libdatetime-astro-sunrise-perl software package provides module for computing the time of sunrise and sunset, you can install in your Debian 8 (Jessie) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install libdatetime-astro-sunrise-perl
libdatetime-astro-sunrise-perl is installed in your system.
Make ensure the libdatetime-astro-sunrise-perl package were installed using the commands given below,
$ sudo dpkg-query -l | grep libdatetime-astro-sunrise-perl*
You will get with libdatetime-astro-sunrise-perl package name, version, architecture and description in a table
| Distro | Debian 8 jessie |
| Section | Perl |
| Package | libdatetime-astro-sunrise-perl |
| Version | 0.01.01-3 |
| Description | module for computing the time of sunrise and sunset |
| Sub Section | Perl |