From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: <emacs-orgmode-bounces+larch=yhetil.org@gnu.org> Received: from mp11.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 SDMiA7eq0mNzRgEAbAwnHQ (envelope-from <emacs-orgmode-bounces+larch=yhetil.org@gnu.org>) for <larch@yhetil.org>; Thu, 26 Jan 2023 17:30:47 +0100 Received: from aspmx1.migadu.com ([2001:41d0:2:4a6f::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by mp11.migadu.com with LMTPS id WJYYA7eq0mNEsQAA9RJhRA (envelope-from <emacs-orgmode-bounces+larch=yhetil.org@gnu.org>) for <larch@yhetil.org>; Thu, 26 Jan 2023 17:30:47 +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 14DA7538B for <larch@yhetil.org>; Thu, 26 Jan 2023 17:30:45 +0100 (CET) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from <emacs-orgmode-bounces@gnu.org>) id 1pL58T-0003cw-BZ; Thu, 26 Jan 2023 11:30:02 -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 <tsd@tsdye.online>) id 1pL58P-0003co-Rn for emacs-orgmode@gnu.org; Thu, 26 Jan 2023 11:29:58 -0500 Received: from gproxy1-pub.mail.unifiedlayer.com ([69.89.25.95]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <tsd@tsdye.online>) id 1pL58N-0001mQ-IH for emacs-orgmode@gnu.org; Thu, 26 Jan 2023 11:29:57 -0500 Received: from cmgw13.mail.unifiedlayer.com (unknown [10.0.90.128]) by progateway3.mail.pro1.eigbox.com (Postfix) with ESMTP id E704A100483F5 for <emacs-orgmode@gnu.org>; Thu, 26 Jan 2023 16:29:51 +0000 (UTC) Received: from box2035.bluehost.com ([74.220.219.237]) by cmsmtp with ESMTP id L58Jp1AQ1NX2aL58Jpntk2; Thu, 26 Jan 2023 16:29:51 +0000 X-Authority-Reason: nr=8 X-Authority-Analysis: v=2.4 cv=NMAQR22g c=1 sm=1 tr=0 ts=63d2aa7f a=VozZY++RX3oc2UgfNhVfaA==:117 a=VozZY++RX3oc2UgfNhVfaA==:17 a=dLZJa+xiwSxG16/P+YVxDGlgEgI=:19 a=IkcTkHD0fZMA:10:nop_charset_1 a=MKtGQD3n3ToA:10:nop_fastflux_from_domain_1 a=1oJP67jkp3AA:10:nop_fastflux_mid_domain_1 a=RvmDmJFTN0MA:10:nop_rcvd_month_year a=DPR-AOO6AYYA:10:endurance_base64_authed_username_1 a=A2tt7buDTgEA:10:from_fastflux_domain1 a=yyJd0-ZHAAAA:8 a=o9zw6IYYAAAA:8 a=TmpzX8iRE5gWTqHX0XIA:9 a=QEXdDO2ut3YA:10:nop_charset_2 a=-FEs8UIgK8oA:10:nop_fastflux_domain_1 a=tZ66tqNesld6_HzJrOHp:22 a=BtxB1_lq3pBo68oZtZ_9:22 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=tsdye.online; s=default; h=Content-Transfer-Encoding:Content-Type: MIME-Version:Message-ID:In-reply-to:Date:Subject:Cc:To:From:References:Sender :Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help: List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=XaXHJLFHZSPGiHbwVdhhKoEnwd07gooLbN1lr6Trjvw=; b=bPBVeLeebr9HmkfbRkvcZ8EuUa jEZz/pAfePv7091mZetjwGxAeANuM2uzpCIJ43DOugXomFBJKDxUxfmmt/5QDj+SthHw49u4SFHNf madtifvC8sg1wNkGhL03bzk4/F7cmiWZQuT/wFdpXomFVxyrFNPA05RI20LCSjGZRH9NQtaaU2nLe MQ2j1XQZGqKNg4dwQ0dJUF9JxTMcDg4VsBvKoglSdYydSDrnOExmMM0Z0qPWo3JdVA4KYOHmz+ltd 9e4+TGb6rPXazg06LFRwbk3RXPc6za6rBkhyjS0m9L0F3mNCg8AxyBOL50sTIiMs9w2qRHxr38cE5 ecAJqewA==; Received: from cpe-50-113-33-148.hawaii.res.rr.com ([50.113.33.148]:42726 helo=poto-foou.tsdye.online) by box2035.bluehost.com with esmtpsa (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.95) (envelope-from <tsd@tsdye.online>) id 1pL58J-0011AF-84; Thu, 26 Jan 2023 09:29:51 -0700 References: <CAL9aZkusXaNVCu7+nO-ic8SHhwVdOiXYtDyF=Gz7h+NoLaOZXQ@mail.gmail.com> <CAJcAo8uF3m=oBOW1WVK8b9KNHgoEaND0_rcC1SAuTexx+XOSog@mail.gmail.com> <CA+G3_PPcwS21HrGt9nYNJZ2+z7L_wLP5v_qcR0cCcjQ+BA5t0w@mail.gmail.com> <87bkmluxnq.fsf@localhost> <87k0191dsr.fsf@ucl.ac.uk> User-agent: mu4e 1.6.10; emacs 27.1 From: "Thomas S. Dye" <tsd@tsdye.online> To: "Fraga, Eric" <e.fraga@ucl.ac.uk> Cc: Ihor Radchenko <yantar92@posteo.net>, Tom