using System;

using System.Globalization;

public class Program

{

    public static void Main()

    {

        string dateString = "2022-09-14T00:00:00-05:00";

        DateTime dateValue;

        DateTime.TryParseExact(dateString, "yyyy-MM-ddTHH:mm:ssK", new CultureInfo("en-US"), DateTimeStyles.AdjustToUniversal, out dateValue);

        Console.WriteLine("Fecha prov = {0}", dateValue); 

        // Configuracion custom param

        dateValue = dateValue.AddHours(-5);

        Console.WriteLine("Fecha agen = {0}", dateValue);  

    }

}