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Dye" To: Jean Louis Cc: Ihor Radchenko , Greg Minshall , Sterling Hooten , "Thomas S. Dye" , Tim Cross , Daryl Manning , rjhorn@alum.mit.edu, 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) Date: Tue, 31 Jan 2023 21:00:35 -1000 In-reply-to: Message-ID: <87v8klvpd3.fsf@tsdye.online> MIME-Version: 1.0 Content-Type: text/plain; format=flowed X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - box2035.bluehost.com X-AntiAbuse: Original Domain - gnu.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - tsdye.online X-BWhitelist: no X-Source-IP: 50.113.33.148 X-Source-L: No X-Exim-ID: 1pN79v-000LEr-0s X-Source: X-Source-Args: X-Source-Dir: X-Source-Sender: cpe-50-113-33-148.hawaii.res.rr.com (poto-foou.tsdye.online) [50.113.33.148]:37896 X-Source-Auth: tsd@tsdye.online X-Email-Count: 8 X-Source-Cap: dHNkeWVvbmw7dHNkeWVvbmw7Ym94MjAzNS5ibHVlaG9zdC5jb20= X-Local-Domain: yes Received-SPF: permerror client-ip=173.254.64.10; envelope-from=tsd@tsdye.online; helo=qproxy1-pub.mail.unifiedlayer.com X-Spam_score_int: -8 X-Spam_score: -0.9 X-Spam_bar: / X-Spam_report: (-0.9 / 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, FROM_SUSPICIOUS_NTLD=0.499, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_SOFTFAIL=0.665, T_PDS_OTHER_BAD_TLD=0.01 autolearn=no 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-Flow: FLOW_IN X-Migadu-Country: US ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=yhetil.org; s=key1; t=1675236004; 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=/be6Ex4SMU2HlxlpaRsCD7wx+IcWKOBy2z37aHzetpE=; b=c4jCRQLLb2dwsRiXMHwVr6HZqX2Wzzrb1KtMFUpR7+fcghIHLp0cSuvm9MEglxlzWo+B0t 4aH2c4Xh5VOhbAf+pWNGg/LvWHXBbRezgzn6W9MXzNCuNcR1N5DTEgRF6GEM+amRxyonvT v1yh9UtW1Zi3hDpbOTuVZkkBBlHGdCu7kgz2qnEhJ1bf0GO2pAX7Yvw+0XhVI7DiCpElBl CrW4oOo0qPuLWQ362rtxUWQDa1+SHHSPXleUMv3TUgo1gf3JWvyIgpulPhm6A8sjcbgBQs zeqDjk0c4CBzummZFidjRhJ29cFmhRZPKWqoV7K4HJJ4fGHx9MeukGEjvL2hNQ== ARC-Authentication-Results: i=1; aspmx1.migadu.com; dkim=fail ("headers rsa verify failed") header.d=tsdye.online header.s=default header.b=aqkWhOlw; 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=1675236004; a=rsa-sha256; cv=none; b=NSAes4Y6fKd3nUeVBtl8Mbhc6VENAKEogZ6DdpRL6n2IjcP21ed50gjw1RC05ZeOp+ix69 H9TLNiJ1Ki/8vetIhVYyPH+jegkV42FWAvNrl8uNFGI5zNYy3Z1mqRn6ZCrZNfHODNh0gG m6SljfSNg6n7Xg3002bYwdeadBvY5ig9M/ion9G8ekN3mszsu99/hYFRPKnrF0G7GU9sds lwcv/RTHcbdIjExC8o0yXP6jGMRL0AtP7VU51tvTYo5feMNLcl5wha7u2Ak9KQBIMp7cYI 5GexEEeR/A34lecNj3E0+cC70vduBPdYBZmA6QLwkEw2wMY9VNOjq/NnjjcHfw== Authentication-Results: aspmx1.migadu.com; dkim=fail ("headers rsa verify failed") header.d=tsdye.online header.s=default header.b=aqkWhOlw; 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-Scanner: scn0.migadu.com X-Spam-Score: -2.18 X-Migadu-Queue-Id: DCA2D33885 X-Migadu-Spam-Score: -2.18 X-TUID: ga4MQqDFB53M Aloha Jean Louis, Jean Louis writes: > * Ihor Radchenko [2023-01-31 16:46]: >> Specifying just @Europe/Berlin is ambiguous around the daylight >> savings >> transition. > > Sorry, I cannot see practical example why is it ambiguous. > Unless > programmer does not take all information in account, it is not > ambigous. People on this planet agree on time zones in advance, > so > there are few changes that people cannot plan in advance. Please see Russia's plan to put Eastern Ukraine on Moscow time, and then come back and argue that people on this planet agree on time zones in advance: https://www.nytimes.com/2023/01/27/world/europe/russia-ukraine-time-zones.html?smid=url-share All the best, Tom -- Thomas S. Dye https://tsdye.online/tsdye