debdate
Convert Gregorian dates to Debian Regnal dates
debdate is a fundamental tool for anybody who follows the debian calendar where the years are named after the current stable release.
Installation
debdate depends on python3 and dateutil; no installation is required, as the script can be run directly from the repository.
Under Debian and possibly some derivatives, debdate can read up-to-date release dates from the package distro-info-data.
License
Copyright (C) 2017 Elena Grandi <valhalla@trueelena.org>
This program is free software. It comes without any warranty, to the extent permitted by applicable law. You can redistribute it and/or modify it under the terms of the Do What The Fuck You Want To Public License, Version 2, as published by Sam Hocevar. See http://www.wtfpl.net/ for more details.