Function: calendar-coptic-last-day-of-month
calendar-coptic-last-day-of-month is a byte-compiled function defined
in cal-coptic.el.gz.
Signature
(calendar-coptic-last-day-of-month MONTH YEAR)
Documentation
Return last day of MONTH, YEAR on the Coptic calendar.
The 13th month is not really a month, but the 5 (6 in leap years) day period of Nisi (Kebus) at the end of the year.
Source Code
;; Defined in /usr/src/emacs/lisp/calendar/cal-coptic.el.gz
(defun calendar-coptic-last-day-of-month (month year)
"Return last day of MONTH, YEAR on the Coptic calendar.
The 13th month is not really a month, but the 5 (6 in leap years) day period of
Nisi (Kebus) at the end of the year."
(if (< month 13)
30
(if (calendar-coptic-leap-year-p year)
6
5)))