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.” Polite question: [いつですか。] More specific: [次はいつですか。] (“When is the next one?”).

いつ

itsu

[ee-tsoo]

💬 Usage Tip: [いつ] is “when.” Polite question: [いつですか。] More specific: [次はいつですか。] (“When is the next one?”).

🇯🇵 In Japan: Appointments in Japan can be very time-specific (especially hospitals). If you can’t make it, calling ahead is appreciated.

Phrase Breakdown

いつ

itsu

[ee-tsoo]

when

Question word used to ask about timing (appointments, tests, results). Often used politely with ですか.

Example

次の検査はいつですか。

When is the next test?

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