Joda-Time provides a complete quality alternative to the JDK date and time classes. At some point however, many projects need to persist these classes to a database. One popular tool for achieving this is Hibernate.
To ease the integration of Joda-Time and Hibernate, this sub-project was setup. It aims to provide the classes necessary to persist Joda-Time objects.
This site includes lots of information that is time and date related, such as yearly and monthly calendars, countdown counters and the world clock which shows current time in cities all over the world.