---
title: "24 Solar Terms (節氣)"
method: POST
path: "/chinese/solar-terms"
tags: ["Chinese: Zodiac & Feng Shui"]
---

# 24 Solar Terms (節氣)

`POST /chinese/solar-terms`

The 24 solar terms of a Chinese solar year as exact instants, in UTC and Beijing time. Twelve of them open a BaZi pillar month; the other twelve decide where a leap month falls.

## Request body

- ChineseSolarTermsInput
  - `year` integer, required

## Response `200`

Successful calculation

- object
  - `ok` boolean
  - `data` object
    - `year` number, nullable
    - `terms` object[], nullable
      - `index` number, nullable
      - `chinese` string, nullable
      - `pinyin` string, nullable
      - `english` string, nullable
      - `sunLongitude` number, nullable
      - `utc` string, nullable
      - `beijing` string, nullable
      - `opensPillarMonth` boolean, 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/6828e5609564/schema)