Greenwich Meridian

Local nameGreenwich Meridian
LocationLondon, UK

If you want to stand on two hemispheres at the same time, visit this place where the meridian divides the Earth. It is located at the Royal Greenwich Observatory and was established in 1851 by an English mathematician - Sir George Biddell Airy.

The prime meridian with longitude 0º is the reference line for the Greenwich Mean Time; it means that every new year starts at this line.

While in the area, be sure to visit the surrounding museum and observatory to learn more about the Universe, astronomy and the meridian line itself. Flamsteed House, one of the oldest parts of the complex, is also worth visiting.

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London: Royal Observatory Greenwich Entrance Ticket from 26 USD
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Opening hours

Last admission 30 min before closing.


Royal Observatory Entry:
Adult: £14.40
Children over 7: £7.20

More information and contact


Official website

Phone +44 20 8312 6608

Address Greenwich, London SE10 9NF, UK

Coordinates 51°28'40.594" N -0°0'5.309" E

Tours and activities: Greenwich Meridian

London: Royal Observatory Greenwich Entrance Ticket

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from 26 USD

London: Greenwich Highlights Private Tour and Thames Cruise

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from 248 USD

Greenwich Highlights Half Day Tour

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from 209 USD

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