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Sunrise-Sunset

Free, keyless sunrise, sunset, solar noon and twilight times for any coordinate

The Sunrise-Sunset API returns sunrise, sunset, solar noon, day length and civil/nautical/astronomical twilight times for a latitude/longitude on a given date. It is completely free with no signup or API key, returning JSON with UTC times by default.

Gratisnivå

Free, no key, no signup. Attribution link required.

Hastighetsgrenser

No numeric limit published; policy asks you not to exceed reasonable request volume.

Autentisering

Ingen nøkkel

Base-URL

https://api.sunrise-sunset.org

Hva du kan bygge med det

  • Trigger automations at local sunrise/sunset (lights, posts, jobs)
  • Show golden-hour / daylight info in a location tool
  • Compute day length for energy, agriculture or photography logic
  • Gate behavior on civil twilight without bundling an astronomy lib

Sentrale endepunkter

  • GET/jsonSun times for lat/lng on an optional date
  • GET/json?lat=..&lng=..&date=..&tzid=..Localized sun times with timezone and date
Members

Members get the runnable recipe

Sign in free to copy the example request, see a sample response, and read the gotchas.

Tagger

sunastronomygeodatetime