using System;

using Newtonsoft.Json;

using Newtonsoft.Json.Linq;

using System.Collections.Generic;

public class Program

{

    public static void Main()

    {

        var jsonString = "{'MyDateField': '2022-09-21T20:23:33.000Z'}";

        Console.WriteLine(JObject.Parse(jsonString).Value<string>("MyDateField"));

        Console.WriteLine(JsonConvert.DeserializeObject<JObject>(jsonString, new JsonSerializerSettings()

            {

                DateParseHandling = DateParseHandling.None,

            }).Value<string>("MyDateField"));

        Console.WriteLine(JsonConvert.DeserializeObject<JObject>(jsonString, new JsonSerializerSettings()

            {

                DateTimeZoneHandling = DateTimeZoneHandling.

            }).Value<string>("MyDateField"));

    }

}