You can create a PDF of your calendar by following these steps:
1. Click on the 
tab on the left sidebar.
2. Right click anywhere on the calendar and a menu should pop up. Select the Print… option.
3. A pop-up menu will appear, set the Destination to Save as PDF.
4. Select the 
button at the bottom of the page.
5. Save the file to a location on your device.
TIP:
You can change the format of the calendar by clicking on the 
buttons to set it to a daily, weekly, or monthly calendar.