A Peggy 2 digital clock that uses a Chronodot to keep time. See this Evil Mad Scientist post for details on adding a Chronodot to a Peggy 2: Peggy 2: Adding a ChronoDot
This program is based on my original Peggy 2 Digital Clock program which is also available on GitHub at Peggy 2 Digital Clock and it uses the Arduino-Chronodot library