If you can format date into specific format using NSDateFormatter and then convert NSDate into NSString. You can extract components from date string using componentsSeparatedByString.
NSDate *myDate = datePicker.date;//if you are getting date from date picker
NSDateFormatter *dateFormat = [[NSDateFormatter alloc] init];
[dateFormat setDateFormat:@"cccc, MMM d, hh:mm aa"];//you can use any date format also
NSString *myDateString = [dateFormat stringFromDate:myDate];
You can get array of string by using this method and you can use string tokenizer according to your dateformat.for example "," string tokenizer.
[myDateString componentsSeparatedByString:@","];