Sort NSArray of custom objects by their NSDate properties

Question

I am attempting to sort an NSArray that is populated with custom objects. Each object has a property startDateTime that is of type NSDate.

The followin

Answer 1

Did you try by specifying the NSDate comparator?

Eg:

NSSortDescriptor *dateDescriptor = [NSSortDescriptor
   sortDescriptorWithKey:@"startDateTime"
   ascending:YES
   selector:@selector(compare:)];

This should enforce the usage of the correct comparator of the NSDate class.