From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.io/gmane.emacs.gnus.general/84434 Path: news.gmane.org!not-for-mail From: Eric S Fraga Newsgroups: gmane.emacs.gnus.general Subject: Re: format-time-string (was Re: time format on message citation line) Date: Fri, 11 Apr 2014 09:14:50 +0100 Organization: CPSE, Department of Chemical Engineering, University College London (UCL) Message-ID: <874n20s2o5.fsf@ucl.ac.uk> References: <87a9c4cre4.fsf@gmail.com> <87ioqq3bac.fsf@gmail.com> <87k3ax2knm.fsf@igel.home> <87mwftf4o4.fsf@ucl.ac.uk> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1397204171 11616 80.91.229.3 (11 Apr 2014 08:16:11 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Fri, 11 Apr 2014 08:16:11 +0000 (UTC) To: Original-X-From: ding-owner+M32680@lists.math.uh.edu Fri Apr 11 10:16:04 2014 Return-path: Envelope-to: ding-account@gmane.org Original-Received: from util0.math.uh.edu ([129.7.128.18]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1WYWd0-0000Tt-H7 for ding-account@gmane.org; Fri, 11 Apr 2014 10:16:02 +0200 Original-Received: from localhost ([127.0.0.1] helo=lists.math.uh.edu) by util0.math.uh.edu with smtp (Exim 4.63) (envelope-from ) id 1WYWc9-0000Vn-Ep; Fri, 11 Apr 2014 03:15:09 -0500 Original-Received: from mx1.math.uh.edu ([129.7.128.32]) by util0.math.uh.edu with esmtps (TLSv1:AES256-SHA:256) (Exim 4.63) (envelope-from ) id 1WYWc5-0000Va-BB for ding@lists.math.uh.edu; Fri, 11 Apr 2014 03:15:05 -0500 Original-Received: from quimby.gnus.org ([80.91.231.51]) by mx1.math.uh.edu with esmtps (TLSv1:AES128-SHA:128) (Exim 4.76) (envelope-from ) id 1WYWc3-0002ry-76 for ding@lists.math.uh.edu; Fri, 11 Apr 2014 03:15:04 -0500 Original-Received: from mail-db3lp0081.outbound.protection.outlook.com ([213.199.154.81] helo=emea01-db3-obe.outbound.protection.outlook.com) by quimby.gnus.org with esmtp (Exim 4.80) (envelope-from ) id 1WYWc0-0002gU-Pz for ding@gnus.org; Fri, 11 Apr 2014 10:15:00 +0200 Original-Received: from localhost (95.151.195.53) by AMSPR01MB232.eurprd01.prod.exchangelabs.com (10.242.93.154) with Microsoft SMTP Server (TLS) id 15.0.918.8; Fri, 11 Apr 2014 08:14:54 +0000 X-Url: http://www.ucl.ac.uk/~ucecesf/ Mail-Followup-To: ding@gnus.org In-Reply-To: (Katsumi Yamaoka's message of "Fri, 11 Apr 2014 08:34:38 +0900") User-Agent: Gnus/5.13001 (Ma Gnus v0.10) Emacs/24.4.50 (gnu/linux) X-Originating-IP: [95.151.195.53] X-ClientProxiedBy: DB3PR07CA007.eurprd07.prod.outlook.com (10.242.134.47) To AMSPR01MB232.eurprd01.prod.exchangelabs.com (10.242.93.154) X-UCLLIVE-SCLRULE: HASRUN X-Forefront-PRVS: 0178184651 X-Forefront-Antispam-Report: SFV:NSPM;SFS:(10009001)(6009001)(6069001)(428001)(24454002)(189002)(199002)(377424004)(85852003)(83072002)(74482001)(81542001)(74502001)(74826001)(74662001)(80976001)(86362001)(48376002)(50466002)(99396002)(20776003)(47776003)(83322001)(80022001)(77982001)(66066001)(79102001)(76482001)(31966008)(4396001)(83506001)(76506004)(33646001)(92566001)(81342001)(36756003)(54356999)(76176999)(42186004)(87976001)(46102001)(92726001)(50986999);DIR:OUT;SFP:1101;SCL:1;SRVR:AMSPR01MB232;H:localhost;FPR:BCB2C086.1F38C63B.38FD53E4.84EFE923.2019F;PTR:InfoNoRecords;MX:1;A:1;LANG:en; Received-SPF: None (: ucl.ac.uk does not designate permitted sender hosts) X-OriginatorOrg: ucl.ac.uk X-Spam-Score: -2.9 (--) List-ID: Precedence: bulk Xref: news.gmane.org gmane.emacs.gnus.general:84434 Archived-At: On Friday, 11 Apr 2014 at 00:34, Katsumi Yamaoka wrote: [...] >> But I have a question about the summer time (daylight saving time). >> Is a computer clock adjusted automatically when the summer time >> starts and ends? If so, does the return value of (current-time-zone) >> switch when the day comes? Otherwise, do people who live in such >> region have to alter the TZ environment variable manually (twice in >> a year)? In the UK, on my Linux system, (current-time-zone) returns (3600 "BST") The system clock is set to UTC so it is independent of daylight savings. The time zone information is used to display the right time. -- : Eric S Fraga, GnuPG: 0xFFFCF67D : in Emacs 24.4.50.2 + Ma Gnus v0.10 + evil evil-git-fcfb3be : BBDB version 3.1.1 (2014-03-11 17:17:00 -0500)