The problem is with either Norton Utilities (this seems to be a common theme) or Mac OS X itself corrupting some files, most notably the files in the unix folder "zoneinfo". This folder holds the timezone definitions and when the files inside become corrupted, you cannot select your time zone. The solution is to grab a copy of the zoneinfo folder from another computer and drop that over top of your exsisting folder.
Read the rest of the article for the how-to...
[robg adds: I've never had a problem with the time zone settings, but then again, I've never installed Norton either, so perhaps there is a correlation. Nonetheless, if you are having this problem, perhaps this fix will help...]
First off, quit everything but the Terminal. Download this zoneinfo archive [228K] to your Desktop, unstuff it, and do the following in the Terminal:
% cd /usr/share % sudo rm -R zoneinfo % sudo cp -R ~/Desktop/zoneinfo zoneinfoYou'll find immediantly that you can now select your proper time zone. Another, graphical, way to do it (if you're afraid of rm) is this way:
Close any open windows. In the Finder, go to the menu "Go" and select "Computer". Then, go under the "View" menu and select "Columns". Click on your harddrive you use to boot the OS. Now, go under the "Go" menu and select "Go To Folder". Underneath the computer name in the only window open it should say "Go to the folder:" followed by a field. If anything is in that field, remove it and put "usr" and click "Go".
Now select "share". Go under File -> Get Info and click the triangle beside "Ownership & Permissions:". Click the lock if it is "locked", if it is unlocked skip this step. Type in your password and click ok. Then select "system" beside the field "Owner" and choose the one with "username (Me)". Make sure your access is Read & Write.
Now, scroll to the bottom of column which has "aclocal" at the top (in the share folder). zoneinfo should be 2nd from the bottom. Drag it to the trash. Now drag the one you downloaded into the "share" folder. Get Info on the "share" folder and change "username (Me)" back to system. Click the lock. Run diskutility and repair permissions.
And all should be good to go. You can also copy this file from another Mac by typing the following into Terminal:
% cp -R /usr/share/zoneinfo ~/desktopAnd a zoneinfo file should appear on your dektop.
Enjoy!

