To fix this the Royal Observatory decided to set a standard time that everyone could set clocks to. This was called Greenwich Mean time(GMT). GMT became the only official time used in the UK ...
an astronomer at the Royal Greenwich Observatory, told the Daily Mail. If it did this would be cataclysmic given that 2024 XN1 — which was spotted on December 12 — measures between 95-230 feet ...
However, the Observatory’s most enduring legacy is the establishment of Greenwich Mean Time (GMT). In the 19th century, as international trade and travel expanded, it became necessary to ...