Date4j is a lightweight replacement for Java's built-in date classes. - compiles with JDK 1.5 or greater - can be used in Android projects - its public API is essentially a single class (DateTime) - BSD License For more information, please see the project's web site: http://www.date4j.net/ Date4j was built by: - John O'Hanley (main author, Canada) - Piero Campalani (Italy) - Jean-Christophe Garnier (CERN - Switzerland) - Jamie Craane (Netherlands)