🎥 Discover how time and trains changed the world ... ⏰ 🚂 This year marks 350 years of the Royal Observatory Greenwich and 200 years of the modern railway in Britain. We took a step back in time to learn about the railway and the Royal Observatory’s roles in spreading Greenwich Mean Time across the country, and their sometimes tumultuous relationship, which led to a railway tunnel under Blackheath. Royal Museums Greenwich #RoyalMuseumsGreenwich #GreenwichObservatory #RailwayHistory #GMT #Railwa

Tick tock, tick tock - we're back to Greenwich Mean Time today! 🕰️ Did you know that Greenwich Mean Time is the yearly average of the time that the Sun crosses the Royal Observatory Greenwich each day? | Longleat

Royal Observatory Greenwich: 350 Years of Navigating the Skies, Stars and Seas Join The Explorers Club and Royal Museums Greenwich, on Tuesday, October 21st, as we celebrate 350 years of the Royal Observatory Greenwich and its legacy of innovation in navigation and timekeeping. In July 1675, Charles II, King of England, made a decision that changed the world forever. Global trade and navigation were increasingly important to the wealth of empires and provisions of everyday life. Yet navigation a