From: Nick Dokos <ndokos@gmail.com>
To: emacs-orgmode@gnu.org
Subject: Re: calculate weekday of birthday
Date: Mon, 31 Jul 2017 18:26:36 -0400 [thread overview]
Message-ID: <87shhctf8j.fsf@alphaville.usersys.redhat.com> (raw)
In-Reply-To: 87379ciwfn.fsf@luna
Salome Soedergran <salome.soedergran@gmx.ch> writes:
> Hi everybody
>
> How can I make orgmode to give me the weekday of a specific date?
> I have a list (org-table) with students' names and dates of birth that looks like this:
> |------+-----------+------+-------+-----+-----+---------|
> | Name | Firstname | year | month | day | age | weekday |
> |------+-----------+------+-------+-----+-----+---------|
> | Doe | John | 2001 | 05 | 21 | 16 | |
> |------+-----------+------+-------+-----+-----+---------|
>
> #+TBLFM: @2$8..@>$6='(+ (- 2017 $5) (if(> $4 7) 0 1));L::
>
> I have a formula to make orgtable calculate the age the student
> reaches in the current academic year (Aug-July) but I don't know how
> to get the birthday's weekday in the current year. Can anybody help
> me? Thanks a lot in advance!
>
> Best, Salome
>
>
,----
| org-day-of-week is a compiled Lisp function in
| ‘../org-mode/lisp/org-clock.el’.
|
| (org-day-of-week DAY MONTH YEAR)
|
| Returns the day of the week as an integer.
`----
You'll have to translate that into a name:
0 = Sunday
...
6 = Saturday
I believe.
--
Nick
prev parent reply other threads:[~2017-07-31 22:27 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-07-31 13:10 calculate weekday of birthday Salome Soedergran
2017-07-31 22:24 ` Adam Porter
2017-07-31 22:26 ` Nick Dokos [this message]
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