---
title: "Panchang Tithi Calendar"
method: GET
path: "/panchang/tithi/{tithi_slug}"
---

# Panchang Tithi Calendar

`GET /panchang/tithi/{tithi_slug}`

## Request

- Base URL: `https://jyotish-api.bda.ai` (the document declares no server; this is the origin it was published from)
- URL: `https://jyotish-api.bda.ai/panchang/tithi/{tithi_slug}`
- Auth: none declared

Annual astronomical start/end spans for one Tithi.

Coordinates are mandatory so this public contract never silently assumes a
user's location. The result is factual Moon-Sun elongation timing only; it
does not select a festival, Vrat, Parana or Muhurta observance date.

## Path parameters

- `tithi_slug` string, required

## Query parameters

- `year` integer, required
- `lat` number, required: Latitude in decimal degrees
- `lng` number, required: Longitude in decimal degrees
- `tz` string, nullable: Timezone hint; coordinates remain authoritative

## Response `200`

Successful Response

- unknown

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/bda/apis/bda-jyotish-panchang-service.md) · [All operations](https://skmtc.dev/bda/apis/bda-jyotish-panchang-service/llms.txt) · [OpenAPI document](https://skmtc.dev/bda/apis/bda-jyotish-panchang-service/revisions/90f241bf4009?raw)