Greenwich Royal Observatory London Ticket

· Standing on the Prime Meridian with both feet straddling the Eastern and Western Hemispheres

· Touch the marine chronometer invented by John Harrison and learn about the revolution in longitude measurement

· Overlook the skyline of the City of London and capture the winding wonders of the River Thames

When both of your feet straddle a brass line, you step into the Eastern and Western Hemispheres at the same time — this is not magic, it is the exclusive romance of the Royal Observatory Greenwich. This white building perched atop Greenwich Park holds humanity's "time code."

▲The Prime Meridian at the Royal Observatory Greenwich

In 1884, the Prime Meridian here was designated as the global starting point for longitude, and from then on, "Greenwich Mean Time" became the world's time standard. Bend down to touch the brass meridian line — what your fingertips trace is not just a scale, but a scientific consensus spanning over a century. Inside the Observatory, the ancient astronomical telescopes still point at the stars, and the manuscripts where astronomers recorded the trajectories of celestial bodies engage in a silent dialogue with modern star charts across the glass display cases.

▲The telescope at the Royal Observatory Greenwich

Climb up to the Observatory terrace for a panoramic view of the London skyline and the River Thames. At noon, the "Time Ball" in the courtyard drops on schedule, recreating the 19th‑century tradition of calibrating time for ships at sea. As the sun sets, the sunlight casts a long shadow of your figure on the Meridian — half in the Eastern Hemisphere, half in the Western Hemisphere — making every photo a one‑of‑a‑kind souvenir.

▲The astronomical longcase clock at the Royal Observatory Greenwich

▲The Prime Meridian at the Royal Observatory Greenwich

Here you will find the vastness of the starry sky and the precision of time; the rigour of science and the magnificence of the scenery. Come to Greenwich, freeze a moment on the Prime Meridian, and let the world's time bear witness to your journey.

▲Visit the Royal Observatory Greenwich and take part in a variety of fun and educational activities