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.
71
questions
1
vote
0answers
23 views
Sorting org files in Emacs Dired on the basis of the org time stamp in the file itself
Is there a way of sorting org files (.org) in Emacs Dired on the basis of the org time stamp in the file itself. With every org file I create, I insert an org time stamp near the top of the file. This ...
1
vote
1answer
37 views
Customising the increments in an org-mode timestamp
When I create an appointment in org-agenda I make use of timestamps. The item is created with today's date and time and I then place my cursor on the date and time respectively and use S-up or S-down ...
2
votes
2answers
36 views
How to set schedule and deadline for entires being inserted via org-capture template file?
I'm trying to leverage the power of org capture templates. There are a few tasks I know I will be scheduling on particular dates of the month.
Setting their schedule and deadline in the capture ...
0
votes
1answer
39 views
Programmatic way of calculating end of week/month/year
I'm trying to build functions that help me execute frequent sparse tree queries, using org-match-sparse-tree nil "<some_query>" in my code.
Some of these queries need to contain constraints ...
0
votes
0answers
26 views
Excorporate using different date style/format
I am currently configuring excorporate as described in this post and stumbled upon a small issue.
Basically, I use my calendar in a european style format, where dates are written as
20 Feb 2019 ...
0
votes
0answers
9 views
how to preserve org timestamp with duration on export
I have a timestamp like this in my .org file, which is a valid timestamp (i.e. generates agenda views when clicked):
<2019-05-20 Mon 09:00-11:30>
Note the duration (09:00-11:30) rather than a ...
1
vote
2answers
21 views
How to interpret buffer-display-time values?
I am trying to use buffer-display-time var, in order to come with a solution for this question.
Having a look at the documentation, I get this:
buffer-display-time is a variable defined in ‘buffer.c’...
1
vote
1answer
32 views
Let org-timestamp-up/down work on non-timestamp
So in org-mode, shift-up and shift-down works on timestamps. Is there a way to let it work on arbitrary dates in the text that is not a timestamp? For example if I write
The date is 2019-01-01.
...
0
votes
1answer
53 views
test if a file has been updated within the current day
As I consume a lot of drugs, I created an org-mode file that updates the status of my stock every day.
It is done at the start of Emacs and it slows down significantly.
As I sometimes run Emacs on a ...
0
votes
1answer
16 views
Additionally factor like 0.33 mail after enable to display time in linemode
I enabled time-show on the line-mode following the instruction of EmacsWiki: Display Time
(display-time-mode 1)
The single line was appended and it take effects but has side outputs
Additionally ...
0
votes
1answer
60 views
Convert durations to start times
Problem
I have some org-mode tables with a column containing the duration (or length) of musical tracks:
|---+---------------------------------+-----------------------------------+----------|
| # | ...
1
vote
1answer
128 views
Determining the string formats for datetime-timezone
When loading a .log file I get the message
Warning (emacs): Failed to determine system timezone; consider customizing ‘datetime-timezone’ variable
Going to the customization menu, the options are ...
0
votes
2answers
77 views
elisp timedelta output format
When try to print timedelta as below:
#+BEGIN_SRC elisp :results output
(print (time-subtract
(parse-time-string "2018-10-20 08:50:36.343")
(parse-time-string "2018-10-20 08:47:43.029")))
#+...
1
vote
0answers
63 views
Strategy for using Emacs as an event log?
I'd like to be able to use Emacs to track various events in my day-to-day life, such as paying a bill, going to an appointment, replacing oil, etc. The goal would be to be able to view this event in ...
1
vote
1answer
54 views
How to make implicit link target from timestamp in org-mode?
In org-mode I usually create several notes with timestamps under a headline, for example:
* idea
[2018-09-26 Wed 09:39] \\
General description of idea.
** idea development
[2018-09-26 Wed 09:...
2
votes
1answer
98 views
How to add a time and a time interval in calc-mode?
How do I use calc to add a time interval to a moment in time (i.e., a date, or a time)?
For instance, say I want to know what the time and day will be 8,000 minutes into the future?
I know that t N ...
1
vote
0answers
23 views
Logbook clock entries as active/inactive time stamps in icalendar export
Is there a way to automatically have active/inactive timestamps updated in the body of the org node? My final goal is to have the clock entries included as events in icalendar export. Alternatively ...
2
votes
0answers
46 views
Twilight times in addition to sunrise/sunset?
The sunrise-sunset function from solar.el computes sunrise and sunset. I would also like to have a function that computes the end/beginning of
civil twilight (center of sun 6 deg below horizon)
...
