---
title: "Maya Calendar (瑪雅長紀曆)"
method: GET
path: "/api/trpc/mayan.calendar"
tags: ["Mesoamerican"]
---

# Maya Calendar (瑪雅長紀曆)

`GET /api/trpc/mayan.calendar`

## Request

- Base URL: `https://api.asktian.com`
- URL: `https://api.asktian.com/api/trpc/mayan.calendar`
- Auth: HTTP bearer

The complete Maya calendar — the rest of the machine beyond the Tzolkʼin. Converts any date (GMT correlation, JDN 584283) into the Long Count (bakʼtun.kʼatun.tun.winal.kʼin), the Haabʼ 365-day vague year (18 months + the 5 Wayebʼ days), the meshed Calendar Round (52-year Tzolkʼin×Haabʼ cycle, with the date it next returns), the 9-day Lord of the Night (G1–G9), the Year Bearer, and the 819-day count. Verified to the day against 13.0.0.0.0 = 2012-12-21 = 4 Ahau 3 Kʼankʼin and the Pakal inscriptions.

Cost: 6 TIAN Points per call. tRPC procedure `mayan.calendar`.

## 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)