Quick Information

ADDRESS

Blackheath Ave, London SE10 8XJ, UK

RECOMMENDED DURATION

2 hours

VISITORS PER YEAR

2000000

TICKETS

From $16.27

EXPECTED WAIT TIME - STANDARD

30-60 mins (Peak), 0-30 mins (Off Peak)

UNESCO YEAR

1997

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Royal Observatory Planetarium Show Tickets

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Royal Museums Greenwich Day Pass

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Combo: Royal Observatory Greenwich + Royal Observatory Planetarium Show Tickets

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Royal Observatory Greenwich Tickets

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What is Royal Observatory Greenwich?

The Royal Observatory Greenwich, located in London, holds a hallowed place in the history of astronomy and navigation. Founded in 1675, it's the site where Greenwich Mean Time (GMT) was established, becoming the global standard for timekeeping. Visitors can explore its historic buildings, view celestial wonders through powerful telescopes, and stand on the Prime Meridian, dividing the Eastern and Western Hemispheres. This iconic institution provides a deep dive into the science and history of time, space, and navigation, making it a must-visit destination for those intrigued by outer space and Earth's position within it.

Royal Observatory Greenwich Highlights

The Prime Meridian Line

The observatory is home to the world-famous Prime Meridian Line, where visitors can stand in both the Eastern and Western Hemispheres simultaneously. It's a unique photo opportunity and a chance to explore the significance of Greenwich Mean Time (GMT) in global timekeeping.

Historic Instruments

The observatory houses a remarkable collection of historical astronomical instruments, including the Great Equatorial Telescope and the Shepherd Gate Clock. These artifacts provide insight into the evolution of astronomy and timekeeping.

Peter Harrison Planetarium

Offering immersive shows and live presentations, the Peter Harrison Planetarium provides an incredible journey through the workings of outer space. Its state-of-the-art technology and stunning visuals make complex astronomical concepts accessible and educational for all ages.

The Time Ball

The iconic Time Ball perched atop Flamsteed House is a must-see attraction. Dating back to 1833, it's one of the world's earliest public time signals. Even today, the bright red sphere drops daily at 1 p.m. (GMT), allowing visitors to witness this historic timekeeping ritual.

History of Royal Observatory Greenwich In A Nutshell

1675: Founded on June 22, construction began in August, marking the birth of the Royal Observatory.
1833: The observatory introduced daily time signals, a tradition maintained by dropping a time ball, providing an essential public time reference.
1899: The New Physical Observatory (now known as the South Building) was completed, expanding the observatory's capabilities and research facilities.
1924: Hourly time signals (Greenwich Time Signal) from the Royal Observatory were first broadcast on 5 February, further enhancing its role in timekeeping.
1957: The Royal Observatory completed its move to Herstmonceux in East Sussex, becoming the Royal Greenwich Observatory (RGO), while the Greenwich site was renamed the Old Royal Observatory.
1998: The RGO closed, and the Greenwich site was restored to its original name, the Royal Observatory, Greenwich, becoming part of the National Maritime Museum.

Who Built Royal Observatory Greenwich?

The Royal Observatory Greenwich was designed by Sir Christopher Wren, one of the most renowned architects in English history. Wren's architectural style was characterized by Baroque influences, and he is famous for designing St. Paul's Cathedral in London. His major contribution lies in reshaping the London skyline and making significant advancements in both architecture and astronomy through his work on the observatory.

Architecture & Design of Royal Observatory Greenwich

The Royal Observatory Greenwich boasts a timeless architectural style and design, conceived by the renowned Christopher Wren in 1675. This historic building, commissioned by Charles II, was meticulously crafted to serve as an observatory for Astronomer Royal John Flamsteed, with the primary goal of advancing maritime navigation. Despite budget constraints, Wren's vision gave birth to the elegant Flamsteed House observatory.

A standout feature is the Octagon Room, an exquisite example of Wren's interior design that remains preserved today. Visitors are treated to intricate wood paneling and, from this vantage point, captivating views of Greenwich Park and the meandering Thames River. The observatory's enduring appeal lies not only in its scientific significance but also in its architectural beauty, offering a unique glimpse into the past and the melding of art and science.