using System;

using System.Threading;

​

public class Program

{

    private static string date = "06/04/2021";

    private static string time = "16:49";

    private static void AlarmLoop()

    {

        while(true)

        {

            if (date != DateTime.Now.ToString("MM/dd/yyyy") && time != DateTime.Now.ToString("H:m"))

            {

                Console.Write("Alert");

            }

        }

    }

    public static void Main()

    {

        Thread t = new Thread(AlarmLoop);

        t.Start();

    }

}