---
title: "Lunar Calendar"
method: POST
path: "/lunar-calendar"
tags: ["Calendar & Cycles"]
---

# Lunar Calendar

`POST /lunar-calendar`

Calculate a lunar calendar for a given month: Moon sign per day, lunar phases, void-of-course windows, and perigee/apogee.

## Request body

- LunarCalendar
  - `year` number, nullable, required
  - `month` number, nullable, required

## Response `200`

Successful calculation

- object
  - `ok` boolean
  - `data` object
    - `days` object[], nullable
      - `date` string, nullable
      - `moonSign` string, nullable
      - `moonLongitude` number, nullable
      - `phase` string, nullable
      - `voc` boolean, nullable
    - `phases` object[], nullable
      - `type` string, nullable
      - `date` string, nullable
      - `time` string, nullable

## Other responses

- `400` — Validation error
- `401` — Missing or invalid API key

---

[API](https://skmtc.net/astroway/apis/astroway-calculation-api.md) · [All operations](https://skmtc.net/astroway/apis/astroway-calculation-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/astroway/astroway-calculation-api/revisions/529d7d36d7d6/schema)