this post was submitted on 21 Jun 2023
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Today I learned

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TIL that the red&green maritime navigational markers are the opposite in the Americas (en.wikipedia.org)
submitted 2 years ago by [email protected] to c/[email protected]
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Having been a sailor for 40 years, I am better at "red&green" than "left&right", and I always knew that red was on the left and green on the right (duh, obviously).

When I was young, my dad (also a sailor) even made a point of mounting one red and one green grip on my bicycle handlebar; of course I did the same with with boys' bikes.

Well, today I learned that this is called "Region A", and the Americas and a few other countries are called "Region B" where the red&green is reversed: red is on the right (and green on the left)!

To make things even weirder, navigational lights are not reversed in Region B.

Mind blown.

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[–] [email protected] 1 points 2 years ago

You are definitely correct, otherwise it would be like Japanese cars having red headlights and white taillights = mayhem. I just don't grok how or why the buoys came to be different.