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By default, the time in AM/PM style is shown, I would like to have the same that ls gives:

2013-01-09 01:12

That is 24 hours and ISO 8601. How can I do this?

I am aware of the following question. Maybe that question was too general to be answered: How do I change to ISO 8601 date format?

I tried the following:

  1. I click on the actual clock-display and I get a calendar. In that calendar I read "Time & Date Settings.." - so I click on it: No effect. No nothing.

  2. I right-click on the clock-display but I get the same calendar like when left-clicking on it.

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1 Answer

up vote 1 down vote accepted

There's no easy way to do it in the GUI. You can either use dconf-editor (which is GUI-ish, and edit two keys in com->canonical->indicator->datetime (time-format to custom, and custom-time-format to the desired strftime directives, in thy case %F %R (or, equivalently, %Y-%m-%d %H:%M)), or you can do it direct from the terminal with the following two commands:

dconf write /com/canonical/indicator/datetime/time-format "'custom'"
dconf write /com/canonical/indicator/datetime/custom-time-format "'%F %R'"

Note that the doubled quotes are necessary due to dconf's idiosyncracies. Note also that to include seconds, one can replace %R with %T.

(I do not recall which release it was that started including the dconf tools by default, so if they are unavailable, simply install the dconf-tools package and proceed)

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I see com.canonical.indicator.datetime in the dconf-editor, but there are no values to set. dconf also had no effect. I tried logging out. Maybe I have to place these lines somewhere? Prior to starting X ? –  false Jan 9 '13 at 3:07
    
Hmm, that's odd. They show up for me, and the dconf commands take effect immediately, too. Which release art using? –  Darael Jan 9 '13 at 18:25
    
It could be 11.10 related. I currently upgrade to 12.04. Will come back. –  false Jan 9 '13 at 18:27
    
Ah. I seem to recall there was some slightly odd interaction between gconf and dconf in Oneiric, although I could be wrong. The methods I suggested work for me in both Precise and Quantal, though I haven't an Oneiric machine to hand with which to test. –  Darael Jan 9 '13 at 18:30
    
! really works in 12.04! Thank you! –  false Jan 14 '13 at 0:04
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