You can easily customize the period of time displayed by a calendar object used in a Posterino document.
To change the year and month of a calendar object:
Open the Adjust tab (Command-Shift-I) and select the calendar object in question.
Locate the Calendar panel under the Adjust tab and change the values ofand to your needs:
Press theor key after changing the year to update the calendar object to the new value.
By changing the value of> on the panel you can control how many months are displayed by the calendar object.