xfcalendar 4.2.3-1 (amd64 binary) in ubuntu dapper

Time-managing application for the Xfce desktop environment
 This package contains a calendar for the Xfce4 desktop environment.
 It integrates itself nicely into the desktop environment, is highly
 configurable and supports alerts based on dates. If you are looking
 for a good graphical calendar, you will probably want to try out
 xfcalendar.
 .
 Homepage: http://www.xfce.org/