aclock.app software package provides Analog dockapp clock for GNUstep, you can install in your Debian 9 (Stretch) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install aclock.app
aclock.app is installed in your system.
Make ensure the aclock.app package were installed using the commands given below,
$ sudo dpkg-query -l | grep aclock.app *
You will get with aclock.app package name, version, architecture and description in a table
| Distro | Debian 9 stretch |
| Section | GNUstep |
| Package | aclock.app |
| Version | 0.4.0-1+b2 [s390x], 0.4.0-1+b1 |
| Description | Analog dockapp clock for GNUstep |
| Sub Section | gnustep |