These Two Islands Are Just 2.4 Miles Apart, But Have a 21-Hour Time Difference

The Diomedes, two small islands in the Bearing Sea are famous as one of the few places where you can travel back in time, sort of…

The international date line is an imaginary line that runs through the middle of the Pacific Ocean, marking the difference between calendar dates. Crossing the line from east to west, you would need to set your clock forward by a day, while crossing from west to east, you would set it back by a day. The international dateline runs from the North to the South pole, but it isn’t straight; instead it zig-zags, taking into account various political borders. It just so happens to pass right between the Diomedes Islands, in the Bering Sea, making it possible to (sort of) travel through time just by traversing a distance of only 2.4 miles (3.8 km).

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