十月

Pattern visualization

Examples

1. 十月は紅葉の季節だ。▶ —
   October is the foliage season.
2. 十月にハロウィンがある。▶ —
   October has Halloween.

Collocations

Mnemonic

Juugatsu (十月) is October — Japans kouyou or momiji foliage season, Halloween, and deepening autumn. Cluster: (1) kouyou or momiji (autumn leaves, Hokkaido peaks September, Honshu October-November, Okinawa December — a southward zensen front mirroring sakura northward); (2) momiji-gari (leaf-viewing outings — Kyotos Arashiyama, Tokyos Takao-san, Tochigis Nikko famed, onsen-plus-foliage packages); (3) harouin (Halloween, Oct 31, exploded in Japan from 2010 — Shibuyas costume parade, fused with cosplay culture into a uniquely Japanese mass-cosplay event; the Western kids trick-or-treat custom is weak); (4) supootsu no hi (Sports Day, second Monday of October — commemorates the 1964 Tokyo Olympics opening on Oct 10, renamed in 2020 from taiiku no hi, marks nationwide school undoukai field-day season); (5) koromogae (Oct 1 simultaneous uniform and wardrobe swap from summer to autumn-winter, a school and corporate tradition). Kanji 十 with on-reading juu plus 月 "-gatsu." JLPT N5 plus Octobers Japanese foliage, sport, and life-rite cluster.

Quick check

1. How did harouin evolve culturally in Japan?

   • Exploded after 2010 — Shibuya costume parade fused with cosplay into a uniquely Japanese mass-cosplay event (Western trick-or-treat for kids stays weak)
   • Edo tradition
   • Meiji imperial event
   • 1950s US military import