;;;###autoload
(defun sunrise-sunset (&optional arg)
"Local time of sunrise and sunset for today. Accurate to +/- 2 minutes.
-If called with an optional prefix argument, prompts for date.
+If called with an optional prefix argument, prompt for date.
-If called with an optional double prefix argument, prompts for longitude,
-latitude, time zone, and date.
+If called with an optional double prefix argument, prompt for longitude,
+latitude, time zone, and date, and always use standard time.
This function is suitable for execution in a .emacs file."
(interactive "p")
((< calendar-time-zone 0)
(format "UTC%dmin" calendar-time-zone))
(t (format "UTC+%dmin" calendar-time-zone)))))
-;; Use outer context values always, unless you're going to prompt for
-;; the values to use. PKH
-;; (calendar-daylight-savings-starts
-;; (if (< arg 16) calendar-daylight-savings-starts))
-;; (calendar-daylight-savings-ends
-;; (if (< arg 16) calendar-daylight-savings-ends))
+ (calendar-daylight-savings-starts
+ (if (< arg 16) calendar-daylight-savings-starts))
+ (calendar-daylight-savings-ends
+ (if (< arg 16) calendar-daylight-savings-ends))
(date (if (< arg 4) (calendar-current-date) (calendar-read-date)))
(date-string (calendar-date-string date t))
(time-string (solar-sunrise-sunset date))