this post was submitted on 19 Apr 2025
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Today I Learned (TIL)

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The fourth floor is labeled 3A. The 14th floor is labeled 13A, etc. Four is considered bad luck.

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[–] ImplyingImplications@lemmy.ca 7 points 3 days ago

It's called Tetraphobia and it's common throughout Asia due to the words for "4" and "death" having similar pronunciations in many Asian languages. In the west, triskaidekaphobia, fear of the number 13, is more common but the exact origin is unknown.