RFC 2445 describes a scheme for calendar interoperability.This project implements core parts of RFC 2445 including a parser for recurrence rules, and date lists, and a mechanism for evaluating recurrence rules.

See the javadoc for known issues and caveats.

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Features:evaluates recurrence rules that don't occur more frequently than daily evaluates groups of recurrence rules and handles exceptions Support for Joda-time dates and java.util.Date To-Do:Direct support for recurrences more frequent than daily Support for user-defined timezones Requirements:JDK 1.5 Maturity:Stable -- deployed in a large scale calendaring application Efficient for all common recurrences and reasonably efficient for others (Run tests for micro-benchmarks) No known non-halting behaviors