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.
82
questions
1
vote
1answer
35 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
55 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
34 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
159 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
31 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
57 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
18 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
163 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
115 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). ...
2
votes
1answer
138 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
33 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
60 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
95 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
43 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
32 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
12 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
30 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
35 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
54 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
2answers
255 views
Table formula for dates delta
Here my org table:
| | Start date | End date | State | Duration |
|---+------------------------+------------------------+-------+----------|
| # | <2019-01-02 Wed 10:...
0
votes
1answer
63 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
168 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
109 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
73 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
67 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
112 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
27 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
55 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
161 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
97 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
80 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
711 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
128 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
118 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
87 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
52 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
94 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
244 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
461 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
145 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
86 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
94 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
276 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
329 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
110 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
461 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
247 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
308 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
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:
**...
