火曜日

Pattern visualization

Examples

1. 火曜日に病院に行く。▶ —
   I go to the hospital on Tuesday.
2. 火曜の朝に会議。▶ —
   Meeting Tuesday morning.

Collocations

Mnemonic

Kayoubi (火曜日) is Tuesday — 火 (fire) plays double duty as the Five-Element fire and the planet 火星 (kasei, Mars), tying the day to the Roman war god / fire imagery of Mars in Western planetary names too. The 火 kanji reads ka in on-yomi compounds (kayoubi, kaji = fire / blaze) and hi in standalone Yamato use (hi = fire, hibana = sparks). Word order can flip: hibana (sparks, hi-bana) versus hanabi (fireworks, hana-bi). Japanese TV anchors broadcast slots to specific days: Kayou Suspense Gekijou (Tuesday Suspense Theater) is a canonical genre slot — a cultural code that fixes programming to weekdays. Vocabulary cluster: kaseijin (Martians, slang for aliens), yakedo (burn injury, Yamato compound). Korean uses the same kanji as hwa-yoil; Chinese xingqi-er (numbered) diverges. Learners must split the 火 reading between ka in day names and compounds and hi as a standalone noun.

Quick check

1. Origin of the Japanese seven-day system?

   • Ancient Chinese shichiyou (sun, moon, Five Elements) plus Meiji 1876 solar-calendar adoption
   • Introduction of Buddhism
   • Edo-era homegrown invention
   • American colonial influence