DesktopHelper.UI.CalendarForm.IsNextDay C# (CSharp) Метод

        private void IsNextDay()
        {
            while (true)
            {
                DateTime dtNow = DateTime.Today;//DateTime.Parse(DateTime.Now.ToShortDateString());
                DateTime dtOld = new DateTime(int_Year, int_Month, int_Day);// DateTime.Parse(g_year + "-" + g_month + "-" + g_day);
                TimeSpan tsIsNextDay = dtNow - dtOld;

                try
                {
                    if (tsIsNextDay.Days != 0)
                    {
                        CurrentDate();
                        ResetPanel();
                        GetWeekInfo(ref int_WeekOfFirstDay, ref int_DayOfMonth, int_Year, int_Month);
                        FillPanelMonth(int_WeekOfFirstDay, int_DayOfMonth, int_Year, int_Month);
                    }
                }
                catch (Exception ex)
                {
                    log.WriteLog(ex.ToString());
                }
                Thread.Sleep(1000 * 3600);
            }
        }