---
title: "Aspect Timeline"
method: POST
path: "/aspect-timeline"
tags: ["Aspects & Points"]
---

# Aspect Timeline

`POST /aspect-timeline`

Calculate a timeline of when two specific planets form an exact aspect within a date range, including enter/exact/leave dates.

## Request body

- AspectTimeline
  - `startDate` string, required
  - `endDate` string, required
  - `stepDays` number, nullable
  - `planet1Ids` number[]
  - `planet2Ids` number[]
  - `aspectAngles` number[]
  - `maxOrb` number, nullable

## Response `200`

Successful calculation

- object
  - `ok` boolean
  - `data` object
    - `events` object[], nullable
      - `enterDate` string, nullable
      - `exactDate` string, nullable
      - `leaveDate` string, nullable
      - `aspect` string, nullable
      - `orb` number, 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)