PHP iCalendar is a php-based iCal file parser. Its based on v2.0
of the IETF spec. It displays iCal files in a nice logical, clean
manner with day, week, month, and year navigation, printer view,
RSS-enabled, and searchable. It supports 12 languages, is fully
theme-able, and has complete timezone support.

WWW: http://phpicalendar.sourceforge.net/