[WebMethod]
        public JsonResult Calendario()
        {
            var calendario = new cSiteGrade().RetornarListaSiteGrade();

            DateTime startOfWeek = DateTime.Today.AddDays(-Convert.ToInt32(DateTime.Now.DayOfWeek));

            List<DateTime> myDates = Enumerable.Range(0, 7).Select(d => startOfWeek.AddDays(d)).ToList();

            List<dynamic> listaHorarios = new List<dynamic>();

            calendario.ForEach(e =>
            {
                var diasLista = e.Dias.Split(',').ToList();
                var horaInicio = e.HoraInicio.Hour;
                var minInicio = e.HoraInicio.Minute;

                var horaFim = e.HoraFim.Hour;
                var minFim = e.HoraFim.Minute;

                foreach (var dia in diasLista)
                {

                    DateTime date = AssimilarDataAoDiaSemana(dia, myDates);

                    DateTime startDate = date.AddHours(horaInicio).AddMinutes(minInicio);
                    DateTime endDate = date.AddHours(horaFim).AddMinutes(minFim);

                    var horario = new
                    {
                        title = string.IsNullOrWhiteSpace(e.Titulo) ? e.SiteTipoCategoria.Titulo : e.Titulo,
                        start = startDate.ToString(),
                        end = endDate.ToString(),
                        allDay = false
                    };

                    listaHorarios.Add(horario);
                }
            });

            string json = JsonConvert.SerializeObject(new
            {
                events = listaHorarios
            });

            return Json(json, JsonRequestBehavior.AllowGet);
        }

public DateTime AssimilarDataAoDiaSemana(string dia, List<DateTime> dts)
        {
            DateTime date = new DateTime();

            if (dia.Contains("Dom"))
            {
                date = dts.Where(d => (int)d.DayOfWeek == 0).FirstOrDefault();
            }
            else if (dia.Contains("Seg"))
            {
                date = dts.Where(d => (int)d.DayOfWeek == 1).FirstOrDefault();
            }
            else if (dia.Contains("Ter"))
            {
                date = dts.Where(d => (int)d.DayOfWeek == 2).FirstOrDefault();
            }
            else if (dia.Contains("Qua"))
            {
                date = dts.Where(d => (int)d.DayOfWeek == 3).FirstOrDefault();
            }
            else if (dia.Contains("Qui"))
            {
                date = dts.Where(d => (int)d.DayOfWeek == 4).FirstOrDefault();
            }
            else if (dia.Contains("Sex"))
            {
                date = dts.Where(d => (int)d.DayOfWeek == 5).FirstOrDefault();
            }
            else if (dia.Contains("Sáb"))
            {
                date = dts.Where(d => (int)d.DayOfWeek == 6).FirstOrDefault();
            }

            return date;
        }