From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mp10.migadu.com ([2001:41d0:2:bcc0::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by ms5.migadu.com with LMTPS id uMQYJGyA22N3YwEAbAwnHQ (envelope-from ) for ; Thu, 02 Feb 2023 10:20:44 +0100 Received: from aspmx1.migadu.com ([2001:41d0:2:bcc0::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by mp10.migadu.com with LMTPS id +IJDI2yA22OGdgEAG6o9tA (envelope-from ) for ; Thu, 02 Feb 2023 10:20:44 +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 5D91046E29 for ; Thu, 2 Feb 2023 10:20:44 +0100 (CET) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pNVlK-0006rQ-T2; Thu, 02 Feb 2023 04:20:10 -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 1pNVlF-0006pz-B8 for emacs-orgmode@gnu.org; Thu, 02 Feb 2023 04:20:08 -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 1pNVlB-0004X6-Rw for emacs-orgmode@gnu.org; Thu, 02 Feb 2023 04:20:04 -0500 Received: from submission (posteo.de [185.67.36.169]) by mout02.posteo.de (Postfix) with ESMTPS id 7BC4B240487 for ; Thu, 2 Feb 2023 10:19:57 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=posteo.net; s=2017; t=1675329599; bh=u1ma5QSQYmYUJW9GrJ75eL1+5oVt+Ms1NmYzFfRhknM=; h=From:To:Cc:Subject:Date:From; b=PV2yJW/JOo8Fssa3N7Xwgf6+UJpcuia29zoMnv1xh22ellE9fm3jqX1YqaJICh7b9 /GX4HUJAqmEoteM18C3RBkYHZn0MhatwpA/+TCaxy06x8GxmAUirLKU+6qWPihsYKu lcxFjsm+JfBOdudWk7oS2Ku39zgVXEwsLciJrcTz7J1sczoTCh5piO0BpjqLLs+0B2 o1l/YYgNP9q1fLgcVrdjGzieBovE/75txUZMDIFand1aQHadzvs7rHn6ygjwy3PZLu jvrIA5e1pruYH4ylpv0qXsfTsPy+CEvipaMSJBad1RiuujW72gHyft9ePRJbSkjKjb l8FFUJVPThC3w== Received: from customer (localhost [127.0.0.1]) by submission (posteo.de) with ESMTPSA id 4P6tXr67DNz9rxM; Thu, 2 Feb 2023 10:19:56 +0100 (CET) From: Ihor Radchenko To: Timothy Cc: emacs-orgmode@gnu.org Subject: Re: [POLL] Proposed syntax for timestamps with time zone info (was: [FEATURE REQUEST] Timezone support in org-mode datestamps and org-agenda) In-Reply-To: <877cx0mnu6.fsf@tec.tecosaur.net> References: <87fsc88aq9.fsf@localhost> <63c7dd3d.170a0220.6b4d6.f84f@mx.google.com> <877cxk6oeu.fsf@localhost> <63c86454.170a0220.80970.652d@mx.google.com> <63c8f5a6.170a0220.ea8cf.7f96@mx.google.com> <63c9b654.170a0220.d82d2.4254@mx.google.com> <87mt6e86sr.fsf@tsdye.online> <63c9d976.620a0220.a7d40.113b@mx.google.com> <87tu0mjb24.fsf@tsdye.online> <63ca1283.170a0220.5bc81.0fdd@mx.google.com> <87pmb9k8oi.fsf@tsdye.online> <3035CDD5-41DD-4516-9E4E-9E0DF16BE2E0@gmail.com> <87lelo8c9r.fsf@localhost> <2150768.1675077958@archlinux> <87tu063ox2.fsf@localhost> <87a61wn23k.fsf@tec.tecosaur.net> <87357oqvm5.fsf@localhost> <877cx0mnu6.fsf@tec.tecosaur.net> Date: Thu, 02 Feb 2023 09:20:32 +0000 Message-ID: <87wn50pgnz.fsf@localhost> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable 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=1675329644; a=rsa-sha256; cv=none; b=Gf4sx5hs4FQCqGu3r0T2OQ69AD5pguPjKsQ3ubjHI9ij8W+4andZE84xLzSTb09dd5Qr/r UUysf9eAT5ubhVWTwbdyTt9JCbvyboBHeJjxY6ncOYsKNRLLvmU5liiLWsK9FoHT2NzOaE Y6igxNIHUKrE82f3cFl511xcqusbUJna+GfICRkPZEJmXN4E5zYfnMGKx4RKNZ19pkoENi Xvucw2uWQZR5vTklw7B3W1zC2lfDnUIiO3fQQDYyAhn1dsOc+TfY35cgrNZXEupcvjZ92S 0nD5pUla7t8OnBPfY5Ef0mcia186gNrxhWJDuPPdAYLY7/oobaogbTixu1zecg== ARC-Authentication-Results: i=1; aspmx1.migadu.com; dkim=pass header.d=posteo.net header.s=2017 header.b="PV2yJW/J"; dmarc=pass (policy=none) header.from=posteo.net; 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" ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=yhetil.org; s=key1; t=1675329644; 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:dkim-signature; bh=uJvUm/g5ecir+nK8tj5XTrn/VW8Ft47giySvE5ZCvKw=; b=qQVK0ee57ewsugqJwtQ02ebcNO/P6d7VefQ01q72+41Iej8v1JD68G1o4UE90WfcBDLsAO 1cpCabbTAJUb/P+Sh30q5ySJGhdEWw0VYBvup1pF7QP+zSnQOMzyGZzf8PpbNsNcTusCkt oJPu/tO8BLZtEmuIvwndeRpC9H7ZP3sXsCUYroG6Y9VuMrFCkqjowhQyuQFvn8LmvcZDvw i2S/3O9RUrwXTxJ4GJMjjz8Vc1CUEVRMSOV8sv3JQogmA90pM1UbJ/cKnv7KUvRdlmUjAW Fv6wPvsrgHDujTTaBtM2loGYDUmFB6pHBJ94huVD2232fQHc4hd3yvNsYuhM9g== X-Migadu-Spam-Score: -9.55 X-Spam-Score: -9.55 X-Migadu-Queue-Id: 5D91046E29 X-Migadu-Scanner: scn0.migadu.com Authentication-Results: aspmx1.migadu.com; dkim=pass header.d=posteo.net header.s=2017 header.b="PV2yJW/J"; dmarc=pass (policy=none) header.from=posteo.net; 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" X-TUID: IRib8+WE+URq Timothy writes: >> with CST being ambiguous (and also not supported by `encode-time=E2=80= =99). > > I imagine here one could ignore unrecognised but non-conflicting timestam= ps. There is no reliable way to detect if a time zone abbreviation is ambiguous or not. `encode-time' will not signal anything and simply treat unrecognised time zone as UTC (currently; the actual behaviour is undefined AFAIK). --=20 Ihor Radchenko // yantar92, Org mode contributor, Learn more about Org mode at . Support Org development at , or support my work at