Each Amahi server has a calendar server in it. With it, client sofware (like Outlook, iCal, Sunbird, Thunderbird or Chandler) can publish and also subscribe to calendars published in your HDA.
To publish or subscribe to a calendar in this server, you need three four things:
# Installation of a calendar app such as iCalendar,
# A client calendar program (see below),
# The publishing location or URL, which is: <code><nowiki>http://calendar/</nowiki></code>, and