---
title: "Changes to Haab Civil Day"
method: POST
path: "/mayan/haab"
---

# Changes to Haab Civil Day

`POST /mayan/haab`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 1 of 13 revisions.

- **2026-08-22** `5a17388652f3` — 1 breaking

## Changes

- **2026-08-22** `5a17388652f3` — 1 breaking
  - added the new required request property `date`

---

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