To remove a clock from the World Clocks context application:
Expand the right navigation panel, if necessary, and click the
down-pointing arrow on the title bar of the World Clock context application. If
you are viewing a personalized page, click
Edit My Context Application
from the list. If you are editing a shared view, click
Edit Context Application.
Only site collection administrators can edit the shared view.
The context application settings available for
personalization are displayed. Under the Custom Settings section are multiple
clock locations and a label associated with each location.
Click the location to remove, and select
none.
Click
Apply at the bottom of
the list of settings to save your changes.
Click
OK at the bottom of the
list of settings to close the context application settings.