Choose specific calendar for a site page
You can add a unique calendar to each site page, where Virto Calendar is added as app part.
Go to “Site Settings” and edit app part.
Below the default calendar name are displayed IDs of all available calendars on this SharePoint farm.
Copy ID of required calendar, which you will display as default calendar on current site page.
Paste this ID to app part properties field.
Now this calendar will be shown as specific calendar for current page.