What is the difference between "昨日" and "きのう"?

"昨日" means "yesterday" (N5), whereas "きのう" represents "yesterday" (N5).

Kanji Homophone Battle

Pronunciation Trap: "きのう (kinou)"

Same sound, completely different Kanji! Choose the right conceptual writing.

Kanji Option A

きのう (kinou)

N5 / CEFR

Kanji Option B

きのう (kinou)

N5 / CEFR

In Japanese, many words share the exact same pronunciation "きのう (kinou)" but are written with different Kanji, changing the meaning entirely.

昨日 (Level: N5): Translates to "yesterday" and is used when Refers to the day before today. 「さくじつ」はより丁寧な言い方です。.
きのう (Level: N5): Maps to "yesterday" and carries the nuance of Refers to the day before today. Can also be written as 昨日. Often used with past tense verbs..

Mixing these up can easily result in unnatural writing. Look at the bilingual context cards below to master the conceptual boundaries!

Bilingual Context for "昨日"

昨日、友達と映画を見ました。

I watched a movie with my friend yesterday.

Bilingual Context for "きのう"

きのう、映画を見ました。

I watched a movie yesterday.

Which Kanji perfectly fits this blank space?

Which Kanji perfectly fits the blank: " ＿＿＿、友達と映画を見ました。" (Meaning: "I watched a movie with my friend yesterday.")

🎉 Correct Answer!

Correct! "昨日" is used for "yesterday" in the context: "I watched a movie with my friend yesterday.".