Guinness World Records 2011 006 1px dashed # ccc}. technology-def. tech-foot span {float ...Greenwich Observatory, Greenwich, UK Jiaoyuan south London location, it is also the starting point of the world's geographic longitude. For major events happening in the world, have to record the local time of Greenwich. ... The UT2 = UT1 + Î"TS = UT0 + Î"λ + Î"TS since 1962, the international unity of
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