Hello @kmilo_de_los_santos
Try this
DateTime.ParseExact("ENE/15/2022","MMM/dd/yyyy",System.Globalization.CultureInfo.GetCultureInfo("es-ES")).ToString("MMM-dd-yyyy")
DateTime.ParseExact("ENE/15/2022","MMM/dd/yyyy",System.Globalization.CultureInfo.GetCultureInfo("es-ES")).ToString("MMMM-dd-yyyy")
