using System;

public class Program

{

    public static void Main()

    {

        var tzis = TimeZoneInfo.GetSystemTimeZones();

        Console.WriteLine(TimeZoneInfo.FindSystemTimeZoneById("US Mountain Standard Time").DisplayName);

        Console.WriteLine(TimeZoneInfo.FindSystemTimeZoneById("Mountain Standard Time").DisplayName);

        Console.WriteLine(TimeZoneInfo.FindSystemTimeZoneById("Mountain Standard Time (Mexico)").DisplayName);

    }

}