But I'm talking about:
(":mean" . org-columns--summary-mean-time)
not  ("@mean" . org-columns--summary-mean-age).

So this is the right function (":mean" . org-columns--summary-mean-time)?
Or do I need to write a new one?

On Sat, Oct 14, 2023 at 9:19 PM Ihor Radchenko <yantar92@posteo.net> wrote:

> Sławomir Grochowski <slawomir.grochowski@gmail.com> writes:
>
> > In ex. I want to have an average time when I go to bed.
> > So on Monday I went to bed at 22:00 and on Tuesday at 02:00.
> > So the average time would be midnight 00:00.
> > But it returns 12:00 which is noon.
>
> As I said, it is because it does not calculate an average time of the
> day, but an average duration:
>
>      ‘@mean’    Arithmetic mean of ages (in days/hours/mins/seconds).
>
> You can customize `org-columns-summary-types' to have a column summary
> you need for your purposes.
>
> --
> Ihor Radchenko // yantar92,
> Org mode contributor,
> Learn more about Org mode at <https://orgmode.org/>.
> Support Org development at <https://liberapay.com/org-mode>,
> or support my work at <https://liberapay.com/yantar92>
>