Challenge complete

gistfile1.txt

        NSDateComponents *comps = [[NSDateComponents alloc] init];
        [comps setDay:20];
        [comps setMonth:01];
        [comps setYear:1985];
        //[comps setTimeZone:<#(NSTimeZone *)#>];
        NSDate *now = [NSDate date];
        NSDate *birthday = [NSDate comps];
        
        double difference = [birthday timeIntervalSinceDate:now];