---
title: "Ephemerides as an iCalendar feed"
method: GET
path: "/v1/ephemerides/feed.ics"
tags: ["Ephemerides"]
---

# Ephemerides as an iCalendar feed

`GET /v1/ephemerides/feed.ics`

## Request

- Base URL: `https://thirdtrail.life`
- URL: `https://thirdtrail.life/v1/ephemerides/feed.ics`
- Auth: one of:
  - HTTP bearer
  - API key in cookie `sessionid`

The same data as `text/calendar`, for subscribing in a calendar client rather than calling the JSON endpoint.

## Query parameters

- `auto_elevation` boolean
- `auto_timezone` boolean
- `days` integer
- `elevation` number, double
- `lang` string
- `lat` number, double, required
- `lon` number, double, required
- `start_date` string
- `tz` string
- `utc_offset` string

## Response `200`

No response body

---

[API](https://skmtc.dev/thirdtrail/apis/thirdtrail-api.md) · [All operations](https://skmtc.dev/thirdtrail/apis/thirdtrail-api/llms.txt) · [OpenAPI document](https://skmtc.dev/thirdtrail/apis/thirdtrail-api/revisions/742040ec3db6?raw)