Comment 2 for bug 614650

I have the same issue on Maverick: I recently upgraded from lucid, and now the clock popup appears way too high (new screenshot attached). I've had to remove timezones from the Locations panel so that the top of the popup doesn't flow off the screen.

In case it's useful, I have a dual-monitor setup: laptop panel on the left, external monitor (higer res) on the right. Consequently, the right-hand side of the screen has more pixels in the Y dimension, and the desktop space is non-rectangular.