Question

what is greenwich mean time?​

Answer 1

Answer:

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Explanation:

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Greenwich Mean Time is the mean solar time at the Royal Observatory in Greenwich, London, reckoned from midnight. At different times in the past, it has been calculated in different ways, including being calculated from noon; as a consequence, it cannot be used to specify a precise time unless a context is given. 

Answer 2

Answer:

the Greenwich Mean time is also known as local local time . It 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 the London suburb of Greenwich

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