Joda-Time - library that provides a quality replacement for the Java date and time classes.
Joda-Time requires Java SE 5 or later and has no dependencies. The design allows for multiple calendar systems, while still providing a simple API.
ProGuard rules for Joda-Time
You don’t need to add any specific rules to your ProGuard configuration.
# No special ProGuard rules required.
For more information about Joda-Time please see the website.