Gillespie <tgbugs@gmail.com>, Carsten Dominik <dominik@uva.nl>, emacs-orgmode@gnu.org Subject: Re: Org mode timestamps on the Moon ;] Date: Thu, 26 Jan 2023 06:28:08 -1000 In-reply-to: <87k0191dsr.fsf@ucl.ac.uk> Message-ID: <87y1ppfedf.fsf@tsdye.online> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: quoted-printable 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: 1pL58J-0011AF-84 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]:42726 X-Source-Auth: tsd@tsdye.online X-Email-Count: 5 X-Source-Cap: dHNkeWVvbmw7dHNkeWVvbmw7Ym94MjAzNS5ibHVlaG9zdC5jb20= X-Local-Domain: yes Received-SPF: pass client-ip=69.89.25.95; envelope-from=tsd@tsdye.online; helo=gproxy1-pub.mail.unifiedlayer.com X-Spam_score_int: -15 X-Spam_score: -1.6 X-Spam_bar: - X-Spam_report: (-1.6 / 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=0.498, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, 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." <emacs-orgmode.gnu.org> List-Unsubscribe: <https://lists.gnu.org/mailman/options/emacs-orgmode>, <mailto:emacs-orgmode-request@gnu.org?subject=unsubscribe> List-Archive: <https://lists.gnu.org/archive/html/emacs-orgmode> List-Post: <mailto:emacs-orgmode@gnu.org> List-Help: <mailto:emacs-orgmode-request@gnu.org?subject=help> List-Subscribe: <https://lists.gnu.org/mailman/listinfo/emacs-orgmode>, <mailto:emacs-orgmode-request@gnu.org?subject=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=1674750646; 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=XaXHJLFHZSPGiHbwVdhhKoEnwd07gooLbN1lr6Trjvw=; b=DPBNo+qzpui8bKIpj+YTG9UbXyn4f16JjpaQgJA8WZ1uUY/4JTsApdPWZFrG/3S63Eu9na Dn5bhOIWi+oDT+r9uMOFloGB5bkH9rpWO9Pw+svyILod8UlKoJI/XepPyD4rPUkLiUxa7Y 8L+VhZbaEOfdOs9G+xdrz90IPtSw1xdRuZcEf1WW/vSTZscE0QnqZQFiTVW/7aCpCFJM4Y BnA2Vk9u8qBsg8OnJTHb8J1XS28m4Z6kxp6GTWxUutL+aWkDpto5oZYOWe7cNlM2Hd0arF RmOLdF4VpEoS0optCzuVQQd+5WM6HtnyEejTjEzLicVD//xKye8xjf2EUR4+rg== ARC-Authentication-Results: i=1; aspmx1.migadu.com; dkim=fail ("headers rsa verify failed") header.d=tsdye.online header.s=default header.b=bPBVeLee; 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=1674750646; a=rsa-sha256; cv=none; b=DydLXEI0PmUYMHdnx0JMCvlGsfcFj3kP6IE4m1xCUf/0Vk+0tolpbyyz0r2hCC38MXGw8R 04hZphASZH5CGVp+4X4VjF4tPKk9lDqfOqtDuoLFHc04rCOwTEDuq5MIK9fqcutkttWWSP fd3BTwRKX5RT5Trkf41JH+fuW2nEQH6zbTZicOQTNso0MihxDMQ/dlZehLHC6ZCPdu5Xkh Y2VbCqsIwO7iJZPzbj1cWjHkGQi9T4jeEohsgBFDiPkDUMlGxjKmHT7uw13hgFiFO0ik1O 01fXB9T1+6JXynMuFBm0cq6Lpuee/bSu3v/T81NmYOSerwB3e2mV2oy2Tn9RPw== X-Migadu-Scanner: scn1.migadu.com Authentication-Results: aspmx1.migadu.com; dkim=fail ("headers rsa verify failed") header.d=tsdye.online header.s=default header.b=bPBVeLee; 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: 2.62 X-Spam-Score: 2.62 X-Migadu-Queue-Id: 14DA7538B X-TUID: pvhAtc5mgCKy Aloha Eric, "Fraga, Eric" <e.fraga@ucl.ac.uk> writes: > On Thursday, 26 Jan 2023 at 15:24, Ihor Radchenko wrote: >> "The Moon=E2=80=99s gravitational pull is weaker than Earth=E2=80=99s, m= eaning=20 >> that, to >> an observer on Earth, a lunar clock would run faster than an=20 >> Earth one. >> Gramling estimates that a lunar clock would gain about 56=20 >> microseconds >> over 24 hours" (how will it affect Org's timestamps? should we=20 >> do >> anything about it?) > > Well, it would take a little over 120 years for this difference=20 > to affect an org time stamp (given resolution to the minute as=20 > used by org)... > > I love what I'm learning about time zones etc. in this=20 > discussion thread! Then I can recommend Carlo Rovelli's The Order of Time. All the best, Tom --=20 Thomas S. Dye https://tsdye.online/tsdye