using System;

​

public class Program

{

    public static void Main()

    {

        string start = "2022-08-01 03:00:00";

        DateTime dStart = DateTime.ParseExact(start, "yyyy-MM-dd HH:mm:ss", System.Globalization.CultureInfo.InvariantCulture);

        Console.WriteLine(dStart);

        string formattedDate = dStart.ToString("yyyy-MM-dd HH:mm:ss");

        Console.WriteLine(formattedDate);

        Console.WriteLine("");

        string end = "2022-08-31 23:59:59";

        DateTime dtEnd = DateTime.ParseExact(end, "yyyy-MM-dd HH:mm:ss", System.Globalization.CultureInfo.InvariantCulture);        

        Console.WriteLine(dtEnd);

            string formattedEndDate = dStart.ToString("yyyy-MM-dd HH:mm:ss");

        Console.WriteLine(formattedEndDate);

        bool dateIsInRange = (DateTime.Now >= dStart) && (DateTime.Now <= dtEnd);

            Console.WriteLine("");

        Console.WriteLine(dateIsInRange);

    }

}