Pretty trippy, right? Given that Antarctica rests on every line of longitude, you might be tempted to think the continent observes every single time zone, but this is not the case. In fact, as the maps featured here illustrate, even regions that lie along the same meridian don't necessarily observe the same time zones, due in large part to the range of territorial claims on the continent. Some places — labeled in red — have no time zone, and just observe Coordinated Universal Time, by default.
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There are no country or state lines in Antarctica, why are we not just using longitudes?!? It's not like there are economic problems because half the city is going to be in one time zone and half another.