Jinmeiyō kanji, used in names
JLPT level: N1
Stroke count: 6
Meaning: sign of the hog, 9-11PM, twelfth sign of the Chinese zodiac
Kunyomi: い
Onyomi: ガイ カイ
Composition: 亠 人
Radical: 亠
Meaning: lid
亥月 （ガイゲツ） tenth month of the lunar calendar
丁亥 （テイガイ） Fire Boar (24th term of the sexagenary cycle, e.g. 1947, 2007, 2067)
己亥 （ツチノトイ） Earth Boar (36th term of the sexagenary cycle, e.g. 1959, 2019, 2079)
亥 （い） the Boar (twelfth sign of the Chinese zodiac), the Pig, hour of the Boar (around 10pm, 9-11pm, or 10pm to 12 midnight), north-northwest, tenth month of the lunar calendar
亥年 （いどし） year of the Boar, year of the Pig
丁亥 （ていがい） Fire Boar (24th term of the sexagenary cycle, e.g. 1947, 2007, 2067)
己亥 （つちのとい） Earth Boar (36th term of the sexagenary cycle, e.g. 1959, 2019, 2079)
Jinmeiyō kanji, used in names
JLPT level: N1
Stroke count: 6
Meaning: sign of the hog, 9-11PM, twelfth sign of the Chinese zodiac
Kunyomi: い
Onyomi: ガイ カイ
Composition: 亠 人
Radical: 亠
Meaning: lid
亥月 （ガイゲツ） tenth month of the lunar calendar
丁亥 （テイガイ） Fire Boar (24th term of the sexagenary cycle, e.g. 1947, 2007, 2067)
己亥 （ツチノトイ） Earth Boar (36th term of the sexagenary cycle, e.g. 1959, 2019, 2079)
亥 （い） the Boar (twelfth sign of the Chinese zodiac), the Pig, hour of the Boar (around 10pm, 9-11pm, or 10pm to 12 midnight), north-northwest, tenth month of the lunar calendar
亥年 （いどし） year of the Boar, year of the Pig
丁亥 （ていがい） Fire Boar (24th term of the sexagenary cycle, e.g. 1947, 2007, 2067)
己亥 （つちのとい） Earth Boar (36th term of the sexagenary cycle, e.g. 1959, 2019, 2079)