How do you say "When" in Japanese?

"When" in Japanese is "いつ". This phrase is commonly used in Japan.

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How to Say ‘When’ in Japanese

Q: What does "いつ" mean in English?

"いつ" means "When" in English. Usage tip: [いつ] is “when.” It often appears with particles like [から] (“since”) or [まで] (“until”).

いつ

itsu

[ee-tsu]

💬 Usage Tip: [いつ] is “when.” It often appears with particles like [から] (“since”) or [まで] (“until”).

🇯🇵 In Japan: In repair situations, the first questions are usually timing and scope: when it started, what still works, and what you already tried.

Phrase Breakdown

いつ

itsu

[ee-tsu]

when

Question word for time. Often used with から to ask “since when?”

Example

お湯が出ないのは、いつからですか。

Since when has the hot water not been coming out?

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