mod_xbsunclock v1.0.1 
3rd Dec 2016 

SunClock is a novel clock. Rather than displaying the time since midnight, it displays the time since the last sunrise, and optionally time to the next sunset or sunrise. 

mod_xbsunupdown v3.3.1 
25th Sept 2014 

SunUpDown is a module to display the time of sunrise and sunset today anywhere in the world.

You set the latitude and longitude of your location, and you can have an optional line of text before and after the times.