1 files changed, 4 insertions, 3 deletions

diff --git a/lisp/calendar/cal-dst.el b/lisp/calendar/cal-dst.el
index aed4c32e3db..2f7e4ac88fd 100644
--- a/lisp/calendar/cal-dst.el
+++ b/lisp/calendar/cal-dst.el
@@ -53,7 +53,8 @@ change."
   :group 'calendar)
 
 (defvar calendar-current-time-zone-cache nil
-  "Cache for result of calendar-current-time-zone.")
+  "Cache for result of `calendar-current-time-zone'.")
+(put 'calendar-current-time-zone-cache 'risky-local-variable t)
 
 (defvar calendar-system-time-basis
   (calendar-absolute-from-gregorian '(1 1 1970))
@@ -346,7 +347,7 @@ This function respects the value of `calendar-dst-check-each-year-flag'."
                     (nth 4 calendar-current-time-zone-cache))))
         (if expr (eval expr)))
       (and (not (zerop calendar-daylight-time-offset))
-           (calendar-nth-named-day 1 0 4 year))))
+           (calendar-nth-named-day 2 0 3 year))))
 
 (defun calendar-dst-ends (year)
   "Return the date of YEAR on which Daylight Saving Time ends.
@@ -356,7 +357,7 @@ This function respects the value of `calendar-dst-check-each-year-flag'."
                     (nth 5 calendar-current-time-zone-cache))))
         (if expr (eval expr)))
       (and (not (zerop calendar-daylight-time-offset))
-           (calendar-nth-named-day -1 0 10 year))))
+           (calendar-nth-named-day 1 0 11 year))))
 
 
 ;;;###autoload