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Greenwich Mean Time


The 24 Hour clock at the Royal Observatory Greenwich. Image: Wikipedia

David is currently, rapidly crossing several time zones so I thought it would be a good day to rewind a post.

On this day in 1884, Greenwich Mean Time was established as the global time meridian.

The British Empire's influence contributed to establishing GMT. The impact of two Britons - John Harrison and Nevil Maskelyne - in helping sailors all over the world figure out where they were also played a leading role, as the Science Timeline reveals.


Science Timeline, 1751 - 1776

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