Variable: world-clock-mode-hook
world-clock-mode-hook is a variable defined in time.el.gz.
Value
nil
Documentation
Hook run after entering world-clock-mode.
No problems result if this variable is not bound.
add-hook automatically binds it. (This is true for all hook variables.)
Source Code
;; Defined in /usr/src/emacs/lisp/time.el.gz