Use [NSCalendar currentCalendar] to get NSDateComponents from the current date, especially NSWeekdayCalendarUnit and NSWeekOfYearCalendarUnit. the components will have a member weekday, that ranges from 1 — sunday to 7 — saturday. if it is 1 or 2, create a new componets with weekday 2, if it is 7, add one to weekOfYear and set weekday to 2. for all other cases set weekday to 7.
Now use [NSCalendar currentCalendar] again to create a day from the components.
solved Calculate next date in week