Outside the gate of the Royal Greenwich Observatory building in Greenwich, London, the Shepherd Gate Clock displays Greenwich Mean Time to the world. This electric clock is part of a synchronized network of five clocks patented in 1849 by engineer Charles Shepherd. The unique 24-hour analog dial can challenge one's typical time-telling guidance for kids, "well, Jimmy, when the big hand is on the V and the little hand is on the XVIII, what time would it be?"

08.13.19