using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine(IsHourInRange(DateTime.Now));

        Console.WriteLine(IsHourInRange(DateTime.Parse("6:00")));

        Console.WriteLine(IsHourInRange(DateTime.Parse("12:00")));

        Console.WriteLine(IsHourInRange(DateTime.Parse("15:00")));

    }

    public static bool IsHourInRange(DateTime datetime) 

    {

        var currentHour = datetime.Hour;

        return currentHour >= 7 && currentHour <= 24;

    }

}