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Yes, distance of 1" on equator (463.8 m) × cosine of latitude longitude. This means approximately 350 m in Rome, 285,6 m in Berlin and 232 m in Helsinki. In reality a bit less, as I didn’t take the ellipsoid shape of the globe into account.
Technically every 30 metres there should be a 1 second time zone adjustment.
Then we’d be back in pre-railway era.
Actually every 463 meters.
40 075km is circumference of Earth. There are 24x60x60 seconds in a day.
40 075×1 000÷(24×60 ×60) =~ 463.8
Wouldn’t it depend on latitude? It would be much less than 463 metres at the latitudes of Europe
Yes, distance of 1" on equator (463.8 m) × cosine of latitude
longitude. This means approximately 350 m in Rome, 285,6 m in Berlin and 232 m in Helsinki. In reality a bit less, as I didn’t take the ellipsoid shape of the globe into account.