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Royal Observatory Greenwich
Attraction
4.5 (19521 reviews)
Wren's 18th-century astronomical observatory on the Prime Meridian, now a museum with a planetarium.
Blackheath Ave, London SE10 8XJ, UK
+44 20 8312 6608
Did You Know?
Home of Zero Longitude
The Royal Observatory is the historic home of the Prime Meridian, the line of 0° longitude, from which all other longitudes are measured. You can stand with one foot in the East and one in the West!
Founding Year
The Royal Observatory was founded in 1675 by King Charles II. Its initial purpose was to improve navigation for sailors.
First Astronomer Royal
John Flamsteed was the first Astronomer Royal, appointed to run the observatory and map the stars.
First Public Time Display
The Shepherd Gate Clock, installed in 1852, was the first clock to show Greenwich Mean Time (GMT) to the public.
Highlights from Reviews
• stunning views
The location offers panoramic views of London, including Greenwich Park, the Thames River, and the Canary Wharf skyline.
• prime meridian
The Prime Meridian Line allows visitors to stand with one foot in each hemisphere, a unique and memorable experience.
• historical exhibits
The observatory showcases historical telescopes, timekeeping instruments, and exhibits on astronomy and navigation.
• helpful staff
Many visitors find the staff to be friendly, helpful, and knowledgeable, enhancing the overall experience.
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