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GET /v1/distance

Distance from time

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10 free calls per day — no sign-up, no API key. Goes through the oanor gateway.

Custom headers (optional)
api.oanor.com/lighttime-api

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Code snippets

curl "https://api.oanor.com/lighttime-api/v1/distance" \
  -H "x-oanor-key: oanor_test_..."
await fetch("https://api.oanor.com/lighttime-api/v1/distance", {
  headers: { "x-oanor-key": "oanor_test_..." }
});
$ch = curl_init("https://api.oanor.com/lighttime-api/v1/distance");
curl_setopt($ch, CURLOPT_HTTPHEADER, ["x-oanor-key: oanor_test_..."]);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$out = curl_exec($ch);
import requests
requests.get(
    "https://api.oanor.com/lighttime-api/v1/distance",
    headers={"x-oanor-key": "oanor_test_..."}
)

Example response

A real response from this endpoint, captured by the latest health check.

{
    "data": {
        "note": "Distance light covers d = c·t. One light-year is the distance light travels in a Julian year ≈ 9.461×10¹⁵ m.",
        "inputs": {
            "time": 1,
            "unit": "year"
        },
        "distance": {
            "au": 63241.0770842663,
            "meters": 9460730472580800,
            "parsecs": 0.30660139378555,
            "kilometers": 9460730472580.8,
            "light_years": 1
        },
        "time_seconds": 31557600
    },
    "meta": {
        "timestamp": "2026-06-05T19:50:33.116Z",
        "request_id": "15d76aae-1f39-4414-8910-936da34c7f9b"
    },
    "status": "ok",
    "message": "Distance from time",
    "success": true
}