앞당기다 (apttanggida) means “move up”

More examples

프로젝트 마감을 앞당길까요?peu ro jek teu ma ga meul ap ttang gil kka yo

Should we bring the project deadline forward?

Shifting a planned appointment or schedule to an earlier point in time.

당기다tanggida: Bring a gathering's start time forward.
서두르다seodureuda: Hurry with a task or preparation to avoid being late.

약속이나 일정의 시간을 본래보다 이르게 옮기는 것을 말하는 동사.yak sso gi na il jeong ui si ga neul pol lae bo da i reu ge om gi neun keo seul mal ha neun tong sa

The word joins 앞 (ap, "front") and 당기다 (ttanggida, "to pull"), giving the memorable image of pulling a time to the front.

This verb is useful for schedule changes, but the new time still needs to be confirmed with the other person.