2018-12-31 UTC
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mlncn two great maps from wikipedia: https://upload.wikimedia.org/wikipedia/commons/e/e8/Standard_World_Time_Zones.png - shows how almost all of Europe and all of China climb into one timezone apiece.... and the effects of that on distance from 'solar time' - https://upload.wikimedia.org/wikipedia/commons/4/4b/Solar_time_vs_standard_time.png