Fix timezone east of GMT in Calv

* lisp/calc/calc-forms.el (math-calendar-tzinfo): Make timezone
calculation work east of Greenwich.  Fix proposed by David O'Shea
(bug#34075).

diff --git a/lisp/calc/calc-forms.el b/lisp/calc/calc-forms.el
index fce82d2eaac77aa84cfa004223d477116a382c9b..8faeb0a9decacc047b2347550407bc8ec0321b2e 100644 (file)
--- a/lisp/calc/calc-forms.el
+++ b/lisp/calc/calc-forms.el
@@ -1491,7 +1491,7 @@ second, the number of seconds offset for daylight savings."
                     (calendar-current-time-zone)
                     calendar-current-time-zone-cache)))
       (setq math-calendar-tzinfo
-            (list (* 60 (abs (nth 0 tzinfo)))
+            (list (* 60 (- (nth 0 tzinfo)))
                   (* 60 (nth 1 tzinfo)))))))
 
 (defun calcFunc-tzone (&optional zone date)