제 시간에

on time; at the appointed time

→ 제
phrase Rare #29,312
on time; at the appointed time It is commonly written as 제시간에 when used as an adverb meaning “on time.”
KO: 그는 프로젝트를 제 시간에 끝냈어요.
EN: He finished the project on time.

거의 다 제 시간에 도착했다.

Almost everyone arrived on time.