Variable: org-agenda-search-headline-for-time
org-agenda-search-headline-for-time is a customizable variable defined
in org-agenda.el.gz.
Value
t
Documentation
Non-nil means search headline for a time-of-day.
If the headline contains a time-of-day in one format or another, it will be used to sort the entry into the time sequence of items for a day. Timestamps in the headline will be ignored.
Source Code
;; Defined in /usr/src/emacs/lisp/org/org-agenda.el.gz
(defcustom org-agenda-search-headline-for-time t
"Non-nil means search headline for a time-of-day.
If the headline contains a time-of-day in one format or another, it will
be used to sort the entry into the time sequence of items for a day.
Timestamps in the headline will be ignored."
:group 'org-agenda-time-grid
:type 'boolean)