Here's more about Korean and Western days of the week.

화 comes from the 한자 火, which means fire.

화성 is Mars. Mars is the god of war, which can be associated with fire.

Tuesday is Tiu’s day. Tiu is the Anglo-Saxon god of war, so he is roughly equivalent to Mars. (Romans called Tuesday the day of Mars.)

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🗲 20240206 ♂ Tuesday 100aDaytill100k 🗲 Mars, Male

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Here's more about Korean and Western days of the week.

> Tuesday — 화요일
화 comes from the 한자 火, which means fire.
화성 is Mars. Mars is the god of war, which can be associated with fire.
Tuesday is Tiu’s day. Tiu is the Anglo-Saxon god of war, so he is roughly equivalent to Mars. (Romans called Tuesday the day of Mars.)

https://medium.com/@btackt/on-memorizing-weekdays-and-planets-in-korean-its-not-completely-random-7bb80adde163