How to tell time with spots. The pattern determines the precise hour.
The key element is the upcoming hour open circle.
Hour and minute hands function with normal movement, illuminated in high contrast green against a black background.
The cornerstone hours of 12, 3, 6 & 9 o’clock are marked by stationary red spots.
The current hour is denoted by a high contrast solid white spot.
The upcoming hour is denoted by a lower contrast outline that is always located just ahead of the current hour.
With each incremental hour, both the current and upcoming hour spots advance around the clock face together.