Days remaining in current month

daysRemainInCurrentMonth

static NSInteger daysRemainInCurrentMonth () {
    return ([[NSCalendar currentCalendar] rangeOfUnit:NSDayCalendarUnit inUnit:NSMonthCalendarUnit forDate:[NSDate date]].length - [[({NSDateFormatter *formatter = [[NSDateFormatter alloc] init]; [formatter setDateFormat:@"dd"]; formatter;}) stringFromDate:[NSDate date]] integerValue]);
}