Academic calendar files are here.
Download a file to your computer. This will not happen automatically
if you click on one of the links for the file. Right-click on the file
you would like to download. A small menu will pop up; choose an option
reading Save this Link As, Save Target As, or something
similar.
Save the file to your Desktop.
Launch Oracle Calendar 9.x. Click on the File menu
and select Import Data...
A window will appear asking what kind of file you would like to
import. Select vCalendar.

-
Choose the
All option in the Period section of the screen.
Click on the Browse button to locate your
file.
Then click OK to load the information into your
calendar. (If you have forgotten the name of the
file, the filenames are listed above next to each calendar name.)

The academic calendar file will now be imported to your
calendar.