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.
86
questions
0
votes
1answer
34 views
parse-time-string: doesn't accept ISO 8601 string contrary to what the documentation claim
The documentation suggests that parse-time-string can be fed ISO 8601 string, such as "1998-09-12T12:21:54-0200". However, (parse-time-string "1998-09-12T12:21:54-0200") returns (...
0
votes
0answers
34 views
Setting (setq system-time-locale “C”) in daemon ineffective
I try to set the time locale to "C" in my config via (setq system-time-locale "C"). However, when using the emacs --daemon, it is not set properly and I end up with non-english ...
1
vote
0answers
46 views
Get current time zone in IANA time zone format (a.k.a. Olson format)?
I know that current-time-zone can be called to obtain the current time zone. On my system, this returns (-25200 "PDT"). However, I would like to get the current time zone in IANA format, ...
0
votes
1answer
34 views
Calculating pace
I'm using org-mode tables to record workouts and would like to calculate the pace I achieve on runs/cycling. I've read the org spreadsheets introduction and found a thread about calculating units but ...
1
vote
1answer
77 views
How to insert the current date into a file using abbrev or similar?
I'd like to replicate something in emacs that I do in AutoHotkey all the time:
type td
have that string be replaced with the current date
I'm trying to do this with Emacs abbrevs but I'm running ...
2
votes
1answer
211 views
How remove active date from a dynamic block using columnview
This post explains how you can setup dynamic blocks to create tables based on meeting minutes.
In short, you can extract the TODOs of the minutes and put them in a table of actions like so:
* ...
1
vote
1answer
85 views
Org (and org-capture) uses English for calendar dates, no matter what I do
The problem:
When I use org-capture to write on my journal, it writes the month as April and the day as Friday. But everything in my system is in Portuguese, so it should be "abril" for the month, ...
3
votes
2answers
77 views
Check whether a string is a date in a specific format, e.g. “%Y-%m-%d”
I have a string and would like to check whether it contains a date in a given date format, e.g. "%Y-%m-%d", with format as for format-time-string. This is for a package and users can configure the ...
2
votes
1answer
50 views
Hide org-table rows outside certain date ranges?
Excel tables lets us show just the rows that have "July 2018" in a specific column, and hide the rest. Or to show "21st August 2017-30th August 2017, and also July 2018, and also all of 2019", and ...
4
votes
4answers
210 views
Insert an arbitrary timestamp
C-c . could insert the timestamp of the current date and C-u C-c . insert the current datetime.
I find it very difficult to insert an arbitrary datetime.
Operations over Calendar are invalid since ...
0
votes
0answers
66 views
Time-formatted output from org-table date- and time calculation?
I have an org-table for my timesheets. Part of it looks this:
| Start | End | End - Start |
| <2020-03-05 10:00> | <2020-03-05 Thu 14:30> | 0.1875 |
#+...
0
votes
2answers
75 views
org-capture scheduled for next Tuesday (or Friday)
I'd like to create a capture template that automatically schedules the date for the upcoming Friday (if today is a Tuesday, Wednesday, Thursday) or for the upcoming Tuesday (if today is a Friday, ...
0
votes
1answer
25 views
Insert inactive date with elisp function including date arithmetic
For a capture template I want to insert inactive dates for the upcoming week (without a prompt). In this format (no time component):
[2020-02-10 Mo]
I've figured out that I could do something like ...
3
votes
2answers
169 views
Apply different function to each element in list?
I have a time-stamp of a video formatted as "00:00:00,000" such that "%H:%M:%s,%3N".
I am want to eventually use this timestamp as part of an in-interval-p function where I take two timestamps and a ...
4
votes
2answers
118 views
Easily update dates for a recurrent set of TODOs in org mode
Every semester I teach the same course and for every semester there are several TODOs that should, at least initially, have the same dates relative to the starting date (i.e. the first day of class). ...
3
votes
1answer
248 views
org column view with date calculations
* TODO fix this bug asap
:PROPERTIES:
:UPDATE: writing test cases almost there!
:LASTUPDATED: 2019-11-25
:DEADLINE: 2019-11-30
:END:
* TODO update that documentation
:PROPERTIES:
:UPDATE: updating my ...
1
vote
0answers
38 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
86 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 ...
3
votes
2answers
186 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
45 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 ...
1
vote
2answers
39 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
45 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
55 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
18 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 ...
2
votes
2answers
359 views
Table formula for dates delta
Here my org table:
| | Start date | End date | State | Duration |
|---+------------------------+------------------------+-------+----------|
| # | <2019-01-02 Wed 10:...
0
votes
1answer
76 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
207 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
153 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
79 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
76 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
135 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
30 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
63 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
233 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
111 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
105 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
955 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 "...
3
votes
1answer
146 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
134 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
96 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
54 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
101 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
296 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 ...
5
votes
1answer
543 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
172 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
92 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
102 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
310 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
402 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
121 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/...
