From/To Unix time

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

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {

            var stamp = TimeSpan.FromTicks(new DateTime(1970, 1, 1).Ticks).TotalMilliseconds;
            var now = TimeSpan.FromTicks(DateTime.Now.Ticks).TotalMilliseconds - stamp;

            var Time = new DateTime(1970, 1, 1).AddMilliseconds(now);

            Console.Write(Time);
            Console.Read();
        }
    }
}