{
    "request": {
        "date": "2026-10-29",
        "latitude": 51.5074,
        "longitude": -0.1278
    },
    "sunset": {
        "date": "2026-10-29",
        "time_utc": "16:35",
        "iso8601": "2026-10-29T16:35:00+00:00"
    },
    "sunrise": {
        "date": "2026-10-30",
        "time_utc": "06:54",
        "iso8601": "2026-10-30T06:54:00+00:00"
    },
    "astronomical_darkness": {
        "start": {
            "date": "2026-10-29",
            "time_utc": "18:33",
            "iso8601": "2026-10-29T18:33:00+00:00"
        },
        "end": {
            "date": "2026-10-30",
            "time_utc": "04:56",
            "iso8601": "2026-10-30T04:56:00+00:00"
        },
        "halfway": {
            "time_utc": "23:44",
            "datetime_utc": "2026-10-29 23:44:30",
            "iso8601": "2026-10-29T23:44:30+00:00"
        },
        "duration": {
            "seconds": 37380,
            "hours": 10.38,
            "formatted": "10h 23m"
        }
    },
    "night_duration": {
        "seconds": 51540,
        "hours": 14.32,
        "formatted": "14h 19m"
    }
}