日

Sun, Day

Level 10

How this kanji evolved

Explore each form from the oldest known stage to today.

The character 日 originated as a pictogram of the sun, depicted in oracle bone script as a circle with a dot or short line inside. Over centuries, it evolved through bronze script and seal script, stylizing into its modern square form with a horizontal stroke. Meaning 'sun' or 'day,' it symbolizes light, time, and celestial energy in Chinese culture, reflecting its foundational role in calendars and daily life. Arrived in Japan: The character 日 arrived in Japan around the 5th century CE, during the period when Chinese writing was introduced via Korea, and it became integral to the Japanese writing system as a kanji, used in words like 'nichi' (日, meaning 'sun' or 'day').

Reading reference

Onyomi (音読み)

ニチジツ

Kunyomi (訓読み)

ひかび

Related Vocabulary

お誕生日おめでとう
happy birthday!
一昨日
day before yesterday
一日
one day, all day (long), the whole day, from morning till night, first day of the month
何日
what day, how many days
嘉日
auspicious day, good day, lucky day, beautiful day
火曜日
Tuesday
記念日
memorial day, commemoration day, anniversary
休日
holiday, day off
近日
soon, in a few days
金曜日
Friday