Function: calendar-islamic-day-number

calendar-islamic-day-number is a byte-compiled function defined in cal-islam.el.gz.

Signature

(calendar-islamic-day-number DATE)

Documentation

Return the day number within the year of the Islamic date DATE.

Source Code

;; Defined in /usr/src/emacs/lisp/calendar/cal-islam.el.gz
(defun calendar-islamic-day-number (date)
  "Return the day number within the year of the Islamic date DATE."
  (let ((month (calendar-extract-month date)))
    (+ (* 30 (/ month 2))
       (* 29 (/ (1- month) 2))
       (calendar-extract-day date))))