Version 2 published today.
Apart from a minor fix to the rotation of the bracket that holds the "moon-let" as moves around its track, the main change is the inclusion of the battery meter.
And, of course, the second hand and mermaid are now clothed in sky blue.
Oh, and I've dropped the sunrise and sunset indicators, for now at least. I think the colour distracts from the overall look-and-feel. I need to re-think how to show sunrise and sunset in a way that is more in keeping with the overall design.