{
    "request": {
        "date": "2026-08-11",
        "latitude": 51.5074,
        "longitude": -0.1278
    },
    "sunset": {
        "date": "2026-08-11",
        "time_utc": "19:27",
        "iso8601": "2026-08-11T19:27:00+00:00"
    },
    "sunrise": {
        "date": "2026-08-12",
        "time_utc": "04:45",
        "iso8601": "2026-08-12T04:45:00+00:00"
    },
    "astronomical_darkness": {
        "start": {
            "date": "2026-08-11",
            "time_utc": "22:04",
            "iso8601": "2026-08-11T22:04:00+00:00"
        },
        "end": {
            "date": "2026-08-12",
            "time_utc": "02:10",
            "iso8601": "2026-08-12T02:10:00+00:00"
        },
        "halfway": {
            "time_utc": "00:07",
            "datetime_utc": "2026-08-12 00:07:00",
            "iso8601": "2026-08-12T00:07:00+00:00"
        },
        "duration": {
            "seconds": 14760,
            "hours": 4.1,
            "formatted": "4h 6m"
        }
    },
    "night_duration": {
        "seconds": 33480,
        "hours": 9.3,
        "formatted": "9h 18m"
    }
}