¿Tienes algún arreglo el domingo 31?

"Results": [
    {
        "Text": "domingo 31",
        "Start": 25,
        "End": 35,
        "TypeName": "datetimeV2.date",
        "Resolution": {
            "values": [
                {
                    "timex": "XXXX-WXX-7",
                    "type": "date",
                    "value": "2017-12-31"
                },
                {
                    "timex": "XXXX-WXX-7",
                    "type": "date",
                    "value": "2019-03-31"
                }
            ]
        }
    }
]