Function: icalendar-date/time-weekday
icalendar-date/time-weekday is a byte-compiled function defined in
icalendar-utils.el.gz.
Signature
(icalendar-date/time-weekday DT)
Documentation
Return DT's day of the week.
DT may be either an icalendar-date or an icalendar-date-time.
Other relevant functions are documented in the icalendar group.
Shortdoc
;; icalendar
(icalendar-date/time-weekday '(12 11 2024))
=> 3
(icalendar-date/time-weekday '(0 0 10 11 12 2024 3 nil 3600))
=> 3
Source Code
;; Defined in /usr/src/emacs/lisp/calendar/icalendar-utils.el.gz
(defun ical:date/time-weekday (dt)
"Return DT's day of the week.
DT may be either an `icalendar-date' or an `icalendar-date-time'."
(cl-typecase dt
(ical:date (calendar-day-of-week dt))
(ical:date-time
(or (decoded-time-weekday dt)
;; compensate for possibly-nil weekday slot if the date-time
;; has been constructed by `make-decoded-time'; cf. comment
;; in `icalendar--decoded-date-time-p':
(calendar-day-of-week (ical:date-time-to-date dt))))))