Variable: appt-message-warning-time

appt-message-warning-time is a customizable variable defined in appt.el.gz.

Value

12

Documentation

Default time in minutes before an appointment that the warning begins.

You probably want to make appt-display-interval a factor of this.

Probably introduced at or before Emacs version 23.3.

Source Code

;; Defined in /usr/src/emacs/lisp/calendar/appt.el.gz
(defcustom appt-message-warning-time 12
  "Default time in minutes before an appointment that the warning begins.
You probably want to make `appt-display-interval' a factor of this."
  :type 'integer
  :group 'appt)