using System;

public class Program

{

    public static void Main()

    {

        DateTime baseTime = Convert.ToDateTime("12/1/15 10:00 AM");

        TimeSpan offset = TimeZoneInfo.FindSystemTimeZoneById("Central Standard Time").GetUtcOffset(baseTime);

        Console.WriteLine(offset); 

        var sourceTime = new DateTimeOffset(baseTime, offset);

        Console.WriteLine(sourceTime); 

        Console.WriteLine(sourceTime.LocalDateTime); 

        var targetTime = sourceTime.DateTime;

        Console.WriteLine("{0} converts to {1} {2}", 

                          sourceTime, 

                          targetTime, 

                          targetTime.Kind.ToString());

    }

}