一昨昨日(さきおととい)

さきおととい
noun
three days ago
informaltime-general
1. three days ago; the day before the day before yesterday
Refers to the day that is three days prior to today. Less commonly used than おととい (day before yesterday), but understood in everyday speech.
一昨昨日(さきおととい)から熱(ねつ)がある。
I've had a fever since three days ago.
一昨昨日(さきおととい)届(とど)いた荷物(にもつ)をまだ開(あ)けていない。
I still haven't opened the package that arrived three days ago.
一昨昨日(さきおととい)の夜(よる)に友人(ゆうじん)と会(あ)ったばかりなのに、もう懐(なつ)かしい。
Even though I just met my friend three nights ago, I already miss them.

Usage

Part of the Japanese system of relative day names: おととい (2 days ago) → 一昨昨日(さきおととい) (3 days ago). Less formal and less commonly used than simply saying 三日前(みっかまえ). Mostly used in casual conversation.
Some speakers say さきおとつい instead of さきおととい. Both are accepted.

Related words

Related Words

Related: おととい (day before yesterday)
Related: 一昨昨年(いっさくさくねん) (three years ago)
general
Added 2026.3.18 13:24 · Revised 2026.10.4 10:07
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