using System;

public class Program

{

    public static void Main()

    {

        var zone = TimeZoneInfo.FindSystemTimeZoneById("Pacific Standard Time");

        var utcNow = DateTime.UtcNow;

        var pacificNow = TimeZoneInfo.ConvertTimeFromUtc(utcNow, zone);

        Console.WriteLine(zone.IsDaylightSavingTime(pacificNow)); // Prints True

        Console.WriteLine(pacificNow.IsDaylightSavingTime()); // Prints False

    }

}