Binary package “dclock” in ubuntu trusty

Digital clock for the X Window System with flexible display

 Dclock main feature is its great flexibility in how it can draw. You can
 even display the output from "date" in it such as "Wednesday, 3rd Jan".
 Dclock also supports setting an alarm.
 You need the package sox if you want to enable sound for alarm and
 hourly bells (rather than beeps).