bilal@bilal-laptop:/var/cache/pbuilder/result$ sudo dpkg -i gworldclock_1.4.4-9ubuntu1_i386.deb 
[sudo] password for bilal: 
Selecting previously deselected package gworldclock.
(Reading database ... 188655 files and directories currently installed.)
Unpacking gworldclock (from gworldclock_1.4.4-9ubuntu1_i386.deb) ...
Setting up gworldclock (1.4.4-9ubuntu1) ...
Processing triggers for man-db ...
Processing triggers for python-gmenu ...
Rebuilding /usr/share/applications/desktop.en_US.utf8.cache...
Processing triggers for desktop-file-utils ...
Processing triggers for menu ...
Processing triggers for python-support ...
bilal@bilal-laptop:/var/cache/pbuilder/result$