Function: calendar-astro-date-string

calendar-astro-date-string is an autoloaded and byte-compiled function defined in cal-julian.el.gz.

Signature

(calendar-astro-date-string &optional DATE)

Documentation

String of astronomical (Julian) day number after noon UTC of Gregorian DATE.

Defaults to today's date if DATE is not given.

Source Code

;; Defined in /usr/src/emacs/lisp/calendar/cal-julian.el.gz
;;;###cal-autoload
(defun calendar-astro-date-string (&optional date)
  "String of astronomical (Julian) day number after noon UTC of Gregorian DATE.
Defaults to today's date if DATE is not given."
  (number-to-string
   (ceiling
    (calendar-astro-from-absolute
     (calendar-absolute-from-gregorian (or date (calendar-current-date)))))))