using System;

public class Program

{

    public static void Main()

    {

        DateTime oneDate = DateTime.Now;

        oneDate = oneDate.AddMinutes(-60);

        DateTime secondDate = DateTime.Now;

        secondDate = secondDate.AddMinutes(-20);

        DateTime dt = DateTime.Now;

​

        string oneTime = oneDate.ToString("HH:mm");

        Console.WriteLine(oneTime);

        string secondTime = secondDate.ToString("HH:mm");

        Console.WriteLine(secondTime);

        string nowTIme = dt.ToString("HH:mm");

        Console.WriteLine(nowTIme);

​

      if(oneDate.Date == secondDate.Date)

      {

          Console.WriteLine("oneDateTime");

          Console.WriteLine(oneDate);

          Console.WriteLine("secondDateTime");

          Console.WriteLine(secondDate);

          Console.WriteLine("nowDateTime");

          Console.WriteLine(dt);

            if(oneDate <= dt && secondDate >= dt)

            {

                Console.WriteLine("true time");

            }

          else

          {

                Console.WriteLine("false time");

          }

        Console.WriteLine("true date");

      }

      else

      {

        Console.WriteLine("false");

      }

    }

}