using System;

using System.Text;

public class Program

{

    public static void Main()

    {

        var dt = new DateTime(2022, 9, 1, 4, 20, 0, 0, DateTimeKind.Utc);

        var tz = TimeZoneInfo.FindSystemTimeZoneById("America/New_York");

        Console.WriteLine(tz.Id);

        Console.WriteLine(dt.ToString("yyyy-MM-ddTHH:mm:ss.fffzzz"));

    }

}