---
title: "Changes to Davison Chart"
method: POST
path: "/davison"
---

# Changes to Davison Chart

`POST /davison`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 4 of 13 revisions.

- **2026-08-24** `8ab5a768b521` — 6 breaking, 4 warning, 36 info
- **2026-08-18** `dd3764875e7a` — 2 info
- **2026-08-15** `e637d1a9911b` — 4 warning
- **2026-08-11** `b0533bcc12c0` — 8 breaking, 8 warning, 4 info

## Changes

- **2026-08-24** `8ab5a768b521` — 6 breaking, 4 warning, 36 info
  - the response property `data/aspects/items/` became nullable for the status `200`
  - the response property `data/houses/cusps/items/` became nullable for the status `200`
  - the response property `data/planets/items/` became nullable for the status `200`
  - the `data/aspects/items/` response's property type/format changed from ``/`` to `object`/`` for status `200`
  - the `data/houses/cusps/items/` response's property type/format changed from ``/`` to `number`/`` for status `200`
  - the `data/planets/items/` response's property type/format changed from ``/`` to `object`/`` for status `200`
  - removed the optional property `data/date` from the response with the `200` status
  - removed the optional property `data/latitude` from the response with the `200` status
  - removed the optional property `data/longitude` from the response with the `200` status
  - removed the optional property `data/time` from the response with the `200` status
  - added the optional property `data/antiscia` to the response with the `200` status
  - added the optional property `data/antisciaAspects` to the response with the `200` status
  - added the optional property `data/aspects/items/exactAngle` to the response with the `200` status
  - added the optional property `data/aspects/items/isApplying` to the response with the `200` status
  - added the optional property `data/aspects/items/orb` to the response with the `200` status
  - added the optional property `data/aspects/items/planet1` to the response with the `200` status
  - added the optional property `data/aspects/items/planet1Id` to the response with the `200` status
  - added the optional property `data/aspects/items/planet2` to the response with the `200` status
  - added the optional property `data/aspects/items/planet2Id` to the response with the `200` status
  - added the optional property `data/aspects/items/type` to the response with the `200` status
  - added the optional property `data/chartSect` to the response with the `200` status
  - added the optional property `data/houseAspects` to the response with the `200` status
  - added the optional property `data/houses/armc` to the response with the `200` status
  - added the optional property `data/houses/coAscMunkasey` to the response with the `200` status
  - added the optional property `data/houses/coAscWK` to the response with the `200` status
  - added the optional property `data/houses/equatorialAsc` to the response with the `200` status
  - added the optional property `data/houses/mc` to the response with the `200` status
  - added the optional property `data/houses/polarAsc` to the response with the `200` status
  - added the optional property `data/houses/system` to the response with the `200` status
  - added the optional property `data/houses/vertex` to the response with the `200` status
  - added the optional property `data/input` to the response with the `200` status
  - added the optional property `data/julianDay` to the response with the `200` status
  - added the optional property `data/meta` to the response with the `200` status
  - added the optional property `data/parallelAspects` to the response with the `200` status
  - added the optional property `data/planets/items/declination` to the response with the `200` status
  - added the optional property `data/planets/items/distance` to the response with the `200` status
  - added the optional property `data/planets/items/id` to the response with the `200` status
  - added the optional property `data/planets/items/isRetrograde` to the response with the `200` status
  - added the optional property `data/planets/items/latitude` to the response with the `200` status
  - added the optional property `data/planets/items/longitude` to the response with the `200` status
  - …6 more
- **2026-08-18** `dd3764875e7a` — 2 info
  - added the new optional request property `chart1/ayanamsa`
  - added the new optional request property `chart2/ayanamsa`
- **2026-08-15** `e637d1a9911b` — 4 warning
  - the `chart1/timezoneOffset` request property's max was set to `14.00`
  - the `chart2/timezoneOffset` request property's max was set to `14.00`
  - the `chart1/timezoneOffset` request property's min was set to `-14.00`
  - the `chart2/timezoneOffset` request property's min was set to `-14.00`
- **2026-08-11** `b0533bcc12c0` — 8 breaking, 8 warning, 4 info
  - the request property `chart1/latitude` became not nullable
  - the request property `chart1/longitude` became not nullable
  - the request property `chart2/latitude` became not nullable
  - the request property `chart2/longitude` became not nullable
  - the request property `chart1/latitude` became required
  - the request property `chart1/longitude` became required
  - the request property `chart2/latitude` became required
  - the request property `chart2/longitude` became required
  - the `chart1/latitude` request property's max was set to `90.00`
  - the `chart1/longitude` request property's max was set to `180.00`
  - the `chart2/latitude` request property's max was set to `90.00`
  - the `chart2/longitude` request property's max was set to `180.00`
  - the `chart1/latitude` request property's min was set to `-90.00`
  - the `chart1/longitude` request property's min was set to `-180.00`
  - the `chart2/latitude` request property's min was set to `-90.00`
  - the `chart2/longitude` request property's min was set to `-180.00`
  - the `latitude` request property default value `0` was removed
  - the `latitude` request property default value `0` was removed
  - the `longitude` request property default value `0` was removed
  - the `longitude` request property default value `0` was removed

---

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