Shutdown Timer by atom is a simple shutdown timer for the Pandora.

Release notes:

New Version now uses yad instead of zenity for some of the dialogs .
This allows left click action on the tray icon to view minutes to remain, change or stop the timer.

The icon is by courtesy of Aleksandra Wolska shared under Creative Commons Attribution-Share Alike 3.0 license.

http://repo.openpandora.org/?page=detail&app=shutdowntimer.atom.001