East or West -The Royal Observatory Greenwich

I know there are plenty of other places to see The Prime Meridian Line – Longitude 0º  –  but it always seems more exciting at Greenwich.

You can stand on the path just outside Flamstead House and straddle the line, so that you have one foot in the Eastern Hemisphere and the other foot in the Western Hemisphere (great place for a photograph).  On the wall nearby is an official British Imperial Standard Yard made of metal. It was placed here in 1866 and is actually shrinking at the rate of one part per million every twenty years.  You can tell your grandchildren that 1 yard is  3639.370113 of a metre!!  (If you don’t have a calculator handy 1 yard = 91.44 cm)

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You can also go inside the courtyard of Flamstead House to see the line. There is an entrance fee for the courtyard  which also includes the Time galleries.

Where: Royal Observatory ,Blackheath Avenue, Greenwich, SE10 8XJ
Suitable For:  Everyone
Admission:  Entrance Fee Flamsteed House/Meridian Courtyard (under 5s free)
combined tickets available
 Website: www.rmg.co.uk/royal-observatory

If you want to see The Meridian Line elsewhere, see this great blog – Marking the meridian


Getting There Royal Observatory ,Blackheath Avenue, Greenwich, SE10 8XJ
Google see map or get directions

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