My idea is to do something similar but the hour hand would light up on the inside of circle so it is more obvious what is minute and what is hour. Actually, I will probably not do a loop design, but something with frosted glass/plexi.
I would like to add a date and day of week indicators also, I will have to think about how to do that creatively. Alphanumeric segment LEDs take up a bunch of pins, correct? any good way of accessing several of those on an arduino?
I might have a bunch of TLC5947s left over from my current project...