---
title: "Changes to Hour Pillar"
method: POST
path: "/bazi/hour-pillar"
---

# Changes to Hour Pillar

`POST /bazi/hour-pillar`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 2 of 14 revisions.

- **2026-08-24** `8ab5a768b521` — 13 info
- **2026-08-22** `5a17388652f3` — 2 breaking, 1 info

## Changes

- **2026-08-24** `8ab5a768b521` — 13 info
  - added the optional property `data/cstHour` to the response with the `200` status
  - added the optional property `data/date` to the response with the `200` status
  - added the optional property `data/dayPillar/branch` to the response with the `200` status
  - added the optional property `data/dayPillar/pillar` to the response with the `200` status
  - added the optional property `data/dayPillar/stem` to the response with the `200` status
  - added the optional property `data/disclaimer` to the response with the `200` status
  - added the optional property `data/hourPillar/branchElement` to the response with the `200` status
  - added the optional property `data/hourPillar/stemElement` to the response with the `200` status
  - added the optional property `data/hourPillar/yin` to the response with the `200` status
  - added the optional property `data/localHour` to the response with the `200` status
  - added the optional property `data/methodology` to the response with the `200` status
  - added the optional property `data/time` to the response with the `200` status
  - added the optional property `data/timezoneOffset` to the response with the `200` status
- **2026-08-22** `5a17388652f3` — 2 breaking, 1 info
  - added the new required request property `date`
  - added the new required request property `time`
  - added the new optional request property `timezoneOffset`

---

[Operation](https://skmtc.dev/astroway/apis/astroway-calculation-api/docs/bazi/hour-pillar/post.md) · [API](https://skmtc.dev/astroway/apis/astroway-calculation-api.md) · [Page](https://skmtc.dev/astroway/apis/astroway-calculation-api/changes/bazi/hour-pillar/post)