Novel clock displaying time since previous sunrise.
See xbSunClock article and documentation for more info
Module to display the time since the the sun rose for a given location. Can also display time until or since sunset and time until the sun is next expected to rise. Also the duration between sunrise and sunset, the duration between sunset and sunrise and the duration between the previous and next sunrises (which may not be exactly 24 hours).
v1.1.0 30th Dec 2016
Added solstice and equinox dates. Improved timing routines.
v1.0.0 8th Dec 2016
First release version