Inventions Workshop
Noon moves west
Each town set its clocks by the Sun. Noon reached the towns in the west later.
Move the Sun west. Watch noon reach each town.
London 12:00Noon in London
Did you know?
In the early 19th century, people in Britain kept time by clocks set by the Sun, called local mean time. The Sun rises in the east and takes time to travel west, so noon came earlier in Greenwich than in Plymouth. Source: Royal Museums Greenwich, “Why do we have Greenwich Mean Time? ‘Local’ time and the railways”
Local mean time in Plymouth was about 16½ minutes behind local mean time at Greenwich. Source: Royal Museums Greenwich, “Why do we have Greenwich Mean Time? ‘Local’ time and the railways”