asclock-themes software package provides Theme files for ASclock, a clock applet, you can install in your Ubuntu 16.04 LTS (Xenial Xerus) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install asclock-themes
asclock-themes is installed in your system.
Make ensure the asclock-themes package were installed using the commands given below,
$ sudo dpkg-query -l | grep asclock-themes *
You will get with asclock-themes package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | X Window System software |
| Package | asclock-themes |
| Version | 2.0.12-26 |
| Description | Theme files for ASclock, a clock applet |
| Sub Section | X41 |