---
title: "Changes to Calendar Round"
method: POST
path: "/mayan/calendar-round"
---

# Changes to Calendar Round

`POST /mayan/calendar-round`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 2 of 13 revisions.

- **2026-08-24** `8ab5a768b521` — 9 info
- **2026-08-22** `5a17388652f3` — 1 breaking

## Changes

- **2026-08-24** `8ab5a768b521` — 9 info
  - added the optional property `data/date` to the response with the `200` status
  - added the optional property `data/description` to the response with the `200` status
  - added the optional property `data/haab/day` to the response with the `200` status
  - added the optional property `data/haab/label` to the response with the `200` status
  - added the optional property `data/haab/month` 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/tzolkin/label` to the response with the `200` status
  - added the optional property `data/tzolkin/name` to the response with the `200` status
  - added the optional property `data/tzolkin/number` to the response with the `200` status
- **2026-08-22** `5a17388652f3` — 1 breaking
  - added the new required request property `date`

---

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