using System;
public class Program
{
public static void Main()
var gmtTime = new DateTime(2013, 08, 15, 08, 53, 22);
gmtTime = TimeZoneInfo.ConvertTime( gmtTime, TimeZoneInfo.FindSystemTimeZoneById("GMT Standard Time"));
var b = gmtTime.ToUniversalTime();
Console.WriteLine(b);
}