Question: I recently installed ubuntu 12.10 and it seems as though my clock is missing. I also don't see any options for date/time in the system settings panel.

![enter image description here](https://i.stack.imgur.com/9z7Oi.png)

![enter image description here](https://i.stack.imgur.com/lyBL5.png)

Am I missing something? Again this is with Unity.

Answer: 
As per the comments above I've fixed this issue on my brand new 14.04 LTS installation by running.

```
$ pkill -f indicator-datetime-service

```

The clock came straight back.
Worked for me:

```
sudo apt-get install indicator-datetime
sudo dpkg-reconfigure --frontend noninteractive tzdata
sudo killall unity-panel-service

```

Reference: <https://askubuntu.com/a/357280/25184>