public bool CheckDateTime(DateTime?dateTime = null)
{
var time = dateTime ?? DateTime.Now;
return(Minutes.Contains(time.Minute) &&
Hours.Contains(time.Hour) &&
Months.Contains(time.Month - 1) &&
(DaysOfMonth.Contains(time.Day - 1) || DaysOfWeek.Contains((int)time.DayOfWeek - 1)));
}