From 46df7bbe12cce4c9af7ce4357aa9f8d36c1d8933 Mon Sep 17 00:00:00 2001 From: Lars Ingebrigtsen Date: Tue, 30 Jul 2019 16:56:12 +0200 Subject: Add new function time-zone-format * lisp/calendar/time-date.el (time-zone-format): New function. --- lisp/calendar/time-date.el | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'lisp') diff --git a/lisp/calendar/time-date.el b/lisp/calendar/time-date.el index f14478e67cc..efc9ae4e3b9 100644 --- a/lisp/calendar/time-date.el +++ b/lisp/calendar/time-date.el @@ -352,6 +352,16 @@ is output until the first non-zero unit is encountered." (<= (car here) delay))) (concat (format "%.2f" (/ delay (car (cddr here)))) (cadr here)))))) +(defun time-zone-format (seconds) + "Format SECONDS as a valid time zone string. +For instance, 3600 is \"+01:00\"." + (format "%s%02d:%02d" + (if (< seconds 0) + "-" + "+") + (/ (abs seconds) 3600) + (mod (abs seconds) 3600))) + (defun date-days-in-month (year month) "The number of days in MONTH in YEAR." (if (= month 2) -- cgit v1.2.3