---
title: "Moon Aspects"
method: POST
path: "/moon-aspects"
tags: ["Calendar & Cycles"]
---

# Moon Aspects

`POST /moon-aspects`

Calculate all aspects the Moon makes within a date range (applying and separating), useful for electional and horary work.

## Request body

- MoonAspects
  - `year` integer, required
  - `month` integer, required

## Response `200`

Successful calculation

- object
  - `ok` boolean
  - `data` object
    - `events` object[], nullable
      - `jd` number, nullable
      - `date` string, nullable
      - `planetId` number, nullable
      - `aspect` object, nullable
        - `name` string, nullable
        - `i18nKey` string, nullable
        - `angle` number, nullable
        - `orb` number, nullable
        - `symbol` string, nullable
        - `isMajor` boolean, nullable
        - `color` string, nullable
      - `moonLongitude` number, nullable

## Other responses

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

## Changes

- **2026-08-24** `8ab5a768b521` — 1 warning, 1 info
  - removed the optional property `data/aspects` from the response with the `200` status
  - added the optional property `data/events` to the response with the `200` status
- **2026-08-23** `6828e5609564` — 1 breaking, 2 warning
  - the request property `year` became not nullable
  - the `year` request property's max was set to `9999.00`
  - the `year` request property's min was set to `1.00`

[Change history](https://skmtc.dev/astroway/apis/astroway-calculation-api/changes/moon-aspects/post.md)

---

[API](https://skmtc.dev/astroway/apis/astroway-calculation-api.md) · [All operations](https://skmtc.dev/astroway/apis/astroway-calculation-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/astroway/astroway-calculation-api/revisions/8ab5a768b521/schema)