Autumn “Shuubun” – Japanese Kanji for Autumnal Equinox Posted by japanese-kanjisymbols on 2011/09/302011/09/29 I wrote “Shuubun“. It means ”Autumnal Equinox” in English. “Shuu” means Autumn “Bun” means Divide September 23 was Autumnal Equinox in Japan. On this day length of day and night is almost same. What is your favorite word about autumn? Please let me know your favorite words.