Questions tagged [time-date]

is for time of day, handling date and time formats, interfacing with the operating system for date and time values, converting time zones, and calculating date and time arithmetic.

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118 views

Can Ibuffer show buffers last viewing time?

I was wondering if it is possible to have a column in Ibuffer that shows the last viewing time. In the default view I can see these columns: MR Name Size Mode Filename/...
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0answers
493 views

mode line time not updating

I'm using powerline for my modeline and I have placed a clock within the modeline. This clock is only updating when I'm within that buffer, if I have another buffer up the clock freezes until that ...
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1answer
280 views

I cannot manually edit date fields before closing bracket in org-mode buffer

I am aware of the syntax for creating repeated tasks in org-mode, but for some reason I am now unable to manually edit the text of the "Scheduled" and "Deadline" date fields to do this, unless I do ...
2
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1answer
326 views

Is there a view that can show time entered per day?

Basically I am after a method to find missing times. Currently I use this code to view times per task. #+BEGIN: clocktable :link t :maxlevel 10 :block week :scope file But I can not view if i am ...
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2answers
1k views

Multiple Scheduled Timestamps for One Task

Suppose I want to be reminded to water my plants on Monday, Wednesday, and Friday, AND on any of the following days, if for some reason I miss the scheduled days. I originally tried the following: **...
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0answers
734 views

Insert Current Date and Time with Custom Timestamp

I am trying to get org-mode to insert a custom timestamp with the current time. Something along these lines: 20160824 34|3 163000 (UTC) Which I believe should be the following: ("%Y%m%d %W|%u %H%M%...
2
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1answer
1k views

Current time timestamp in org-capture-templates

In org-mode org-capture templates, what is the way to insert current time timestamp? I've tried %U like so: (setq org-capture-templates (quote ( ("k" "Capture an item and schedule it for ...
8
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2answers
991 views

Counting the number of days that have passed since a certain date

I have an org-mode document in which I wish to keep track of the number of days that have passed since a certain date. Is there a built in function for this, or will I be forced to write a custom ...
2
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2answers
1k views

Show sum of efforts for a day in Org-Agenda day title

I would like to show sum of efforts for all tasks for a day in Org-Agenda day title. E.g. for a week agenda there would be 7 sums for each of the day, in their respective titles. I think this could ...
4
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2answers
559 views

Get time in AM/PM format

(format-time-string "%p") is empty in my Emacs. How I can format date in AM/PM format? That answer second part of Show time in different time zones UPDATE (length (format-time-string "%p")) ; is 0 ...
3
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2answers
889 views

Show time in different time zones

I take a lot of different MOOC and each class declare own deadline relative to some time zone. Are there any Emacs mode that show date/time in buffer for several selected time zones in same time? I ...
2
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1answer
398 views

org-mode timestamp repeater interval manipulation

What are (if any) the lisp functions to read and write the repeater interval part of the org-mode timestamps? (The ones at the end of the timestamp string, which are optional, e.g. +1w or +6d in <...
2
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1answer
148 views

Is it possible to change and freeze the current date-time in Emacs?

I'm a heavy Emacs Org-mode user and VERY dependent on the date functionality. I frequently enter events, receipts, etc. using capture templates after they've already occurred. My current solution is ...
3
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1answer
69 views

Column of programmatically updated dates in org-mode

I'm trying to make a table in org-mode, the first column of which should be the Monday of each week starting with a date I specify. So, for example, if I specify Dec 14th, I would get a column with ...
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2answers
188 views

How do I pick a date in my new major mode?

I want to insert a date in the current buffer. I know the function calendar-cursor-to-date that when invoked gives back the date at which the cursor is. But how do I get that info back into my ...
1
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1answer
646 views

Convert org-time-stamp

I need a function that can determine whether an org-time-stamp in a table equals the current date. Example: #+NAME: test | date | breakfast | |------------------+-----------| | <2015-...
1
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1answer
89 views

Alternative to “Time-stamp: <…>” [closed]

I seem to remember from several years ago, an alternative and better package and/or command to "Time-stamp: <...>". I can't seem to find it now. Does anyone know of this? I want to use this in C ...
2
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1answer
843 views

in yasnippet, how to insert variable date with fixed time of day?

I want a yasnippet to insert an org-mode date and time. The date should be today's date, but the time should be fixed. So far my snippet correctly inserts today's date, but not the time: # -*- ...
2
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1answer
69 views

Query org agenda build time?

