using System;

using Newtonsoft.Json;

using Newtonsoft.Json.Converters;

namespace JsonDateTimeConverter

{

    public class Program

    {

        public static void Main(string[] args)

        {

            const string json = "{\"Date\" : \"\\/Date(1447541631063-0000)\\/\"}";

            var result = JsonConvert.DeserializeObject<ConvertedDate>(json,

            new IsoDateTimeConverter { DateTimeFormat = "dd/mm/yyyy:hh:mm:ss" });

            Console.WriteLine(result.Date);

            //Console.ReadKey();

        }

    }

    class ConvertedDate

    {

        public DateTime Date { get; set; }

    }

}