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I'm using Ubuntu 14.04 an my machine and since the last upgrade from 13.10 to 14.04 the date&time is missing in the top panel of Unity. This machine was originally installed with Ubuntu 12.10. I upgraded it from 12.10→13.04, from 13.04→13.10 and last week from 13.10→14.04.

I tried every solution found in this question: Missing date & time from top panel of Unity Desktop. But nothing of all this works :-(

I tried the following things:

  • reinstalling indicator-datetime
  • sudo apt-get remove --purge indicator-datetime and install it again
  • sudo dpkg-reconfigure --frontend noninteractive tzdata
  • sudo killall unity-panel-service

and of course log out/log in again and so on...

Where can I find log files for the indicator or where could help me otherwise with this problem?

Trying to debug:

$ locate indicator-datetime-service
$ /usr/lib/x86_64-linux-gnu/indicator-datetime/indicator-datetime-service
Indicator-Datetime-Message: indicator-datetime exiting; failed/lost bus ownership
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locate indicator-datetime-service to find where it is installed then run it in terminal. Report if there any error message. –  Sneetsher Apr 30 '14 at 18:31
@Sneetsher $ locate indicator-datetime-service /usr/lib/x86_64-linux-gnu/indicator-datetime/indicator-datetime-service $ /usr/lib/x86_64-linux-gnu/indicator-datetime/indicator-datetime-service Indicator-Datetime-Message: indicator-datetime exiting; failed/lost bus ownership $ sudo /usr/lib/x86_64-linux-gnu/indicator-datetime/indicator-datetime-service no error output, when running indicator-datetime-service with sudo –  Bernd May 5 '14 at 8:43
failed/lost bus ownership means it was running already. –  Sneetsher May 5 '14 at 10:40
try reseting its configuration dconf reset -f /com/canonical/indicator/datetime/ . didn't work try pkill -f datetime then /usr/lib/x86_64-linux-gnu/indicator-datetime/indicator-datetime-service –  Sneetsher May 5 '14 at 10:49
dconf reset -f /com/canonical/indicator/datetime/ worked and it shows the time again. But I think I found a bug and I think I know what causes the issue. Are there any logs for the datetime-indicator to verify my assumption? –  Bernd May 6 '14 at 6:49

4 Answers 4

Try reseting its configuration

dconf reset -f /com/canonical/indicator/datetime/ 

If it didn't show up try kill it, it should restart

pkill -f datetime

For similar cases, better to explain how you may get it:

  1. Check if it is running, if yes then possibly a configuration problem

    $ ps ax | grep -i indicator-datetime
     2863 ?        Ssl    0:00 /usr/lib/x86_64-linux-gnu/indicator-datetime/indicator-datetime-service
     4043 pts/0    S+     0:00 grep -i indicator-datetime
  2. Check for where is its configuration. Look for /etc/ or dconf in /usr/share/glib-2.0/schemas/. List package files using:

    $ dpkg -L indicator-datetime
  3. Locate its dconf path:

    $ grep path /usr/share/glib-2.0/schemas/com.canonical.indicator.datetime.gschema.xml
        <schema id="com.canonical.indicator.datetime" path="/com/canonical/indicator/datetime/" gettext-domain="indicator-datetime">
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the dconf reset did it for me, thx –  Nicky De Maeyer Jun 3 '14 at 10:20
I had the same problem after resetting 14.04 and your "dconf reset" did it for me, thanks +1 –  Duchamp Gérard H. E. Nov 12 '14 at 21:29
dconf didn't help, but pkill did the trick for me. –  Lambart Feb 17 at 18:09
Thanks the dconf reset worked, i didn't even need to kill the datetime process –  danidee Jul 18 at 23:28
dconf didn't work for me but pkill did on my Ubuntu 14.04 –  Champ 2 days ago

I had exactly the same problem, which that some Language Support libraries are missing.

If you go to:

SettingsLanguage Support

The system will automatically update the regional formats and the time and date will be back after you log out and in.

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Tried, but there was no missing language support –  Bernd May 5 '14 at 8:45
Actually, weird as it sounds, I can confirm this solution. Apparently starting the langauge support panel, some broken libs are indeed (i guess not downloaded but) reenabled. Therefore a +1 –  matv1 Aug 30 '14 at 22:42

Under System Settings, open Time & Date. Choose the Clock tab to the right of the Time & Date tab. Check Show a clock in the menu bar.

Under In the clock, show, select Weekday, Date and Month, Year or whichever of those you want.

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The clock tab is greyed out for me - I can't edit the settings there.... –  Steve Kroon Apr 18 at 9:08

14.04 LTS: The clock shows, but disappears as soon as I select "In the clock, show - Weekday" in Time & Date. Bug?

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