asclock software package provides clock designed with the NeXTStep look, 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
asclock is installed in your system.
Make ensure the asclock package were installed using the commands given below,
$ sudo dpkg-query -l | grep asclock *
You will get with asclock package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | X Window System software |
| Package | asclock |
| Version | 2.0.12-26 |
| Description | clock designed with the NeXTStep look |
| Sub Section | X40 |