Install emacs-calfw-howm by entering the following commands in the terminal:
sudo apt update sudo apt install emacs-calfw-howm
Description:
calendar framework for Emacs (howm add-on)
This program displays a calendar view in the Emacs buffer, which also work with org-agenda, google calendar, and ical. . This sub package provides support for using with howm.
Homepage: https://github.com/kiwanami/emacs-calfw/
Version: 1.6+git20170704-1
Section: universe/lisp