In 'Month view' of C1Calendar, the title is set by using MonthViewTitleFormat property, similar to 'Day view', where the calendar title is set by using TitleFormat property.

The default value of MonthViewTitleFormat property is yyyy. The following image shows the default calendar title in Month view:

You can also customize the title to show different formats in Month view, for example, the following image shows the calendar title where MonthViewTitleFormat is set to 'gg yy':