A clock with a daylight world map

The function for the daylight graph is a crude approximation for an equirectangular projection of a circle on a sphere.

You can change the longitudinal map offset by swiping the map sideways. For saving the changes to the file dwm-clock.json press the top left quarter of the screen. To discard changes press the top right quarter. 

If you are interested in changing the vector font to another one, please do.
