using System;

using Newtonsoft.Json;

using Newtonsoft.Json.Linq;

​

public class Program

{

    public static void Main()

    {

        var utc = new DateTime(2000, 1, 1, 0, 0, 0).ToUniversalTime();

        var local = new DateTimeOffset(2000, 1, 1, 0, 0, 0, new TimeSpan(-12, 0, 0));

        var localToUtc = local.ToUniversalTime();

        var payloadAsString = $"{{ Utc: \"{utc:o}\", Local:\"{local:o}\", LocalToUtc:\"{localToUtc:o}\" }}";

        Console.WriteLine(payloadAsString);

        var payload = JsonConvert.DeserializeObject<Dates>(payloadAsString);

        Console.WriteLine("");

        Console.WriteLine(payload.Utc == payload.Local);

        Console.WriteLine(payload.Utc == payload.LocalToUtc);

        Console.WriteLine(payload.Local == payload.LocalToUtc);

    }

    public class Dates

    {

        public DateTime Utc { get; set; }

        public DateTime Local { get; set; }

        public DateTime LocalToUtc { get; set; }

    }

}