Hi,
When in viewDidLoad it's
self.calendarView.firstDayOfWeek = .Sunday
calendar looks good
![simulator screen shot 27 jun 2016 17 11 12](https://cloud.githubusercontent.com/assets/10072495/1640957…
In your example, I change line 40 in ViewController.swift to:
```
calendarView.numberOfRowsPerMonth = 1
```
Most of the days are properly displayed but sometimes there are gaps in days:
![screensh…