---
title: "Spring Ox (春牛芒神) (春牛芒神)"
method: GET
path: "/api/trpc/almanac.springOx"
tags: ["Eastern"]
---

# Spring Ox (春牛芒神) (春牛芒神)

`GET /api/trpc/almanac.springOx`

## Request

- Base URL: `https://api.asktian.com`
- URL: `https://api.asktian.com/api/trpc/almanac.springOx`
- Auth: HTTP bearer

The tongshu's annual figure computed from the Qing 春牛經 rules — twelve parts verified against the published 2025 description, the coat/belt table proven equal to its generative theorem, the ±5-day stance rule fed by the catalogue's own lichun and lunar engines, and the un-double-sourced sub-rules deferred by name.

Cost: 2 TIAN Points per call. tRPC procedure `almanac.springOx`.

## Query parameters

- `input` string

## Response `200`

tRPC result envelope

- TrpcResult: tRPC HTTP response envelope.
  - `result` object
    - `data` object: The procedure's return value (system-specific).

---

[API](https://skmtc.dev/asktian/apis/asktian-metaphysics-api.md) · [All operations](https://skmtc.dev/asktian/apis/asktian-metaphysics-api/llms.txt) · [OpenAPI document](https://skmtc.dev/asktian/apis/asktian-metaphysics-api/revisions/3c8fdc979206?raw)