{
    "request": {
        "date": "2026-06-17",
        "latitude": 51.5074,
        "longitude": -0.1278
    },
    "sunset": {
        "date": "2026-06-17",
        "time_utc": "20:15",
        "iso8601": "2026-06-17T20:15:00+00:00"
    },
    "sunrise": {
        "date": "2026-06-18",
        "time_utc": "03:47",
        "iso8601": "2026-06-18T03:47:00+00:00"
    },
    "astronomical_darkness": {
        "start": {
            "date": "2026-06-17",
            "time_utc": null,
            "iso8601": null
        },
        "end": {
            "date": "2026-06-18",
            "time_utc": null,
            "iso8601": null
        },
        "halfway": {
            "time_utc": null,
            "datetime_utc": null,
            "iso8601": null
        },
        "duration": {
            "seconds": null,
            "hours": null,
            "formatted": null
        }
    },
    "night_duration": {
        "seconds": 27120,
        "hours": 7.53,
        "formatted": "7h 32m"
    }
}