using System;

using System.Threading.Tasks;

using System.Linq;

public class Program

{

    public static void Main()

    {

        Task[] tasks = new Task[10];

​

        for (int i = 0; i < 10; i++)

        {

            tasks[i] = Task.Run(() => 

            {

                Console.WriteLine("Дата старта: "+ DateTime.Now.ToString("HH:mm:ss.fff"));

            });

        }

​

        Task.WaitAll(tasks);

    }

}