using System;

using System.Globalization;

public class Program

{

    public static void Main()

    {

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

    }

    public static bool validateDateAndTime(DateTime checkDateFormat)

    {

          checkDateFormat = new DateTime(2019, 02, 02, 23, 33, 21); 

          DateTime checkOutDate; 

          if(DateTime.TryParseExact(checkDateFormat.ToString(), "yyyy-MM-dd hh:mm:ss", CultureInfo.InvariantCulture, System.Globalization.DateTimeStyles.AllowWhiteSpaces, out checkOutDate))

          {

              return true;

          }

          else

          {

              Console.WriteLine(checkDateFormat.ToString() + " " + checkOutDate);

              return false;

          }

    }

}