Chinese edit

one; single; a
one; single; a; (before verbs) as soon as, once; (before a noun) entire (family, etc.)
day; sky; heaven
simp. and trad.

Pronunciation edit

Noun edit


  1. one day (twenty-four hours)
  2. the entire daytime of one day
    一天一天  ―  gàn le yītiān  ―  worked for a whole day
  3. someday; one day
    一天一天  ―  zǒng yǒu yītiān  ―  there will be a day (when ...)
  4. (colloquial) the whole day

Synonyms edit

  • (one day): (literary) 一旦 (yīdàn), (literary, or dialectal) 一日 (yīrì)
  • (the whole day):

Derived terms edit

Japanese edit

Kanji in this term
いつ > いっ
Grade: 1
Grade: 1

Noun edit

(いっ)(てん) (itten

  1. the whole sky; firmament