Description:

KonsoleKalendar is a command line interface to KDE calendars. It lets
you view, insert, remove, or modify calendar events by way of the
command line or from a scripting language. Additionally,
KonsoleKalendar can export a KDE calendar to a variety of other
formats.

Main features of KonsoleKalendar:
- list calendar entries from a start date/time to end date/time
- insert/remove/modify calendar entries
- export calendar entries to other file formats