How to Say ‘Since when?’ in Japanese
いつから？
itsu kara
[ee-tsoo kah-rah]
💬 Usage Tip: [いつから？] means "since when?" because [から] marks the starting point. You'll also see the same pattern with answers like [今朝から] or [昨日から].
Phrase Breakdown
いつ
itsu
[ee-tsoo]
when
いつ asks about time: when something happens or started.
いつから？と先生が聞きました。
The teacher asked, “Since when?”
から
kara
[kah-rah]
from; since
から shows a starting point in time or place.
いつから？今朝からです。
Since when? Since this morning.
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