Hello Linux Geeksters.
In this article I will show you how to install the Google Calender Indicator on Ubuntu 13.04 Raring Ringtail, Ubuntu 12.10 Quantal Quetzal, Ubuntu 12.04 Precise Pangolin, Linux Mint 15 Olivia, Linux Mint 14 Nadia and Linux Mint 13 Maya.
The Google Calendar Indicator is available in the Atareao PPA.
This is how you install Google Calendar Indicator on Linux Mint and Ubuntu:
Add the repo:
$ sudo add-apt-repository ppa:atareao/atareao
Update the repo index:
$ sudo apt-get update
Install the app:
$ sudo apt-get install calendar-indicator