Q: how can I get the last time I built the org agenda buffer? I've set an idle timer to rebuild my org agenda buffer every x minutes. It works fine, but it's inefficient to rebuild if the agenda ...
4
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1answer
407 views

Display months/days or timestamps in another language than English

Setup: GUI version GNU Emacs 25.0.50.1 (x86_64-w64-mingw32) of 2015-07-25 on KAEL compiled from EmacsW64. Windows 7 x64 Dutch version. Situation: When I'm evaluating the following snippet: (...
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1answer
159 views

how to detect selection in date mode?

I want to write a mode for ledger. The first thing I want to do is to be able to insert date stamps. There is a very nice mode in Emacs called calendar. I want to be able to select a date within it. ...
10
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1answer
1k views

Specify timezone in Org date format

When I write something like this: <2015-07-05 Sun 20:00 GMT+0>, and then try to edit it by pressing C-c ., Org removes the GMT+0 part. So, I think it's in a wrong format. Note: I don't want to ...
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2answers
671 views

Yasnippet invoked org-time-stamp function inserts double timestamp

I created a yasnippet template to quickly timestamp a note I'd like to make in org-mode. The body of the yasnippet file reads $0 :PROPERTIES: :CREATED: `(org-insert-time-stamp nil t t)` :END: ...
4
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2answers
832 views

Converting plain text to dates

Is it possible to convert plain text dates to Org dates automatically? I have entries in the format: 16 February 2015 which I would like to convert to Org dates: <2015-02-16 Mon>
4
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2answers
965 views

How to insert inactive [timestamp] via function?

C-u C-c ! generates a time stamp like [2015-05-04 Mon 17:13] I would like to assign a shortcut (e.g F1) to this action. So far I have: (defun my/timenow (&optional arg) (interactive) (let (...
2
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1answer
631 views

Compare file modification time stamps

Background I am using Emacsclient to open files in a Emacs server. The server configuration depends on the content of a JSON configuration file. A Perl script can read the config file and write a ...
10
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2answers
1k views

Parsing formatted time string (inverse of format-time-string)

The format-time-string function takes a time argument like '(21761 64499 350937 0) and a format string like "%y-%m-%d %a %H:%M" and returns something like "15-03-12 Thu 16:49". What is the inverse ...
2
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1answer
103 views

meta-data related to the current buffer

How can I retrieve the date/time of the creation of the current file (file-date-time-of-creation) on my system? The same question can arise for the size. A related question was asked here. This is a ...
22
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2answers
975 views

Is there a mode to automatically update copyright years in files?

Usually around this time of year people start to realize that their copyright year is out of date in their files. This is particularly annoying if you like to put the copyright in every source file. I ...
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2answers
336 views

The time of the last change of the current buffer

Can Emacs determine the time of the last change (or the last edit) done to the current buffer? The buffer may has been saved or not.
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2answers
107 views

unable to restart or update a timer

I have simple timer which makes sure a function is executed for every 10 seconds. (setq interval 10) (defun run-every-ten-seconds () (do-something)) (defun start-timer () (setq timer (run-...
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1answer
636 views

How to display date in Julian in the mode line?

The following setting display the date in Gregorian calendar in the mode line. (setq display-time-day-and-date t) (display-time) My question is how to change the above settings for date to be shown ...
8
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3answers
4k views

in org-mode, how to insert timestamp with today's date?

In a Lisp function, how do I instruct org to automatically insert a timestamp with today's date? I found the function org-insert-time-stamp, but I don't know how to provide an argument for it that ...
4
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1answer
3k views

How to display time in seconds in the mode line?

By default display-time-mode shows the time only in minutes. How I can display time in seconds? Something like 18:34:45".
2
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1answer
194 views

Invalid date: 01-Jan-2055

I recently downloaded Emacs 24.4 and sometimes I see an "invalid date" error in my buffer. When I am in eww, often I try to click (RET) a link and I get: error in process sentinel: Invalid date: 01-...
8
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2answers
1k views

How can I change Org-mode time format for one buffer?

In general all timestamps in Org-mode appears as [YYYY-MM-DD Day]. I have one file (buffer) where I would like the format to be different. Either just [YYYY-MM-DD] or [YYYY-MM]. How do I tell Org-mode ...
6
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2answers
844 views

Elisp function to see a date for next Wednesday

Admitting up front that I am not capable of much Lisp, I have found ways to produce the current date or a number of seconds from a date, but I am looking for a simple equivalent to shell command like ...

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