A connective ending indicating the point in time until an action or state occurs or continues
When to use
waiting, achieving goals, passage of time
The nuance
Attach -(으)ㄹ 때까지 to the future tense of verbs or adjectives to mean 'until (something happens).' Use '-을 때까지' if the verb stem ends with a consonant, and '-ㄹ 때까지' if it ends with a vowel. It expresses the duration until an action or state continues.
