Sunrise & Sunset Times MCP Server

by sunrise-sunset Your server? Claim it

answering

Sunrise & Sunset Times is answering right now. Last checked 8 min ago. It exposes 2 tools. Last commit 16 Oct 2026.

Sunrise, sunset, twilight, golden hour and moon times for any place on Earth. Free, no API key.

Uptime history 11 days of history

11 days agonow

100.0%

Uptime 24h

91 of 91 checks

Tools

read from the server

390 ms

Response time

average over 24h

Stars

last commit 16 Oct 2026

What changed 3

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 16 October 2026. No other catalogue keeps this.

16 Oct 2 tool descriptions were rewritten get_sun_times, get_sun_times_range

16 Oct a tool changed version

Nothing serious here today

Today is the operative word: we check Sunrise & Sunset Times every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 8 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add sun-times --transport http https://api.sunrise-sunset.org/mcp

Settings → Connectors → Add custom connector, then paste this address

https://api.sunrise-sunset.org/mcp

~/.codex/config.toml

[mcp_servers.sun-times]
url = "https://api.sunrise-sunset.org/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "sun-times": {
      "url": "https://api.sunrise-sunset.org/mcp"
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "sun-times": {
      "type": "http",
      "url": "https://api.sunrise-sunset.org/mcp"
    }
  }
}

Available tools 2

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

sun

get_sun_times

Sunrise, sunset, solar noon, day length, civil/nautical/astronomical twilight, dawn/dusk, first/last light, golden hour, blue hour, sunrise/sunset azimuth, solar noon altitude, moonrise/moonset, moon phase and illumination for any coordinates on Earth and any date. Times are ISO 8601 in the local timezone of the location. Polar day/night handled via sun_status (normal | midnight_sun | polar_night); events that do not occur are null.

get_sun_times_range

Same per-day data as get_sun_times but for an inclusive date range (up to 366 days) in a single call. Use this instead of repeated get_sun_times calls when you need several consecutive days. The days array may contain fewer entries than the number of dates requested: calendar days that never existed in that timezone (Samoa skipped 30 December 2011 when it crossed the date line) are left out, so read each entry's date field instead of assuming one per requested date.

Endpoints

URL	Transport	State	Latency	Checked
https://api.sunrise-sunset.org/mcp	streamable-http	answering	353 ms	8 min ago

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Sunrise & Sunset Times — questions

Answers built from our own checks of this server.

What can Sunrise & Sunset Times do?

It exposes 2 tools, read directly from the server on our last check. Among them: get_sun_times, get_sun_times_range. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →

Is Sunrise & Sunset Times working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 91 of 91 checks got a reply (100.0%), average response time 390 ms. The bar chart above shows every period we have measured.

How do I connect Sunrise & Sunset Times?

Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.

Does Sunrise & Sunset Times need an API key?

No. Sunrise & Sunset Times completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 2 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is Sunrise & Sunset Times?

It answers our handshake in 390 ms on average, which is faster than 37% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.

Is Sunrise & Sunset Times open source?

The code is open source: it is published under the MIT licence and 0 stars on GitHub. The licence covers the code in the repository, not the hosted service at api.sunrise-sunset.org, which runs on its operator's own terms.