Japanese particle
Particle までに
Marks a deadline or point by which something happens.
Examples
できるまでに時間がかかりました
三時までに帰ります
Compare
までに marks a deadline by which something happens. まで marks continuing until a point.
Practice in context
Use Study Mode in the J-Accelerate app to highlight までに inside story sentences, then open the word detail popup for the same overview, examples and comparison notes.
Practice in the app