Save jQuery range slider data in ddmmyyy hh:mm:ss format using Web API in ASP.Net

How to save the date into database in datetime datatype in ddmmyyy hh:mm:ss from range slider

    //range slider in months
    function formatDate(date) {
        debugger;
        var monthNames = [
            "January", "February", "March",
            "April", "May", "June", "July",
            "August", "September", "October",
            "November", "December"
        ];
        var monthIndex = date.getMonth();
        var year = date.getFullYear();
        return monthNames[monthIndex] + ' ' + year;
    }
    $(function () {
        $("#slider-range").slider({
            range: true,
            min: new Date('01/01/2019').getTime(),
            max: new Date('01/12/2019').getTime(),
            step: 86400000,
            values: [new Date('01/03/2019').getTime(), new Date('01/06/2019').getTime()],
            slide: function (event, ui) {
                $("#amount").val(formatDate(new Date(ui.values[0])) + '-' + formatDate(new Date(ui.values[1])));
            },
            stop: function (event, ui) {
                debugger;
                $("#amount").val(formatDate(new Date(ui.values[0])) + '-' + formatDate(new Date(ui.values[1])));
                $.ajax({
                    data: { MinValue: formatDate(new Date(ui.values[0])), MaxValue: formatDate(new Date(ui.values[1])) },
                    type: "post",
                    url: apiUrl + "/api/Warehouse/addMinMaxValues",
                    success: function (data) {
                        //alert("Data Save: " + data);
                    }
                });
            }         
        });
        $("#amount").val(formatDate((new Date($("#slider-range").slider("values", 0)))) +
          " - " + formatDate((new Date($("#slider-range").slider("values", 1)))));
    });

<div>
    <p>
        <label for="amount">Month range:</label>
        <input type="text" id="amount" readonly style="border:0; color:#f6931f; font-weight:bold; width:30%">
    </p>
    <div id="slider-range"></div>                
</div>              

        [HttpPost]
        [ActionName("addMinMaxValues")]
        public int insertMinMaxDetails(rangeSlider rs)
        {
            SqlConnection myConnection = new SqlConnection();
            myConnection.ConnectionString = ConfigurationManager.ConnectionStrings["ERPConnectionString"].ConnectionString;
            SqlCommand sqlCmd = new SqlCommand();
            DateTime now = DateTime.Now;
            sqlCmd.CommandType = CommandType.StoredProcedure;
            sqlCmd.CommandText = "INSERT_RANGE_SLIDER";
            sqlCmd.Connection = myConnection;
            sqlCmd.Parameters.AddWithValue("@MinValue", rs.MinValue);
            sqlCmd.Parameters.AddWithValue("@MaxValue", rs.MaxValue);         
            myConnection.Open();
            int rowInserted = sqlCmd.ExecuteNonQuery();
            myConnection.Close();
            return 1;
        }