- (NSInteger)numberOfSectionsInCollectionView:(UICollectionView *)collectionView
{
    return 1;
}

- (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section
{
    if (!self.displayMonthDate) {
        return 0;
}
NSInteger numberOfDaysPlusOffset = _numberOfDaysInMonth + _firstWeekdayOfMonthIndex;
NSInteger remainingDaysToFillCalendar = 7 - (numberOfDaysPlusOffset % 7);
return numberOfDaysPlusOffset + remainingDaysToFillCalendar;
}

- (UICollectionReusableView *)collectionView:(UICollectionView *)collectionView
       viewForSupplementaryElementOfKind:(NSString *)kind
                             atIndexPath:(NSIndexPath *)indexPath {
//Used for each cell to draw
}

- (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView  cellForItemAtIndexPath:(NSIndexPath *)indexPath {
//Setting item size here
}