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Mon, 17 Feb 2025 03:08:11 -0800 (PST) Received: from [192.168.1.105] ([159.196.132.61]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-73242546182sm7732623b3a.32.2025.02.17.03.08.09 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 17 Feb 2025 03:08:11 -0800 (PST) Message-ID: <5e55afa5-d714-409e-867e-cae8f27b7d9a@gmail.com> Date: Mon, 17 Feb 2025 19:08:07 +0800 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird To: emacs-orgmode@gnu.org Content-Language: en-US From: Zoey Hewll Subject: [FR] org-read-date-style Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::62e; envelope-from=zoeyhewll@gmail.com; helo=mail-pl1-x62e.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 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, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, 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-Flow: FLOW_IN X-Migadu-Country: US X-Migadu-Spam-Score: -7.77 X-Spam-Score: -7.77 X-Migadu-Queue-Id: 82CA9804FC X-Migadu-Scanner: mx10.migadu.com X-TUID: 04D6XgwIAX8X Hi all, I have a feature request pertaining to date parsing in the date-time entry prompt (=C-.=). * Motivation The prevailing date format where I live is D/M/Y, often abbreviated to D/M. While I prefer Y-M-D as a persistent storage format, I naturally default to D/M and prefer it for data entry. Especially when entering recent dates (with =org-read-date-prefer-future= set to nil), which usually do not require the year component and therefore the unambiguous ISO 8601 format (Y-M-D) is slower to input in full, and does not match the locally conventional order (D/M) when abbreviated (M-D). * Proposal The =org-read-date= function understands slash-separated dates in the "american" format (M/D/Y and M/D). This code could be modified so that the parsing of slash-separated dates depends on user preference, by introducing a configuration variable like =calendar-date-style=, which I'm tentatively naming =org-read-date-style=. Like =calendar-date-style=, this would change the parsing of slash-separated dates by =org-read-date=, but it would not change the order of arguments passed to date-processing functions. It would support at least =american= (M/D and M/D/Y) and =european= (D/M and D/M/Y) options. * Example By default, =org-read-date-style= would be =american=, and so the date "12/3" entered at the =C-.= prompt would be interpreted as December 3rd. If =org-read-date-style= were set to =european=, the same date input "12/3" would be interpreted as the 12th of March. * Alternatives and Extensions - =org-read-date= could simply read the value of =calendar-date-style= rather than introducing a new configuration item. I propose a new item because of the well-documented pitfalls of =calendar-date-style=. - There could be an option to entirely forbid dates in slash-separated formats, if the user wishes to avoid the possibility of this kind of misinterpretation. I have not proposed this as I have no use for it. - This could simply be left to each user's own configuration (i.e. patching the org-mode code on a per-user basis). I suspect this feature would help other org-mode users who habitually use D/M/Y. (side-note: I have not attached a patch as I am yet to complete the copyright assignment, but I thought the feature was worthwhile to request regardless.) * Prior Discussion I did a quick search over the archives to see if this had been proposed before, but the closest I could see to this request was [[https://list.orgmode.org/20130129193653.6460d3b5@hsdev.com/][Date/time prompt  parses '3-2' as 'Month-Day', can I configure it to parse it as 'Day-Month' ?]], which does not address slash-separated dates, and [[https://list.orgmode.org/876322hcps.wl%25ded-law@ddoherty.net/][Date Prompt Bug (or Anomoly)]] which covers the same code but doesn't address intentionally entering D/M/Y dates. Regards, Zoey