Mental modelThe World, Understood · Day 13
Offsets around the 180th meridian: Apia and Pago Pago are neighbours on the map and a calendar day apart since Samoa crossed the date line in 2011.
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This is one mental model — a course's idea in a single picture. It comes from The World, Understood, a short daily course on Noesa. Anyone can use AI; few can tell when it's wrong.