When is it half past the hour? When the minute hand of a clock (the longer hand) has travelled from 12 halfway around the circle to point at 6 this is half past the hour. The hour hand (the ...

To help pass the time, [Erich Styger] decided to build a meta digital clock made up of 24 individual analog clocks ... check out some of our other past clock hacks, including this mini-VFD ...