X-Git-Url: http://git.chise.org/gitweb/?a=blobdiff_plain;f=lisp%2Ftime-date.el;h=4c0fa3866b42b70a7b688f3a5d442810dc8ec84a;hb=refs%2Ftags%2Ft-gnus-6_15_0-02-quimby;hp=7d934e6cdcb1d673bd8e39b44a114dd100db0b3b;hpb=9217aff8d8aacbcd97015c1fc21a91adbdc0b869;p=elisp%2Fgnus.git-

diff --git a/lisp/time-date.el b/lisp/time-date.el
index 7d934e6..4c0fa38 100644
--- a/lisp/time-date.el
+++ b/lisp/time-date.el
@@ -131,6 +131,11 @@ The Gregorian date Sunday, December 31, 1bce is imaginary."
        (- (/ (1- year) 100))		;	- century years
        (/ (1- year) 400))))		;	+ Gregorian leap years
 
+(defun time-to-number-of-days (time)
+  "Return the number of days represented by TIME.
+The number of days will be returned as a floating point number."
+  (/ (+ (* 1.0 65536 (car time)) (cadr time)) (* 60 60 24)))
+
 ;;;###autoload
 (defun safe-date-to-time (date)
   "Parse DATE and return a time structure.