convenience methods for using Data::ICal with DateTime

 Data::ICal::DateTime extends Data::ICal with DateTime-related methods
 for more convenient accessing and generating iCalendar data.
 .
 The Internet Calendaring and Scheduling Core Object Specification
 (iCalendar)
 is a media type
 which allows users to store and exchange
 calendaring and scheduling information
 such as events, to-dos, journal entries, and free/busy information.