Lightglass

For mining workers and those that dwell in deep underground lairs, dark libraries or underwater, a measuring tool to tell time is in need. Against its market competitors, the self-turning hourglass and the mechanical bird, the lightglass won a large seat in time measuring tools, next to the increasing industry of clocks and pocket watches.

This little orb of glass glows depending on the time of day, either resembling a clouded sun or mimicking the stars of the night-sky Various arcane anomalies might affect this presentation of time, but has yet to be fully tested.