From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mp10.migadu.com ([2001:41d0:8:6d80::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by ms5.migadu.com with LMTPS id qF5yNvBhxmP3QQEAbAwnHQ (envelope-from ) for ; Tue, 17 Jan 2023 09:53:05 +0100 Received: from aspmx1.migadu.com ([2001:41d0:8:6d80::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by mp10.migadu.com with LMTPS id 2NiMNfBhxmN5ygAAG6o9tA (envelope-from ) for ; Tue, 17 Jan 2023 09:53:04 +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 A95AC21A3D for ; Tue, 17 Jan 2023 09:53:04 +0100 (CET) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pHhi3-0003gn-QF; Tue, 17 Jan 2023 03:52:47 -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 1pHhi1-0003gG-R3 for emacs-orgmode@gnu.org; Tue, 17 Jan 2023 03:52:46 -0500 Received: from mout02.posteo.de ([185.67.36.66]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pHhhz-0008VH-S5 for emacs-orgmode@gnu.org; Tue, 17 Jan 2023 03:52:45 -0500 Received: from submission (posteo.de [185.67.36.169]) by mout02.posteo.de (Postfix) with ESMTPS id A509E24029F for ; Tue, 17 Jan 2023 09:52:41 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=posteo.net; s=2017; t=1673945561; bh=cidyl+pkNm1eb8+bvZ13ZhJRuTi7nxead1wMnHERf1o=; h=From:To:Cc:Subject:Date:From; b=G2QMAf56F4yehiiZwOKZvYJSA7oiSxzwEBqElcJMI4zih/I9+l3OWAH1rotYvhtwu 5tCBdkgprY4tji6x5VWzP6xIgqqLRjsky330psEl+Xy50tHKtDL4IJ/mebP+F3L85s bZGWdJD3/52MkFFyfIUDhbpCB/NueR6BTh5ChIiEx0X7302H7JMJ8T8JP1xG1Qxnwr nms0WvSsmpd2z1HQix2M699TO/8Sifx96n6butCvNdd9DLIRflp+UiBWu3vio6GirL AeETxb+18J4xh3EKGMhGlOwbEklKTc0WOOyvBD3Gr+2hWV8ZV5YZriM+MI+xpsvtm6 xBffJFRBU0WlA== Received: from customer (localhost [127.0.0.1]) by submission (posteo.de) with ESMTPSA id 4Nx2hm3kfGz6tmF; Tue, 17 Jan 2023 09:52:40 +0100 (CET) From: Ihor Radchenko To: Robert Horn Cc: Tom Gillespie , emacs-orgmode@gnu.org, rjhorn@alum.mit.edu Subject: Re: [FEATURE REQUEST] Timezone support in org-mode datestamps and org-agenda In-Reply-To: References: <86zgamtv6o.fsf@gmail.com> <87tu0t1i0c.fsf@localhost> <63c2aa9e.170a0220.3bb49.9ef4@mx.google.com> <87pmbhz1x6.fsf@localhost> <87wn5mlo7f.fsf@localhost> <87pmbelnd0.fsf@localhost> <87fscajo2q.fsf@localhost> <87cz7ejmgu.fsf@localhost> Date: Tue, 17 Jan 2023 08:53:10 +0000 Message-ID: <871qntk0eh.fsf@localhost> MIME-Version: 1.0 Content-Type: text/plain Received-SPF: pass client-ip=185.67.36.66; envelope-from=yantar92@posteo.net; helo=mout02.posteo.de X-Spam_score_int: -43 X-Spam_score: -4.4 X-Spam_bar: ---- X-Spam_report: (-4.4 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=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-Seal: i=1; s=key1; d=yhetil.org; t=1673945584; a=rsa-sha256; cv=none; b=XS/IuuHoTMELq7nI5rr+hhr9YaZoVbdR6WL6HGdyfZjgSipitv3zZjGT9u/TEXv0G06OE5 I1T3SdEr6G68eviVAOOHJmh7Q7VmbxMsHXQXcyiVKCzfCEtUEASFyj/6VepZVizlIBceBh +jLSCBEO8vUoj8k9TrF+lL/jnpUwuYuI+rAmvtW1Azr6FWlVa3opZl4KIWO/6b5Pp4w/9L 3CNh/DMF98l2N+4qXORLd5/uXO8VAySwP9wrF1VbDdjTNA/MMexv03KkIjaVhWxqtAeFdr QIIuNB0KwtxFkFC/VO7V4FYeoxgq3G9Z81rbO7+Hhs1qXWodnjUZKr/XFnhw8g== ARC-Authentication-Results: i=1; aspmx1.migadu.com; dkim=pass header.d=posteo.net header.s=2017 header.b=G2QMAf56; 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=pass (policy=none) header.from=posteo.net ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=yhetil.org; s=key1; t=1673945584; 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:in-reply-to:in-reply-to: references:references:list-id:list-help:list-unsubscribe: list-subscribe:list-post:dkim-signature; bh=ei5zIZqtg+etKUsoXduwkTvthkPjHV55QA/w5gB8sVM=; b=Ggfjq7zAOqAWb5sdIbaxafEH9m3dAbRdApcrIfUPnXH8IHNzyvvTTZ+FdFBP8hWUQf5vc5 yMeVaFBy4cB0tWqE8BtDoUue0UWcWd/J/N1sjEM24RJ8pRvMMUOYzMphB62TEw7qzjYlyR pSrUORSuFzRSlxhRxW98Ni9VJr/mBcQzcA5cGVVjJLRRbGOklREZo/u/BUVjbwIffncgdC XZSkMjJSZgANXHFZeoE7zy6GxZFUB5XTqL+lS/CQWaWWI7zP4AUftqCJ57kSsHEEeAufq0 soZYgpeLPzQOgmGOoJB2ebdBNvxWiwOGOvlDlU3zoOgZlBDk2m/bVnSQG0ix4g== X-Migadu-Spam-Score: -6.08 X-Spam-Score: -6.08 X-Migadu-Queue-Id: A95AC21A3D X-Migadu-Scanner: scn1.migadu.com Authentication-Results: aspmx1.migadu.com; dkim=pass header.d=posteo.net header.s=2017 header.b=G2QMAf56; 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=pass (policy=none) header.from=posteo.net X-TUID: ZOv75vK+ZfxE Robert Horn writes: > Those who wanted astronomical or other relationships would usually > specify UTC or TAI. They might use a fixed offset for UTC. People who > are into the demands of TAI (e.g., orbital mechanics) generally don't > want to deal with the offsets or other issues that come up with UTC, so > they wanted TAI. Unless time zone database supports TAI, we cannot support it. Does someone know if TAI is available somewhere in TZdb? -- Ihor Radchenko // yantar92, Org mode contributor, Learn more about Org mode at . Support Org development at , or support my work at