SharePoint Calendar Web Part

Month View Settings

Month view settings are similar to multiday view settings.

In addition, you can edit the text displayed if there are more items in the cell or amount of weeks in month (6 is recommended). For example, to display the text as shown below, you need to enter the following combination:

In this case special token {0} is used. If it is not used, the amount of items is inserted to the end of a string.