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Timezone changes between 1923 and 2023(files.catbox.moe)

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Blaze@reddthat.com
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map_enthusiasts@sopuli.xyz
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Kecessa@sh.itjust.works
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I wish we had the lines to compare.

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Blaze@reddthat.comOP
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Kecessa@sh.itjust.works
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Funny how it went from pretty much correct to completely fucked

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Successful_Try543@feddit.de
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Now the Spaniards are lobbying against constantly keeping the DST…

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DarkCloud@lemmy.world
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Technically every 30 metres there should be a 1 second time zone adjustment.

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derpgon@programming.dev
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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

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Caspase8@aussie.zone
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Wouldn’t it depend on latitude? It would be much less than 463 metres at the latitudes of Europe

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Successful_Try543@feddit.de
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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.

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Successful_Try543@feddit.de
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Then we’d be back in pre-railway era.

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punkcoder@lemmy.world
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I find it amazing that there were places without official time zones in 1923.

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magikmw@lemm.ee
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Ukraine didn’t exist, Romania was a shitshow, etc.

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Successful_Try543@feddit.de
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Ukraine existed, but was part of USSR. Strangely enough that there were no official time zones for all parts of the USSR.

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Zagorath@aussie.zone
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Damn, Spain and Morocco being UTC+1 is nuts. Even France and Algeria are stretching it a bit far for my liking. And it gets even more crazy for the European countries for over half the year when they play pretendy-magic-time and go to UTC+2.

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tallricefarmer@sopuli.xyz
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France amd Spain being +1 is apparently a relic from the 40s when Germany occupied France and the Spanish government felt they needed to switch to appease Germany. It is kinda funny neither switched back.

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Successful_Try543@feddit.de
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Similarly, this holds for the BeNeLux countries. NED: GMT +0:19:32 / +0:20 since 1937, BEL and LUX used GMT since 1918

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Creat@discuss.tchncs.de
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Portugal was understandably like “nah fuck you guys”. Still like a bit lonely on a map though.

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Successful_Try543@feddit.de
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Otherwise the people on the Azores would go nuts.

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Claidheamh@slrpnk.net
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Azores is UTC-1 anyway.

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