Meaning of 一昨日 in Japanese

Definition of 一昨日

いっさくじつ(issakujitsu) · おとつい(ototsui) · おととい(ototoi) 【一昨日】

おとといきやがれ(ototoikiyagare) 【おととい来やがれ ·一昨日来やがれ】

The exhortation "Don't quote Wikipedia" was included in the Asahi newspaper of yesterday or the day before.

It has been raining since the day before yesterday, but it may clear up this afternoon.

It has been raining on and off since the day before yesterday.

I received your letter the day before yesterday.

一昨日、彼らかれらはそこを出発しゅっぱつしたする。

They left there the day before yesterday.

一昨日、彼かれは学校がっこうを休んだかもしれない。

He may have absented himself from school the day before yesterday.

一昨日、私たちは大阪おおさかに着いたつく。

The day before yesterday we arrived at Osaka.

一昨日、偶然ぐうぜん電車でんしゃの中なかで彼女かのじょと出会った。

I met her by chance on the train the day before yesterday.

「何時いつ帰ってきたのですか」「一昨日です」

"When did you return?" "I came back the day before yesterday."