Function: calendar-persian-leap-year-p

calendar-persian-leap-year-p is a byte-compiled function defined in cal-persia.el.gz.

Signature

(calendar-persian-leap-year-p YEAR)

Documentation

True if YEAR is a leap year on the Persian calendar.

Source Code

;; Defined in /usr/src/emacs/lisp/calendar/cal-persia.el.gz
(defun calendar-persian-leap-year-p (year)
  "True if YEAR is a leap year on the Persian calendar."
  (< (mod (* (mod (mod (if (<= 0 year)
                           (+ year 2346) ; no year zero
                         (+ year 2347))
                       2820)
                  768)
             683)
          2820)
     683))