{
  "source_url": "https://aa.usno.navy.mil/api/rstt/oneday?date=2026-11-17&coords=37.5665%2C126.9780&tz=9",
  "checked_on": "2026-11-08 KST",
  "purpose": "Independent UTC+9 cross-check, not replacement of KASI city coordinates",
  "response": {
    "apiversion": "4.0.1",
    "geometry": {
      "coordinates": [
        126.978,
        37.5665
      ],
      "type": "Point"
    },
    "properties": {
      "data": {
        "closestphase": {
          "day": 17,
          "month": 11,
          "phase": "First Quarter",
          "time": "20:48",
          "year": 2026
        },
        "curphase": "Waxing Crescent",
        "day": 17,
        "day_of_week": "Tuesday",
        "fracillum": "47%",
        "isdst": false,
        "label": null,
        "month": 11,
        "moondata": [
          {
            "phen": "Rise",
            "time": "13:09"
          },
          {
            "phen": "Upper Transit",
            "time": "18:32"
          }
        ],
        "sundata": [
          {
            "phen": "Begin Civil Twilight",
            "time": "06:45"
          },
          {
            "phen": "Rise",
            "time": "07:13"
          },
          {
            "phen": "Upper Transit",
            "time": "12:17"
          },
          {
            "phen": "Set",
            "time": "17:20"
          },
          {
            "phen": "End Civil Twilight",
            "time": "17:48"
          }
        ],
        "tz": 9.0,
        "year": 2026
      }
    },
    "type": "Feature"
  }
}