亥 いの刻 こく ino koku Written Form Kana Romaji IPA Pronunciation English Pronunciation Open Menu Search Add to collection Add to collection... Entry Info... Help Help Meanings Pronunciation Comments Noun , Expression 1. hour of the Boar (around 10pm, 9-11pm, or 10pm to 12 midnight) Archaic Word Pronunciation Help 文 文 DefaultA Romaji[ə] IPAŔ Englishあ Hiraganaア Katakana No variants available for this word. Sign in or join to leave a comment. No discussion yet. Share what you know about this word. Delete Comment ✕ Are you sure you want to delete this comment? This action cannot be undone. Cancel Delete