3
votes
2answers
113 views
Convert between ISO week and a normal date
How can you convert between ISO year-week-day and an elisp date that can be sent to, e.g., format-time-string? I do not want to go via a string representation.
I found the following old question on ...
2
votes
1answer
86 views
How to retrieve the date under the cursor in emacs calendar as the format day.month.year like 15.07.2018
Is there a way to retrieve the date under the cursor in emacs calendar as the format day.month.year like 05.07.2018 as a clipboard content?
1
vote
1answer
68 views
What is the reason for this erratic behavior in `time-subtract`?
I am attempting to calculate some time differences in org time strings using time-subtract.
(time-subtract (org-parse-time-string "2018-04-16 Mon 14:00")
(org-parse-time-string "2018-...
4
votes
2answers
518 views
Convert Unix time to Org-mode timestamp
How can I convert a Unix time to an Org-mode local timestamp?
For example (convert 1523473110) should return <2018-04-11 Wed 15:58:30>.
I found org-timestamp--to-internal-time, but that uses "...
2
votes
1answer
109 views
How do I interconvert Calc's HMS forms and seconds?
Is there a built-in way to convert/toggle between GNU Emacs Calc's HMS forms and seconds? I'd also like to easily be able to add numbers as seconds and/or minutes to an existing HMS form.
1
vote
1answer
109 views
Convert a timestamp to local time
I have a timestamp string "2011-01-23T16:18:46-08:00" and I want to convert it to my local time zone.
(format-time-string
"%Y-%m-%dT%H:%M:%S%z"
(decode-time (parse-iso8601-time-string "...
0
votes
0answers
73 views
Human-readable time interval function for Elfeed
Is there some built-in or third-party function I can use for the following?
The function
(elfeed-entry-date entry)
returns the timestamp for an RSS feed entry, e.g. 1518282912.0.
I would like to ...
2
votes
0answers
46 views
Org-mode adding statistic cookie to date-tree lines in capture
In this video(timestamped to relevant section), I see this guy's org file in a date-tree with the [/] statistic cookie next to each YYYY-MM-DD headline.
https://youtu.be/-2RXhPV_zgc?t=12m51s
I'd ...
0
votes
1answer
89 views
Count down timer whenever file is opened
C-C C-x ; can start count down timer. But I want to start the timer whenever I open any org file. I want to set it default for 10 minute. Kindly help
7
votes
1answer
224 views
Increment days / months / dates, etc. within buffer
In a text document, while editing, I often need to increment/ decrement calendar data. So, Friday will need to become Monday, December will need to become March, etc.
Or 28 Apr after adding 5 will ...
4
votes
1answer
381 views
Change date from active to inactive
I want to change an active date <2017-12-10 17:04> to inactive date [2017-12-10 17:04] and vice versa.
How do I do that?
3
votes
0answers
124 views
How to get the (localized) day of the week lowercased in time-stamp-format?
The %:a allows to get the full weekday in the Time-stamp. My system-time-locale is fr_FR.UTF-8. I am using the Time-stamp in a Markdown file, inside a pandoc title block, which I export to html, so I ...
0
votes
2answers
83 views
Problem inserting timestamps when the year is far removed from the current date
I am editing an old text file that has each entry preceded by a date = 11/23/1983. I would like to reformat this date to a org timestamp. Using the various methods specified in the documentation is ...
1
vote
3answers
83 views
How can I convert a list of integers to a string?
Let's say I have a list of integers, representing year, month, day for a date:
(2017 8 21)
and I want to format the list in one function call, as in
(format "%04d-%02d-%02d" 2017 8 21)
Is there an ...
0
votes
1answer
241 views
What's the inverse of (format-time-string “%s”)?
Parsing formatted time string (inverse of format-time-string) asks for a complete inverse of format-time-string with the ability to specify the source format, but I really just need to get from a UNIX ...
1
vote
1answer
269 views
In elisp, how can I calculate the number of days remaining until a given date?
I feel like elisp (or org-mode) must have something like (days-until '2018-01-01) which would calculate the days between today and 2018-01-01. How would I go about implementing that?
1
vote
0answers
97 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/...
1
vote
0answers
424 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 ...
0
votes
1answer
206 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
votes
1answer
289 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 ...
6
votes
2answers
956 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:
**...
1
vote
0answers
668 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%...
1
vote
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 ...
7
votes
2answers
787 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
votes
2answers
863 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
votes
2answers
470 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
votes
2answers
733 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
votes
1answer
311 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
votes
1answer
139 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
votes
1answer
61 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 ...
1
vote
2answers
159 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
vote
1answer
574 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-...
