From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mp10.migadu.com ([2001:41d0:2:4a6f::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by ms5.migadu.com with LMTPS id UPS5BthTxGMXSgAAbAwnHQ (envelope-from ) for ; Sun, 15 Jan 2023 20:28:24 +0100 Received: from aspmx1.migadu.com ([2001:41d0:2:4a6f::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by mp10.migadu.com with LMTPS id qFvdBdhTxGM6IAAAG6o9tA (envelope-from ) for ; Sun, 15 Jan 2023 20:28:24 +0100 Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by aspmx1.migadu.com (Postfix) with ESMTPS id DC59B28966 for ; Sun, 15 Jan 2023 20:28:23 +0100 (CET) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pH8fG-00089O-5z; Sun, 15 Jan 2023 14:27:34 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pH8fE-00088n-M2 for emacs-orgmode@gnu.org; Sun, 15 Jan 2023 14:27:32 -0500 Received: from stw1.rcdrun.com ([217.170.207.13]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pH8fD-0006H2-0N for emacs-orgmode@gnu.org; Sun, 15 Jan 2023 14:27:32 -0500 Received: from localhost ([::ffff:197.239.8.177]) (AUTH: PLAIN admin, TLS: TLS1.3,256bits,ECDHE_RSA_AES_256_GCM_SHA384) by stw1.rcdrun.com with ESMTPSA id 0000000000055DAE.0000000063C453A5.0000257A; Sun, 15 Jan 2023 12:27:33 -0700 Date: Sun, 15 Jan 2023 22:12:58 +0300 From: Jean Louis To: Max Nikulin Cc: emacs-orgmode@gnu.org Subject: Re: [FEATURE REQUEST] Timezone support in org-mode datestamps and org-agenda Message-ID: Mail-Followup-To: Max Nikulin , emacs-orgmode@gnu.org References: Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Content-Disposition: inline In-Reply-To: User-Agent: Mutt/2.2.9+54 (af2080d) (2022-11-21) Received-SPF: pass client-ip=217.170.207.13; envelope-from=bugs@gnu.support; helo=stw1.rcdrun.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: emacs-orgmode@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "General discussions about Org-mode." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-orgmode-bounces+larch=yhetil.org@gnu.org Sender: emacs-orgmode-bounces+larch=yhetil.org@gnu.org X-Migadu-Country: US X-Migadu-Flow: FLOW_IN ARC-Authentication-Results: i=1; aspmx1.migadu.com; dkim=none; spf=pass (aspmx1.migadu.com: domain of "emacs-orgmode-bounces+larch=yhetil.org@gnu.org" designates 209.51.188.17 as permitted sender) smtp.mailfrom="emacs-orgmode-bounces+larch=yhetil.org@gnu.org"; dmarc=none ARC-Seal: i=1; s=key1; d=yhetil.org; t=1673810903; a=rsa-sha256; cv=none; b=fmwFO+wdWst1nMSsXU9GiHCP7F9Vr/GIq1GlxycPgW2i0vrF/2wHVMXDc/CltByuJQIQiQ ora63gTf9/R/xP/K4MIZqjFv6ch0Fk1MkFuexTx6FxBmuPxxCsyyhVEbmPB29fnAUaWDWQ cwc4FeZvNpN/HTdRVofLDgnct/TBnl1FM2erPGhBqt7NXms+5U1wYyYOlmFr1q5/vM2jiP cTrqUmAunZDt/CCwT/yGV7j98iHwXc98dWV4+hdRATQ9HM6kWUV1s6GQf43NEEteWjnlLs mplYLHBNFmGTYa68Xhuo2O6ucrbCUhWxygh7tNKrGMdEdLUJ6x+Je7OOQI9ijQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=yhetil.org; s=key1; t=1673810903; h=from:from:sender:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:list-id:list-help: list-unsubscribe:list-subscribe:list-post; bh=82Ftr1k5QpXUGYfBoqwLfpvX+VloVdboHTYUGZzHo80=; b=qz30aK/6LT92GE9IRu7RUCnEGcsWiRw4HnxClclACfzR3TcP2YHDW6FY8qYjj2qJ//7+ED qI1dRr4pO+ZSvb63u/CqGCo8tUcX4e8qOmdgiVZvYPmtX5rx1WhmlZGnQbfTUD5wScvwte jfBIk+5xS+b+ZuTu7B8iNCOeECTlkXpIAvJxfubW7iDcPUkGw14sw+Wo4hBeFTCaVzcfI7 jiLZECJWa+ERKV5BGNAjX0tU+J9sPFAPu+s5RwbjliQ2n2DsdtaE78Zksb7v6f0BdkQ4oK HnIOJoXynXV5ElmZpcNQdxPGNfyuJ8nIg0hLd1ACJ76YCT1RLENEzhxd6/1Bww== X-Migadu-Queue-Id: DC59B28966 X-Migadu-Scanner: scn0.migadu.com Authentication-Results: aspmx1.migadu.com; dkim=none; spf=pass (aspmx1.migadu.com: domain of "emacs-orgmode-bounces+larch=yhetil.org@gnu.org" designates 209.51.188.17 as permitted sender) smtp.mailfrom="emacs-orgmode-bounces+larch=yhetil.org@gnu.org"; dmarc=none X-Migadu-Spam-Score: -3.22 X-Spam-Score: -3.22 X-TUID: Gi4nNTKhCy23 * Max Nikulin [2023-01-14 19:59]: > On 14/01/2023 20:08, Jean Louis wrote: > > * Max Nikulin [2023-01-14 10:14]: > > > Let's assume <2023-01-15 Sun 09:00 +1> > > > > > > It may be suitable for timestamps in the past, but future is more tricky. > > > There is no problem if you are going to watch Lunar eclipse. However if your > > > plan is to attend a local event there is a chance that you will arrive at > > > wrong time. Sometimes offset of timezones is changed and it may happen > > > between the moment when you added a scheduled time and the moment of the > > > event. > > > > Can't follow you. > > > > with "+1" I would say it is time zone. > > > > Basic point is that users shall learn to express themselves by using > > time zone. > > "+1" is not a timezone, it is current offset shared by several timezones. > You can not assure that time offset at a particular location would not > change due to new administrative rules. Fine, that was example to indicat time zone. I don't really use Org for timestamps since quite some time, as every time stamp on my side must be stored in database. My Org usage is with generated read-only buffers these days. It is good for representation and sometimes conversion to other files. -- Jean Take action in Free Software Foundation campaigns: https://www.fsf.org/campaigns In support of Richard M. Stallman https://stallmansupport.org/