using System;

using System.Globalization;     

using System.Collections.Generic;

public class Program

{

    public static void Main()

    {

        var now = DateTime.UtcNow;

        var valid = new DateTime[]{now.AddDays(-10),now,now.AddDays(10)};

        var delete = new DateTime[]{now.AddDays(-10),now,now.AddDays(10)};

        var today = new DateTime[]{now.AddDays(-10),now,now.AddDays(10)};

        foreach(DateTime v in valid)

        foreach(DateTime d in delete)

        foreach(DateTime n in today)

        {

            Console.WriteLine(string.Format("{0:dd.MM}  {1:dd.MM}  {2:dd.MM}  : {3}", d,v,n, (d>v&&v<n ? "1" : "0")));

        }

    }

}