In common usage, UT refers to a time scale called Coordinated Universal Time (abbreviated UTC ), which is the basis for the ...

Enter: Greenwich Mean Time. The question is ... ‘Seventy percent of the world’s shipping companies were [already] using charts and data tables based on the Greenwich meridian.’ ...

Greenwich Mean Time (GMT) is the time measured on the Earth's zero degree line of longitude, or meridian. This runs from the North Pole to the South Pole, passing through the Old Royal Observatory ...

In 1847 the railways agreed to use GMT across the entire network. Therefore, the distribution of Greenwich Mean Time via telegraph signals became absolutely crucial. But not everyone could connect ...

It led to the creation of Greenwich Mean Time (GMT). Show more In 1676, Astronomer Royal John Flamsteed was looking to find a way to determine longitude at sea, so ships could know their position ...

Greenwich Mean Time (GMT) is the time measured on the Earth's zero degree line of longitude, or meridian. This runs from the North Pole to the South Pole, passing through the Old Royal Observatory ...