Difference between to be established and to begin in Korean
성립되다·시작되다

성립되다to be established
성립되다 means that something is officially made, agreed on, or becomes valid. It is often used for things like plans, agreements, classes, rules, or contracts. Use it when something is no longer just an idea, but has become real or accepted.

시작되다to begin
시작되다 means "to begin" or "to start." Use it when something begins, like a class, movie, meeting, sale, or trip. It is often used with time words such as "now," "soon," or a specific hour.
The difference
to be established (성립되다) and to begin (시작되다) are nearby Korean vocabulary items learners often meet together. Use “to be established” when 성립되다 means that something is officially made, agreed on, or becomes valid. It is often used for things like plans, agreements, classes, r… Use “to begin” when 시작되다 means "to begin" or "to start." Use it when something begins, like a class, movie, meeting, sale, or trip. It is often used with tim…