<Tr> <Td> Eastern European Summer Time (UTC + 3) </Td> </Tr> <Tr> <Td> light green </Td> <Td> Further - eastern European Time / Moscow Time / Turkey Time (UTC + 3) </Td> </Tr> <P> The United Kingdom uses Greenwich Mean Time or Western European Time (UTC) and British Summer Time or Western European Summer Time (UTC + 01: 00). </P> <P> Until the advent of the railways, the United Kingdom used Local Mean Time . Greenwich Mean Time was adopted first by the Great Western Railway in 1840 and a few others followed suit in the following years . In 1847 it was adopted by the Railway Clearing House, and by almost all railway companies by the following year . It was from this initiative that the term "railway time" was derived . </P>

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