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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.

6
votes
1answer
849 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 ...
9
votes
2answers
728 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 ...
7
votes
3answers
3k 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 ...
6
votes
2answers
650 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 ...
6
votes
2answers
813 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: **...
4
votes
1answer
289 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?
4
votes
2answers
622 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
59 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
2answers
139 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
2answers
238 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.
0
votes
1answer
62 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
0
votes
1answer
122 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. ...