using System;
using System.Threading;
using System.Threading.Tasks;

namespace ConsoleApplication2
{
    class Program
    {
        static void Main(string[] args)
        {
            wyswietlCzas();
            Console.ReadLine();
        }
        static async void wyswietlCzas() //pobranie w osobnym wątku co 5 sek.
        {

                await Task.Factory.StartNew(() =>
                {
                while (true)
                {
                    int threadID = (int)AppDomain.GetCurrentThreadId();
                    Thread.Sleep(5000);
                    Console.WriteLine(DateTime.Now + Convert.ToString(threadID));
                    }
                });

        }
    }
}