File:Greenwich clock.jpgof your choice. English Greenwich mean time clock at the royal observatory German Uhr am königlichen Observatorium von Greenwich, England Persian ساعت گرینویچ
File:24 Hour Clock.JPG(2772801 bytes) 24 Hour clock located at Royal Observatory in Greenwich. "This was one of the earliest electrically driven public clocks and was inctalled here
File:The Greenwich clock.jpgCreative Commons Attribution-Share Alike 3.0 truetrue Royal Observatory, Greenwich English URL: https://commons.wikimedia.org/wiki/user:Dudva Wikimedia username: