Computing Time Zone Different, C#

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//Rextester.Program.Main is the entry point for your code. Don't change it.
//Compiler version 4.0.30319.17929 for Microsoft (R) .NET Framework 4.5

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text.RegularExpressions;

namespace Rextester
{
    public class Program
    {
        public static void Main(string[] args)
        {
            var pst = TimeZoneInfo.FindSystemTimeZoneById("Pacific Standard Time");
            var cst = TimeZoneInfo.FindSystemTimeZoneById("Central Standard Time");
            var gmt = TimeZoneInfo.FindSystemTimeZoneById("GMT Standard Time");
            var cet = TimeZoneInfo.FindSystemTimeZoneById("Central Europe Standard Time");
            var est = TimeZoneInfo.FindSystemTimeZoneById("Eastern Standard Time");

var now = DateTimeOffset.UtcNow;
            TimeSpan pstOffset = pst.GetUtcOffset(now);
            TimeSpan cstOffset = cst.GetUtcOffset(now);
            TimeSpan gmtOffset = gmt.GetUtcOffset(now);
            TimeSpan estOffset = est.GetUtcOffset(now);

/* Crockett time difference reference to the Eastern time zone */            
            TimeSpan difference = pstOffset - estOffset;
            Console.WriteLine("Pacific Standard Time Difference = " + difference.Hours);

/* Chalmette & Nashville time difference reference to the Eastern time zone */
            TimeSpan difference2 = cstOffset - estOffset;
            Console.WriteLine("Central Standard Time Difference = " + difference2.Hours);

/* London, Plaistow & Lisbon time difference reference to the Eastern time zone */
            TimeSpan difference3 = gmtOffset - estOffset;
            Console.WriteLine("Greenwich Mean Time Difference = " + difference3.Hours);

/* Weissenfels time difference reference to the Eastern time zone */
            TimeSpan cetOffset = cet.GetUtcOffset(now);
            TimeSpan difference4 = cetOffset - estOffset;
            Console.WriteLine("Central Eastern Time Difference = " + difference4.Hours);
            
            // convert to a number ToInt16(String)
        }
    }
}

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Compilation time: 0,14 sec, absolute running time: 0,11 sec, cpu time: 0,09 sec, average memory usage: 14 Mb, average nr of threads: 3