New Zealand status.is_working_day=true`

Skip Saturday/Sunday and exact national holiday/observed dates.

## Data Sources

- Employment New Zealand public holidays and anniversary dates — https://www.employment.govt.nz/leave-and-holidays/public-holidays/public-holidays-and-anniversary-dates (government, published 2026-09-25)
- New Zealand Government public holidays and anniversary dates — https://www.govt.nz/browse/work/public-holidays-and-work/public-holidays-and-anniversary-dates/ (government)
- New Zealand public holidays over Christmas and New Year — https://www.govt.nz/browse/work-and-tax/public-holidays-and-work/public-holidays-over-christmas-and-new-year/ (government)
- Matariki Public Holiday Act 2022 date table — https://www.mch.govt.nz/engagement-maori/matariki (government)

Data freshness: `static`. Pinned 2026-2027 package.

## API

- `GET https://tttkmbb.com/api/v1/calculate/new-zealand-add-working-days?start_date=…&working_days=…`
- `POST https://tttkmbb.com/api/v1/calculate/new-zealand-add-working-days` with JSON body `{"inputs": {…}}`
- Response: unified envelope (`success`, `request`, `result.values`, `result.units`, `sources`, `freshness`, `timestamp`, `next_actions`, `links`); see https://tttkmbb.com/docs/response-format.md
- Schema: https://tttkmbb.com/api/v1/calculators/new-zealand-add-working-days · OpenAPI operationId `add_new_zealand_working_days` in https://tttkmbb.com/openapi.json
- Authentication: none. Rate limit: fair use, see https://tttkmbb.com/docs/rate-limits.md.

## MCP

- Server: `https://tttkmbb.com/mcp` (Streamable HTTP, JSON-RPC 2.0, no auth)
- Tool: `add_new_zealand_working_days` (dedicated) or `run_calculator` with `{"calculator_id": "new-zealand-add-working-days", "inputs": {…}}`

## Example

- Across Waitangi Day observed: inputs `{"start_date":"2027-02-05","working_days":1}` → `{"result_date":"2027-02-09"}`

```
GET https://tttkmbb.com/api/v1/calculate/new-zealand-add-working-days?start_date=2027-02-05&working_days=1
```

## Limitations

You need a regional anniversary or employer-specific calendar. Skip Saturday/Sunday and exact national holiday/observed dates. All values are computed from the formula above; no measurement or live data is involved.

## FAQ

**Are regional anniversary days included?**

No. They require a regional/local-council scope and are not inferred.

## Related

- [New Zealand Working Day](https://tttkmbb.com/everyday/new-zealand-working-day.md) — Inspect a date and source evidence.