までにJLPTN5Meanings1adverbby; not later than; beforeusually written using kana aloneIndicates a deadline or time limit by which an action must be completed. Used with verbs expressing completion or punctual actions.明日あしたまでにレポートを提てい出しゅつしてください。Please submit the report by tomorrow.5時じまでにここに来きてください。Please come here by 5 o'clock.