TIL analog watches can double as a compass using the position of the sun

Read more: https://www.citizenwatch-global.com/s/support/exterior/direction.html

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  1. I mean you’re right, technically analog watches can be used as a compass. But there’s a whole technique to this. This picture does not explain it so well. The calculation depends on which hemisphere you are currently in and also the current time, if it’s before or after 12:00PM.

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