I have NSDate object and I need to find from a NSArray (that has nsdate objects) all objects that have the same month and year.
A:
This earlier answer shows you how to get the month and day information. You can use it to do what you are asking:
http://stackoverflow.com/questions/3694867/nsdate-get-year-month-day
whitehawk
2010-09-22 00:11:14