With C-c C-x C-i and C-c C-x C-o we can get measurements on how much time we spend on tasks:

CLOCK: [2016-11-21 Mon 22:50]--[2016-11-21 Mon 22:57] =>  0:07
CLOCK: [2016-11-21 Mon 22:30]--[2016-11-21 Mon 22:30] =>  0:00

But the smallest unit is a minute. How can we get measurements in seconds?

  • May I ask, why is your interest in seconds? Because tasks are seldom tracked to the seconds resolution
    – Prasanna
    Nov 22, 2016 at 9:35
  • @Prasanna Actually, JIRA does allow doing that.
    – wasamasa
    Nov 22, 2016 at 20:26
  • 2
    @Prasana, yes. It is for presentation tracking. sometimes you have only 15 minutes to present a talk and in those cases it is interesting to track to the second level. I split the presentation points into individual org-bullets and track that.
    – ninrod
    Nov 22, 2016 at 21:23

1 Answer 1


You might consider using org-timer instead. For example, you can use M-x org-timer-item RET to start a bulleted list with a timestamp, and M-RET to create new timestamped items afterwards. M-x org-timer RET (C-c C-x .) inserts a relative time with seconds.

  • I didn't know this feature. Thanks! It might be better, for SO answer, to clearly state that the current org-mode does not support second in org-clock. Nov 29, 2016 at 6:35
  • @Sacha Chua, thank you. If I understand correctly, C-c C-x . inserts a timestamp text in whatever bullet point is in, right? after that, you create bullets as you normally would, and then you can C-c C-x . again on selected bullets that you want to relative imestamp. right? Initially I thought that by just hitting M-RET I would get a new bullet already with a timestamp on, but that is not the case. Or is it? (maybe I'm doing something wrong)
    – ninrod
    Nov 30, 2016 at 15:57
  • I see now, so C-c C-x - inserts a - item and M-RET inserts another - item but with the timestamp already inserted for you. Thank you Sacha, that should seal the deal.
    – ninrod
    Nov 30, 2016 at 16:03

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